Watkins Manufacturing Corporation congratulates you on your decision to enjoy the
finest spa available. Welcome to the growing family of HOT SPRING spa owners.
Before you begin reviewing the manual, please take a moment to register your warranty. Doing so will assist us in contacting you for any
important product notification.
Prior to registering, you will need the serial number that is located within the equipment compartment of your HOT SPRING spa.
To register please go to http:/www.hotspring.com/owners/product-registration or simply scan the QR code below:
FOR YOUR RECORDS
Spa Model/Serial Number:
Date Purchased:
Dealer:
Address:
Cover Serial Number:
Accessory Serial Number:
If you have any questions about any aspect of your spa's set-up, operation or maintenance, contact your authorized HOT SPRING
dealership. They are trained professionals who are familiar with the product as well as new spa ownership concerns. Their expertise will
facilitate the enjoyment of your new HOT SPRING spa.
IMPORTANT: Watkins Manufacturing Corporation reserves the right to change specifications, or design, without notification and without
incurring any obligation.
In most cities and counties, permits will be required for the installation of electrical circuits or the construction of exterior
surfaces (decks and gazebos). In addition, some communities have adopted residential barrier codes which may require
fencing and/or self-closing gates on the property to prevent unsupervised access to a pool (or spa) by children under 5 years
Important!
of age. Your HOT SPRING spa is equipped with a locking cover that meets the ASTM F1346-91 Standard for Safety Covers
and as a result, is usually exempt from most barrier requirements. As a general practice, your local Building Department will
inform you of any applicable barrier requirements at the time a permit is obtained for the installation of an electrical circuit.
Your HOT SPRING dealer can provide information on which permits may be required.
TABLE OF CONTENTS
TABLE OF CONTENTS
SAFETY INFORMATION
IMPORTANT SAFETY INSTRUCTIONS .............................. 1
Extreme caution must be exercised to prevent unauthorized access
by children. To avoid accidents, ensure that children cannot use a spa
unless they are supervised at all times.
WARNING
To reduce the risk of injury, do not permit children to use this spa unless
they are closely supervised at all times.
• To reduce the risk of injury, lower water temperatures are
recommended for young children. Children are especially sensitive to
hot water.
• Extreme caution must be exercised to prevent unauthorized access
by children. To avoid accidents, ensure that children cannot use a spa
unless they are supervised at all times.
DO:
• Make sure you always lock the child resistant locks after using the spa
for your children’s safety. Every HOT SPRING spa is equipped with
a locking cover that meets the ASTM F1346-91 Standard for Safety
Covers.
• Test the water temperature with your hand before allowing children to
enter the spa to be sure that it’s comfortable. Children are especially
sensitive to hot water.
• Remind children that wet surfaces can be very slippery. Make sure
that children are careful when entering or exiting the spa.
DON'T:
• Allow children to climb onto the spa cover.
• Allow children to have unsupervised access to the spa.
AVOIDING THE RISK OF ELECTROCUTION
DANGER - RISK OF ELECTROCUTION
• Connect only to a grounded source.
• Do not bury the power cord. A buried power cord may result in death,
or serious personal injury due to electrocution if direct burial-type cable
is not used, or if improper digging occurs.
• A ground terminal (pressure wire connector) is provided on the control
box inside the unit to permit connection of a minimum No. 8 AWG
(8.4 mm²) solid copper bonding conductor between this point and
any metal equipment, metal water pipe, metal enclosures of electrical
equipment, or conduit within five feet (1.5 m) of the unit as needed to
comply with local requirements.
• Do not operate the audio main controls while inside the spa (if spa is
equipped with an audio component).
• Do not connect any auxiliary components (for example, cable
additional speakers, headphones, additional audio components) to the
audio system unless approved by Watkins Manufacturing Corporation .
• Do not self service audio component by opening spa door as this may
expose dangerous voltage or other risk of injury. Refer all servicing to
qualified service personnel.
• Do not attach an external antennae to a spa audio system unless
installed by a licensed electrician in accordance with Article 810 of the
National Electric Code, ANSI/NFPA 70.
WARNING
• To reduce the risk of electrical shock, replace a damaged cord
immediately. Failure to do so may result in death or serious personal
injury due to electrocution.
• Your spa is provided with a Ground Fault Circuit Interrupter (GFCI)
for user and equipment protection. To ensure proper operation of this
important safety device, test according to the following instructions per
electrical configuration.
• Cord-Connected 115 volt, 20 amp models: The GFCI is located at
the end of the power cord. Before each use, with the unit operating,
push the TEST button. The unit should stop operating and the GFCI
power indicator will go out. Wait 30 seconds and then reset the GFCI
by pushing the RESET button. The GFCI power indicator will turn
on, restoring power to the spa. If the interrupter does not perform in
this manner, there may be an electrical malfunction and with it, the
possibility of an electric shock. Disconnect the power until the problem
has been corrected.
• 230 volt, permanently installed or converted models:
• A ground terminal is provided on the terminal block (TB-1, system
ground terminal) located inside the control box. To reduce the risk
of electric shock, connect this terminal to the grounding terminal
of your electrical service or supply panel with a continuous green,
insulated copper wire. The wire must be equivalent in size to the
circuit conductors supplying the equipment. In addition, a bonding
terminal (pressure wire connector) is provided on the outside of
the control box for bonding to local ground points. To reduce the
risk of electric shock, this connector should be bonded with a No.
8 AWG (8.4 mm²) solid copper wire to any metal ladders, water
pipes, or other metal within 5 feet (1.5 m) of the spa to comply with
local requirements. The means of disconnection must be readily
accessible, but must be installed at least 5 feet (1.5 m) from the
spa.
• Your spa is provided with a suitably rated circuit breaker to open all
ungrounded supply conductors.
• Your spa uses ground fault circuit interrupters in the electrical
subpanel. Before each use of the spa and with the unit operating,
push the TEST button on each breaker. The switch should click
over to the “Trip” position. Wait 30 seconds and reset each GFCI
breaker by switching it completely off and then completely on.
The switch should then stay on. If either of the interrupters does
not perform in this manner, it is an indication of an electrical
malfunction and the possibility of an electric shock. Disconnect the
power until the fault has been identified and corrected.
IMPORTANT: Failure to wait 30 seconds before resetting the GFCI
may cause the spa’s Power Indicator (on the control panel) to blink. If
this occurs, repeat the GFCI test procedure.
Safety Information
Page 1
DANGER - RISK OF ELECTRICAL SHOCK
• Install at least 5 feet (1.5 m) from all metal surfaces. A spa may
be installed within 5 feet of a metal surface if each metal surface is
permanently connected by a minimum No. 8 AWG (8.4 mm²) solid
copper conductor attached to the wire ground connector on the
terminal box that is provided for this purpose if in accordance with
National Electrical Code ANSI/NMFPA70-1993.
• Do not permit any electrical appliances, such as a light, telephone,
radio, or television within 5 feet (1.5 m) of a spa. Failure to maintain
a safe distance may result in death, or serious personal injury due to
electrocution, if the appliance should fall into the spa.
• Install your spa in such a way that drainage is away from the electrical
compartment and from all electrical components.
DO:
• Be sure your spa is connected to the power supply correctly - use a
licensed electrical contractor.
• Disconnect the spa from the power supply before draining the spa or
servicing the electrical components.
• Test the Ground Fault Circuit Interrupter(s) before each use.
• Replace audio components only with identical components (if your spa
is equipped with an audio component).
DON'T:
• Use the spa with the equipment compartment door removed.
• Place electrical appliances within 5 feet (1.5m) of the spa.
• Use an extension cord to connect the spa to its power source. The
cord may not be properly grounded and the connection is a shock
hazard. An extension cord may cause a voltage drop, which will cause
overheating of the jet pump motor and motor damage.
• Attempt to open the electrical control box. There are no user serviceable
parts inside.
RISKS TO AVOID
DANGER - RISK OF INJURY
• To reduce the risk of injury to persons, DO NOT remove suction fittings
(filter standpipes) located in the filter compartment.
• The suction fittings in the spa are sized to match the specific water
flow created by the pump. Never replace a suction fitting with one
rated less than the flow rate marked on the original suction fitting.
• There is a danger of slipping and falling. Remember that wet surfaces
can be very slippery. Take care when entering or exiting the spa.
• Never operate spa if the suction fittings are broken or missing.
• Persons taking medications which induce drowsiness, such as
tranquilizers, antihistamines, or anticoagulants should not use the spa.
HEALTH PROBLEMS AFFECTED BY SPA USE
• Pregnant women should consult a physician before using spa.
• Persons suffering from obesity, or with a medical history of heart
disease, low or high blood pressure, circulatory system problems, or
diabetes should consult a physician before using spa.
UNCLEAN WATER
• Keep the water clean and sanitized with correct chemical care. The
recommended levels for your HOT SPRING spa are:
Free Available Chlorine:
3.0-5.0 ppm
Water pH:
7.2-7.8
• Refer to Water Quality and Maintenance section for complete
instructions.
IMPORTANT: Turn on the jet pump for a least ten minutes after adding
ANY spa water chemicals into the filter compartment.
Clean the filter cartridges monthly to remove debris and mineral buildup
which may affect the performance of the hydromassage jets, limit the
flow, or trip the high limit thermostat, which will turn off the entire spa.
Total Alkalinity:
40-120 ppm
Calcium Hardness:
50-150 ppm
AVOIDING THE RISK OF HYPERTHERMIA
Prolonged immersion in hot water can result in HYPERTHERMIA, a
dangerous condition which occurs when the internal temperature of
the body reaches a level above normal 98.6°F (37°C). The symptoms
of hyperthermia include unawareness of impending hazard, failure to
perceive heat, failure to recognize the need to exit the spa, physical
inability to exit the spa, fetal damage in pregnant women, and
unconsciousness resulting in a danger of drowning.
WARNING
The use of alcohol, drugs, or medication can greatly increase the risk of
fatal hyperthermia in hot tubs and spas.
TO REDUCE THE RISK OF INJURY
• People with infectious diseases should not use the spa.
• Keep any loose articles of clothing, long hair, or hanging jewelry away
from rotating jets or other moving components.
INCREASED SIDE EFFECTS OF MEDICATION
• The use of drugs, alcohol may cause unconsciousness with the
possibility of drowning.
• Persons using medications should consult a physician before using
a spa; some medication may cause a user to become drowsy, while
other medication may affect heart rate, blood pressure, and circulation.
Page 2
• The water in the spa should never exceed 104°F (40°C). Water
temperatures between 100°F and 104°F (36°C and 40°C) are
considered safe for a healthy adult. Lower water temperatures are
recommended for extended use (exceeding ten minutes) and for
young children. Extended use can cause hyperthermia.
• Pregnant or possibly pregnant women should limit spa water
temperatures to 100°F (36°C). Failure to do so may result in
permanent injury to your baby.
• Do not use spa immediately following strenuous exercise.
Safety Information
AVOIDING THE RISK OF SKIN BURNS
• To reduce the risk of injury, before entering a spa the user should
measure the water temperature with an accurate thermometer.
• Test the water with your hand before entering the spa to be sure it’s
comfortable.
SAFETY SIGN
Each HOT SPRING spa is shipped with a SAFETY SIGN in the owner’s
package. The sign, which is required as a condition of Product Listing,
should be permanently installed where it is visible to the users of the
spa. To obtain additional SAFETY SIGNS, contact your HOT SPRING
dealer and request Part #70798.
IMPORTANT
SPA INSTRUCTIONS
The following contains important spa information, and we strongly
encourage you to read and apply them.
DO:
• Use and lock the vinyl cover when the spa is not in use, whether it is
empty or full.
• Follow the Spa Care and Maintenance recommendations stated in this
manual.
• Use only approved accessories and recommended spa chemicals and
cleaners.
SPA SHELL
Your HOT SPRING spa has an acrylic shell. Stains and dirt generally
will not adhere to your spa’s surface. A soft rag should easily remove
most dirt. Most household chemicals are harmful to your spa’s shell
(see below for detailed information on cleaning agents). Always rinse off
any spa shell cleaning agent with fresh water.
IMPORTANT:
1. The following products are the ONLY approved cleaning agents
for your HOT SPRING spa shell: plain water, HOT SPRINGFRESHWATER Spa Shine, Brillianize® or Soft Scrub®. The use of
alcohol or any other household cleaner other than those listed to
clean the spa shell surface is NOT recommended. DO NOT use any
cleaning products containing abrasives or solvents since they may
damage the shell surface, specifically: Simple Green
Spa Mitt. NEVER USE HARSH CHEMICALS! Damage to the shell
by use of harsh chemicals is not covered under the warranty. Always
rinse off any spa shell cleaning agent with fresh water.
2. Iron and copper in the water can stain the spa shell if allowed to go
unchecked. Ask your HOT SPRING dealer about a Stain and Scale
Inhibitor to use if your spa has a high concentration of dissolved
minerals. (Watkins recommends FRESHWATER Stain & Scale
Defense.)
3. Keep all cleaners out of the reach of children and use care when
applying.
®
, Windex® or
DON'T
• Leave the HOT SPRING spa exposed to the sun without water or the
cover in place. Exposure to direct sunlight can cause solar distress of
the shell material.
• Roll or slide the spa on its side. This will damage the siding.
• Lift or drag the vinyl cover by using the cover lock straps; always lift or
carry the cover by using the handles.
• Attempt to open the electrical control box. There are no user
serviceable parts inside. Opening of the control box by the spa owner
will void the warranty. If you have an operational problem, carefully go
through the steps outlined in the Troubleshooting section. If you are
not able to resolve the problem, contact your authorized HOT SPRING
dealer. Many problems can easily be diagnosed over the telephone by
an Authorized Service Technician.
SAVE THESE INSTRUCTIONS
Safety Information
Page 3
GettInG Started
SPA FEATURES
1) Standard LCD Contol Panel. The control panel
is accessible from inside or outside the spa and is
designed for ease of use.
Wireless RemoteContol Panel. The wireless
remote control panel can be removed from the spa
and used as a remote inside or outside the spa.
Available on GRANDEE & ENVOY models only.
2 ) The SmartJet ® system lets you divert water to
different combinations of jets simply by turning the
lever.
3) The Comfort Control
the ideal amount of air for both the Precision
Moto-Massage® DX Jets.
4) The Water Feature lever adjusts the amount
of water that flows from the either one of the two
available water features.
5) The Hydromassage jet with directional nozzle
provides maximum performance.
®
lever lets you dial in
®
and
3
10
9
6
5
17
8
16
12
2
1
14
11
4
7
13
6) The Hydromassage jet with dual port rotary
nozzle provides a V-shaped, pulsating massage.
®
7) The SoothingStream
jet has twelve nozzles
that provides treatment to your shoulders and
upper back.
8) The JetStream
®
jet provides a maximumstrength massage with an invigorating, directional
whirlpool jet.
9) The HydroStream® jet has a strong flow of
water and air which quickly soothes away tension.
10) The PRECISION directional or rotary jet
delivers a therapeutic massage.
11) The MOTO-MASSAGE DX is a moving jet. It
has two warm streams of water sweeping up and
down the entire length of your back.
®
13) The BellaFontana
water feature creates three
arcs of dancing water.
14) Pillow - Most spas come with one or more pillows.
15) Spa Filter provides 100% No-Bypass filtration, all
water passes through the filter before it re-enters the
spa (not illustrated).
16) This is the Heater Return and Spa Drain. Ozone
bubbles from the ozone system can also be seen
coming from the drain.
17) The spa is entertainment-ready for easy speaker
installation. This cap can be removed and replaced
with a speaker.
18) The HOT SPRING logo on the front of the spa
illuminates a blue and green color. These colors
indicate the power and ready status of the spa without
having to open the cover to look at the control panel.
12) The Luminescense® Four-Zone Multi-Color
Lighting system, you can individually control
each zone- underwater, bartop, pillows and water
features. The light shown is used underwater.
Page 4
19) The Docking Station charges the remote control.
It also receives wireless communication from the
remote and can be used to turn the Jets and Lights
On and Off. (GRANDEE & ENVOY Models only)
Getting Started
MOTO-MASSAGE DX JET
The MOTO-MASSAGE DX jet automatically travels up and down in a
sweeping motion, simulating the natural stroking effects of a manual
massage. The intensity of the MOTO-MASSAGE DX jet may be adjusted
by turning the COMFORT CONTROL lever.
The MOTO-MASSAGE DX jet has been factory adjusted to provide
maximum hydromassage, and to achieve full vertical travel with its
COMFORT CONTROL lever in the full air volume position. Should the
MOTO-MASSAGE DX jet not achieve full vertical travel and the problem is not a closed air control valve or clogged filter cartridge, then your HOT
SPRING Service Center should be contacted.
IMPORTANT: A slow or non-moving MOTO-MASSAGE DX jet may
indicate that the filter cartridge pores are obstructed with dirt, body oils,
or calcification. Follow the filter cartridge cleaning procedures in the Spa
Care and Maintenance section of this manual.
HYDROMASSAGE JETS
The Hydromassage jets have two different nozzle options: directional
and dual port rotary. The directional nozzle allows you to aim the water
in the direction that feels best. The dual port rotary nozzle divides the
water flow into two streams, and then spins.
Turn the faceplate to increase and decrease the jet pressure.
ACCESSORY NOTE: Your HOT SPRING dealer stocks hydromassage
jet kits which can easily be installed in your spa to modify your jets from
directional to dual port rotary.
SOOTHINGSTREAM JET
The SOOTHINGSTREAM jet is another unique feature of HOT SPRING
spas. Its outlets are designed to massage the muscles in the upper
back and shoulders, gently and thoroughly. Turn the faceplate clockwise
to increase the jet pressure and counterclockwise to decrease the jet
pressure. Turn the faceplate to increase and decrease the jet pressure.
PRECISION DIRECTIONAL OR ROTARY JETS
PRECISION jets are located above the MOTO-MASSAGE DX jets and
in groups of various sizes. They are designed to perform a soft, soothing
massage on your back, shoulders and calves. Adjust the pressure of the
PRECISION jets using the COMFORT CONTROL lever (located closest
to the PRECISION jets).
Refer to the Jet Menus Section to familiarize yourself with the
SMARTJET system menus for your spa. Please note that the
SMARTJET lever side of the spa is always considered the front when
referring to the locations of the different types of jets and jet systems.
The positions are correct when facing the spa, standing at the
SMARTJET lever.
JETSTREAM JET
The JETSTREAM jet is a large orifice hydromassage jet designed to put
maximum massaging action on a specific area of the body. It is located
in the lower part of the spa to afford optimal access for the massaging
of feet, legs, hips, and lower back. The intensity of the JETSTREAM
jets can be altered (except the ones found in the FootWell® system)
using the COMFORT CONTROL lever. JETSTREAM jets located in
the FOOTWELL are not adjustable. Turn the faceplate to increase and
decrease the jet pressure.
WATER FEATURE
GRANDEE, ENVOY, VANGUARD, ARIA and SOVEREIGN spas are
equipped with a BELLAFONTANA water feature. This water feature can
be turned on or off when the two-speed pump is on low speed (tranquil
mode) or high speed. To function correctly, the water feature on/off lever must
be placed in the full on position only.
If the lever is not in the full on position when the pump is on high speed,
it is likely that the water feature will project water substantially farther out
into the spa as the on/off lever is opened. This is not proper operation.
If this occurs, the pump should be turned off, the water
rotated to the full on position and the pump turned on again.
CAUTION: Partial blockage of water flow at entrance of water feature
will cause the water to flow farther into or over the spa.
HOT SPRING LOGO LIGHT
The HOT SPRING logo on the front of the spa illuminates a blue and
green color. These colors indicate the power and ready status of the spa
without having to open the cover to look at the control panel.
Green Indicator: The GREEN indicator will light when the spa water
temperature is within 2°F (1°C) of the set temperature, and will turn
off when the temperature is outside of that range. If you increase or
decrease the temperature setting of the spa, the ready indicator will turn
off until the water temperature reaches the acceptable range for the
new temperature setting. A flashing GREEN indicator means a problem
may exists with the temperature sensor (see Troubleshooting section for
more information).
Blue Indicator: The BLUE indicator is ‘on’ when the spa is properly
supplied with power. It also provides a diagnostic function–a flashing
BLUE indicator indicates that the heater high limit has tripped, meaning
that either the spa water is above its acceptable temperature range,
or a malfunction has occurred within the spa (such as low circulation
due to clogged filters). An ‘off’ BLUE indicator means that there is a
problem with the spa control box or the power supplied to the spa (see
Troubleshooting section for more information).
QUICK START-UP INSTRUCTIONS
BEFORE YOU FILL YOUR SPA
Make sure your spa has been properly installed per all local codes, this
includes the location of the spa, the foundation of the spa as well as the
electrical installation of the spa. Installation instructions in the form of a
Pre-Delivery Instruction booklet can be obtained from either your HOT SPRING dealer or online at:
www.HotSpring.com/planning-tools/pre-delivery-instructions
DO:
• Know which water treatment system you will be using and make sure
HYDROSTREAM JET
The HYDROSTREAM jet is a mid-size hydromassage jet that delivers a
great massage to the feet, back and shoulder areas. Turn the faceplate to
increase and decrease the jet pressure.
• Have FRESHWATER 5-way Test Strips Available.
• Have pH/Alkalinity Up & Down available.
feature lever
Green indicator - water is ready,
within 2°F of set temperature
Blue indicator - Power to spa is on
you have necessary chemicals available. Read all of the instructions
that come with the system.
Getting Started
Page 5
• Know the "Hardness" of your water, contact your dealer to help you
with this information. See Water Quality and Maintenance for more
information.
IMPORTANT: Watkins Manufacturing Corporation does not
recommend that the spa be filled with “softened” water, as this may
damage the spa’s equipment.
• Purchase the Clean Screen® pre-filter to remove unwanted
contaminants from the tap water. This is recommended, not required.
DON'T:
• Power up the spa until it has been filled with water! Power to the
spa automatically activates critical components within the spa, such
as controls, heater, circulation pump, and other systems. If power
is supplied to these components prior to the spa being filled, the
components will be damaged, and this may result in a non-warranty
component failure.
• Fill the spa with hot water or cold water with cold water temperature
below 50º F (10º C)! Tripping of the high-limit thermostat may result
causing your spa to stop functioning.
DON'T:
• Use your spa after filling until all of the steps listed below START-UP
are completed!
• Add chlorine if treating your spa with polyhexamethylene biguanide
(Biguanide, PHMB, eg. BaquaSpa
®
) sanitizer.
START-UP
Your HOT SPRING spa has been thoroughly tested during the
manufacturing process to ensure reliability and long-term customer
satisfaction. A small amount of water may have remained in the
plumbing after testing and, as a result, may have spotted the spa shell
or the spa siding prior to delivery. Before filling the spa, wipe the spa
shell clean with a soft rag.
The following instructions must be read and followed exactly to ensure
a successful start-up or refill.
1. CLOSE ALL DRAINS AND FILL THE SPA with water through
the filter compartment. Your HOT SPRING spa water level should be
maintained approximately 1½” above the top of the highest jet.
2. AFTER THE SPA HAS BEEN FILLED with water and the
equipment compartment door is secured, power must be applied to
the spa.
• 115 volt models: Connect the GFCI to the waterproof receptacle
and push the RESET button on the GFCI.
• 230 volt models:
your spa is a GRANDEE ,ENVOY, VANGUARD OR ARIA model
reset the 30 amp GFCI breaker first, verify the system is primed,
then reset the 20 amp breaker.
converted PRODIGY or JETSETTER model reset the 20 amp
GFCI breaker first and verify the system is primed (see step 3),
reset the 30 amp breaker. Close and secure the subpanel door.
3. TO CHECK THE OPERATION OF THE JET SYSTEM and to
purge any remaining air from the heating system:
GRANDEE & ENVOY Models:
• Push the JETS icon on the Home Screen.
• Push the double jet icons to run the jet pumps on high speed for
one minute.
• Press the OFF icon (far right) once the jet system is fully operational
(as indicated by strong, non-surging jets), priming of the
complete, to shut the jets off.
• Push the JET MAX soft button to make both jet pumps run on high
speed for one minute.
• Press the ALL OFF soft button once the jet system is full operational
(as indicated by strong, non-surging jets), priming of the
complete, to shut the jets off.
Weak or surging jets are an indication of a low water level condition or
clogged filter cartridges.
IMPORTANT: Be sure the COMFORT CONTROL Levers (see
illustration in Spa Features section) are open by turning each one
clockwise and checking to see that the SMARTJET lever is pointing
in the position.
spa is
4. USING A TEST STRIP AND APPLICABLE CHEMICALS,
adjust Total Alkalinity (TA) to 80 ppm, Calcium Hardness (CH)
to 100 ppm, then spa water pH to between 7.4 and 7.8. These
procedures are listed in the “Water Quality and Maintenance”
section.
IMPORTANT: Always add spa water chemicals directly into the
filter compartment with the jet pump on high speed for at least
ten minutes. Adjusting the Total Alkalinity (TA) as the first step is
important, as out-of-balance TA will affect your ability to adjust the
pH correctly and will prevent the sanitizer from operating effectively.
5. SUPERCHLORINATE THE SPA WATER by adding 1½
teaspoons of chlorine (sodium dichlor) per 250 gallons (950
liters) of spa water. Press the Clean Cycle icon (on home screen)
for GRANDEE & ENVOY models and press the soft button
next to CLEAN (on the home screen) for VANGUARD, arIa, SOVEREIGN, PRODIGY & JETSETTER models to circulate the
spa water for a ten-minute period.
6. DURING THE SUPER-CHLORINATION PERIOD, rotate the
SMARTJET lever(s) through both operating positions, letting the spa water circulate (with jets on) for equal periods of time. The HOT
SPRING spa's SMARTJET levers are designed to operate in the 3
o’clock and 9 o’clock positions.
7. SET THE TEMPERATURE CONTROL, the spa
pre-programmed to reach 100°F (38° C
so within 18 to 24 hours. You may raise or lower the water
temperature by:
GRANDEE & ENVOY Models:
• Press the temperature window in the Home Screen to display
the Set Temperature Screen.
• Pressing the OPTIONS hard button on the control panel.
• Pressing the soft button next to Temperature.
• Pressing the soft button next to TEMP ▲ button on the control
panel to raise the temperature.
• Pressing the soft button next to TEMP ▼ button on the control
panel to lower the temperature.
Place the vinyl cover on the spa and allow the water temperature
to stabilize. Make sure you secure the cover in place using the
cover locks. Periodically check the spa water temperature. When
the water temperature climbs above 90°F (32°C), proceed to the
next step.
To prevent tampering, you can lock your desired temperature
setting. Refer to the Operating section for details.
), and will normally do
is
Page 6
Getting Started
8. ROTATE THE SMARTJET SYSTEM LEVER(S) TO THE
PRIMARY POSITION(3 O’CLOCK)
as described in step 5 to
circulate the spa water. After the clean cycle is complete, test the spa
water for Free Available Chlorine (FAC) residual. If the residual is
between 3 and 5 ppm on the test strips (found in the test kit) go on to
the next step. If the residual is less than 3 ppm, superchlorinate the
spa water by adding 1½ teaspoons of chlorine (sodium dichlor) per
250 gallons
circulate the spa water for another ten-minute period.
(950 liters)
turn on the CLEAN cycle for ten minutes to
of spa water. Activate the clean cycle again to
Activate the clean cycle
9. ROTATE THE SMARTJET SYSTEM LEVER(S) TO 2ND
POSITION
described in step 5 to
the spa water
residual. If the residual is between 3 and 5 ppm on the test strips
(found in the test kit) go on to the next step. If the residual is less
than 3 ppm, superchlorinate the spa water by adding 1½ teaspoons
of chlorine (sodium dichlor) per 250 gallons (950 liters) of spa water.
Then
Activate the clean cycle again to circulate the spa water for
another ten-minute period.
SMARTJET lever(s) operating positions have been tested.
(9 O’CLOCK)
turn on the cycle for ten minutes to circulate
. Test the spa water for Free Available Chlorine (FAC)
Activate the clean cycle as
Repeat this procedure until both
10. RECHECK the Total Alkalinity (TA) at 80 ppm, Calcium Hardness
(CH) at 100 ppm, then spa water pH at between 7.2 and 7.8. using a
FRESHWATER 5-way test strip.
IMPORTANT: Make sure you adjust your Total Alkalinity first, as
an out-of-balance condition will affect your ability to adjust the pH
correctly, and will prevent the sanitizer from operating effectively.
The spa is ready for use when the spa water has circulated
through each SMARTJET lever operating position and the
chlorine level remains between 3 ppm and 5 ppm.
11. TEST WATER WEEKLY OR BEFORE EACH TIME
THE SPA IS USED
G
ettInG Started
EQUIPMENT COMPARTMENT
The illustration below is to be used as a reference
only (your spa may look different). The equipment
compartment is located behind the front panel of the spa
below the control panel.
1
3
6
8
5
4
1
2
7
EQUIPMENT COMPARTMENT
1. Wavemaster® jet pump
2. No-Fault® heater
3. Silent Flo 5000® circulation pump
4. IQ 2020® control box
* This drain may be reversed with other drain depending on your spa, the Main drain will always have a shut-off valve attached.
Getting Started
5. Ozone injector
6. *Main drain (with shut-off valve)
7. *Secondary drain
8. Bonding terminal
Page 7
Water QualItyand
aIntenance
m
BASIC INFORMATION
It’s important to have clean water. Water maintenance is one of the least
understood, yet most important, areas of spa ownership. Your dealer
can guide you through the process of achieving and maintaining perfect
water in your spa, given your local conditions.
IMPORTANT: Water Terminology can be found at the end of this section.
• Always read & refer to the owner's manual for complete information.
• Test your water with a test strip once a week, or each time the spa is
used.
• Add chemicals in frequent small amounts to prevent overdosing the
spa.
• Use the spa only when the chlorine level is between 1-5 ppm or
manually add chlorine as needed.
• When using ACE ® System, read & refer to the ACE owner's manual.
• It is the spa owner's responsibility to prevent over or under
chlorination.
IMPORTANT: Remember to change your water every three to four
months. Spa water that is maintained using the ACE Salt Water Sanitizing
System may last much longer - up to twelve months, with proper care.
Refer to the ACE owner's manual for detailed instructions.
Check with your HOT SPRING dealer to determine if water in your
region has unique qualities - such as high metal or mineral content - that
should be addressed.
Your program will depend on your water’s mineral content, how often
you use your spa, and how many people use it.
WATER QUALITY CHART
PARAMETERTARGETMIN - "OK" RANGE - MAX
pH7.47.27.8
ALKALINITY80 ppm40 ppm120 ppm
HARDNESS100 ppm50 ppm150 ppm
CHLORINE3 ppm1 ppm5 ppm
Maintaining the water quality and the cleanliness of the filters in your spa
is your responsibility. Keeping the spa water balanced prolongs the life
of the spa components and will make the water more comfortable. Your
dealer can guide you through the process of achieving and maintaining
perfect water in your spa, given your local conditions. Your program will
depend on your water’s mineral content, how often you use your spa,
and how many people use it. Watkins Manufacturing Corporation has
developed several water care systems and products to simplify water
care which are available from authorized HOT SPRING dealers.
ACE Salt Water Sanitizing System
HOT SPRING FreshWater
EverFresh
®
System
®
products
Vanishing Act
FRESHWATER 5-way Salt Test Strips
CLEAN SCREEN Prefilter
CHEMICAL SAFETY
When using chemicals, read the labels carefully and follow directions
precisely. Though chemicals protect you and your spa when used
®
Calcium Remover
correctly, they can be hazardous in concentrated form. Always observe
the following guidelines:
• Allow only a responsible person to handle spa chemicals. Keep them
• Accurately measure the exact quantities specified, never more. Do not
• Handle all containers with care. Store in a cool, dry, well ventilated
• Always keep chemical containers closed when not in use. Replace
• Don't inhale fumes, or allow chemicals to come in contact with your
• Follow the emergency advice on the product label in case of accidental
• Don't let chemicals get on surrounding surfaces or landscaping. Don't
• Never smoke around chemicals. Some fumes can be highly flammable.
• Don't store any chemicals in the spa equipment compartment.
HOW TO ADD CHEMICALS
TO THE WATER
IMPORTANT: All spa water chemicals, including granulated dichlor,
MPS, granulated pH increaser or decreaser, granulated total alkalinity
increaser, liquid stain and scale inhibitor, and liquid defoamer must
always be added directly into the filter compartment while the jet pump
is running in its high speed mode, and it must run for a minimum of ten
minutes.
To Administer Spa Water Chemicals:
1. Fold back the cover. Carefully remove and set aside the filter
• Push the CLEAN soft button (on home screen) to turn on the jet pump.
3. Carefully measure the recommended amount of chemical and slowly
4. Replace the filter compartment cover. After ten minutes, the jet pump
IMPORTANT: After administering a super chlorination treatment or nonchlorine shock to your spa, leave the cover open for a minimum of 20
minutes to allow the oxidizer gas to vent. A high concentration of trapped
oxidizer gas which may exist as a result of the shock treatment (not daily
sanitation) may eventually cause discoloration or vinyl degradation to the
bottom of the cover. This type of damage is considered chemical abuse and
is not covered under the terms of the limited warranty.
out of the reach of children.
overdose your spa.
place.
caps on their proper containers.
eyes, nose, or mouth. Wash your hands immediately after use.
contact, or if the chemical is swallowed. Call a doctor or the local
Poison Control Center. If a doctor is needed, take the product container
along with you so that the substance can be identified.
use a vacuum cleaner to clean up chemical spills.
compartment cover.
pour it into the filter compartment. Use care not to splash chemicals
on your hands, in your eyes, on the spa shell surface, or on the spa
cabinet.
will automatically shut off to complete the procedure. Close and secure
the cover.
DANGER: Risk of Drowning: Never leave an open spa unattended!
Page 8
Water Quality and Maintenance
FUNDAMENTALS OF
WATER MAINTENANCE
• Testing: Test the water weekly or each time the spa is used with
convenient FRESHWATER 5-way test strips or more accurate liquid/
tablet reagent test kit per instructions. Critical parameters: sanitizer
level, pH, Calcium Hardness (CH), and Total Alkalinity (TA). Store test
equipment in a dark, cool, dry place to maintain potency.
• Water Filtration: The 100% no by-pass 24 hour filtration used in HOT
SPRING spas provides the best approach to keeping water clean
by constantly circulating sanitizer and removing waste from the spa.
Regularly inspect and clean filters for peak performance.
• Chemical Balance/pH Control: It is important to adjust the primary
water parameters (Total Alkalinity, Calcium hardness, pH) into the
recommended ranges so
that they are stabilized or
balanced. Balance the
water chemistry every time
you fill the spa with new
water and then during the
life of that body of water.
Keeping the water in
balance prevents damage
by holding the pH in a
safe range and preventing
calcium scale formation
on spa equipment. A low
pH can damage metal
components whereas a high
pH can cause high levels of calcium to form scale. Your dealer should
provide a detailed water chemistry orientation soon after your new spa
is filled for the very first time.
• The following three water components must be kept in balance to avoid
damage to the spa. Do balance these components in the order they
are listed here as each will help you balance the next using a minimum
amount of chemicals.
1. Calcium Hardness (CH) – CH is the measure of the amount
of dissolved calcium in the water. Low levels can make the
water corrosive and high levels cause scale formation of spa
components. The recommended CH reading is between
50 - 150 ppm. A hardness of 50 ppm is recommended with
the ACE System. If the CH level is too high, lower it with the
VANISHING ACT calcium remover per instructions. Once in
balance, the CH reading normally remains stable until new water is
added. Great care must be taken when filling the spa from a water
softener to ensure that the calcium remains in balance and avoid
damage to the spa.
2. Total Alkalinity (TA) - TA is a measure of the water’s ability to
resist changes of pH or buffer capacity. A low TA allows the pH
to fluctuate easily. The recommended TA reading is between
40 - 120 ppm. To raise the TA, use FRESHWATER pH/
Alkalinity Up (sodium hydrogen carbonate). To lower the TA, use
FRESHWATER pH/Alkalinity Down (sodium bisulfate). Once the
TA is balanced, it normally remains stable until the next drain/
refill. We recommend you check the TA reading once per month.
Raising/lowering the TA may cause the pH readings to fluctuate
widely. Ignore the pH readings on the test strip while you are
balancing the TA.
3. pH - The pH is the measure of the acidity and alkalinity.
Maintaining the proper pH level will optimize the effectiveness of
the sanitizer, preventing damage to the spa and physical discomfort
ALKALINE SPA
WATER
(SCALING
ZONE)
COMFORT
ZONE
ACIDIC SPA
WATER
(CORROSIVE
ZONE)
ADD pH
DECREASER
TO LOWER
pH
IDEAL
ADD pH
INCREASER
TO RAISE
pH
for spa users. A low pH dissipates sanitizer, causes corrosion,
and irritates spa users. A high pH level will neutralize sanitizer,
promote scaling and cloud water. The recommended pH reading
is between 7.2 - 7.8. To lower the pH level, use FRESHWATER
pH/Alkalinity Down (sodium bisulfate). To raise the pH level, use
FRESHWATER pH/Alkalinity Up (sodium carbonate).
• Water Conditioners: Spa fill water varies from location to location and
user to user, therefore it is important to consult with your dealer for an
appropriate program.
a. VANISHING ACT – High levels of calcium and some minerals
can be removed from the water with the single use VANISHING ACT. High calcium levels can cause scale formation on the spa
equipment and shell.
b. CLEAN SCREEN pre-filter –The CLEAN SCREEN pre-flter
should be used at every fill and top-off to remove contaminants
from the fill water, especially iron, copper, and manganese. Many
water sources including well water contain high concentrations of
minerals that can cause staining of the shell and plastics.
c. Stain and Scale control – For water high in calcium and minerals,
it may be necessary to use an anti-scalant like Stain and Scale
control. As water evaporates from your spa and new water is
added, the amount of dissolved minerals like calcium, copper, iron,
and manganese will increase. (Minimize evaporation by keeping
the cover on the spa whenever possible.) High iron or copper
content in the water may produce green or brown stains on the spa.
d. Foam Inhibitors - Soap is introduced into the spa water from users’
bodies and swimming apparel and can cause the spa water to
foam when the jets are used. Low levels of calcium hardness (soft
water) can increase foaming. Although ozone and ACE can oxidize
soap residual, it may become necessary to add Foam Inhibitors
to suppress the foam. Excessive soap in the water may require a
water change to resolve.
• Oxidizers: Ozone and Monopersulfate (MPS) are oxidizers used to
prevent the buildup of contaminants, maximize sanitizer efficiency,
minimize combined chlorine, and improve water clarity. They are to be
used in conjunction with EPA registered sanitizers. The FRESHWATER
III high output ozone system uses Corona Discharge technology to
produce a high concentration of ozone which is injected into the spa
water 24 hours per day. FRESHWATER Chlorine-Free Oxidizer,
Monopersulfate (MPS) is a granular oxidizing chemical.
• Sanitizers: Maintaining the recommended residual level of an EPA
registered sanitizer at all times will decrease the occurrence of unsafe
bacteria and viruses in your spa water. The recommended Free
Available Chlorine (FAC), the amount of available chlorine sanitizer,
is 3.0-5.0 ppm. A low FAC can allow bacteria and viruses to grow
rapidly in the warm water, and a high FAC can cause discomfort to the
user’s eyes, lungs, and skin. Each sanitizer carries its own instructions
regarding how much to use and when to add it to the spa water.
Consult your dealer for their recommendations and instructions on
proper sanitizing of the spa.
a. ACE Salt Water Sanitizing System
b. EVERFRESH
Water Care System FRESHWATER Concentrated
Chlorinating Granules
c. Sodium Dichloro-s-Triazinetrione (sodium dichlor or chlorine)
d. Brominating Concentrate (one step granular bromine).
e. BaquaSpa® (please consult your BAQUASPA manual for
instructions on the use of this product).
Water Quality and Maintenance
Page 9
IMPORTANT: DO NOT use tri-chlor chlorine, bromo-chloro-dimethylhydantoin (BCDMH), or any type of compressed bromine or chlorine,
acid or any type of sanitizer which is not recommended by Watkins
Manufacturing Corporation.
THE HOT SPRING SPA WATER
MAINTENANCE PROGRAM
FILLING THE SPA WITH WATER
Use the CLEAN SCREEN Pre-filter to remove unwanted contaminants
such as rust, dirt, detergents, and algae from the fill water. Dissolved
metals, copper, iron, and manganese are also removed. Instructions are
included with the CLEAN SCREEN Pre-filter. Always fill the spa through
the filter compartment. Do not fill your spa using water from a swimming
pool as pool
can damage your spa.
ADDING CHEMICALS TO THE WATER
All spa water chemicals, including granulated dichlor, MPS, granulated
pH increaser or decreaser, granulated total alkalinity increaser, liquid
stain and scale inhibitor, and liquid defoamer must always be added
directly into the filter compartment while the jet pump is running in its
high speed mode, and it must run for a minimum of ten minutes with the
cover off. Use the Clean button/feature to ensure that the chemicals are
properly mixed when adding.
BUILDING A SANITIZER ROUTINE
During the first month of ownership, measure the sanitizer residual
daily in order to establish a baseline of sanitizer needed vs. spa usage.
Sanitizer needed is the amount of Free Available Chlorine needed to
accommodate the number of users and their combined usage time. For
example, two spa users for twenty minutes every day creates regular
demand on the sanitizer that is used to determine how much sanitizer
to add in order to maintain the proper residual. If the usage pattern
increases dramatically with invited guests, the amount and frequency of
sanitizer required increases dramatically.
PERFORMING SUPER CHLORINATION/
NON-CHLORINE SHOCK TREATMENT
A weekly or monthly super chlorination (1.5 tsp dichlor/250 gal) or shock
(4tbs mps/250 gal) may be required of your chosen sanitation program.
Increasing chlorine to 5 ppm for 24-48 hours removes excess waste and
chloramines from the water. Sodium dichlor is 6x stronger than MPS
and may be a more appropriate for those users that experience heavy
bather load conditions. Operate all jets and leave the cover open for
a minimum of 20 minutes to allow the oxidizer gas to vent to prevent
damage and discoloration to the cover and pillows after administering
a super chlorination or shock to your spa. This type of damage is
considered chemical abuse and is not covered under the terms of the
limited warranty.
IMPORTANT
ppm before using your spa.
are children present!
chemicals are very different from those used in a spa and
: Always allow the Free Available Chlorine to fall below 5
DANGER: Never leave an open spa unattended, especially if there
ACE SALT WATER SANITIZING SYSTEM
(OPTIONAL)
The ACE Salt Water Sanitizing System converts water and sodium
chloride salt into chlorine sanitizer. The ACE is compatible with
chlorine based systems and chemicals. Although the system is
reduced maintenance, it is not automatic. It is important that the user
regularly tests and balances the water. A calcium hardness of 50 ppm
is recommended to extend the life of the hardware. Consult the ACE
Manual for additional instructions.
EVERFRESH WATER CARE SYSTEM
(OPTIONAL)
The EVERFRESH water care system is comprised of the following
products:
The EVERFRESH system introduces silver ions into the spa water via
erosion of silver infused beads which inhibits bacteria growth. When
combined with MPS, or chlorine, waste is oxidized and removed from
the water. It is important to follow the recommended application and
maintenance programs outlined for each product’s use. If the spa is
being used over an extended period of time, such as a whole afternoon
or evening, additional sanitizer will be needed.
Required: Weekly Super Chlorinate/Shock the spa to reactivate the
silver ion cartridge, allow the release of silver ions, and quickly destroy
any remaining contaminants. Without this weekly shock treatment, the
silver ion cartridge may stop releasing silver ions into the water.
IMPORTANT: Use only Dichlor sanitizer. Silver is not compatible with
bromine and biguanides. Don't use a water clarifier. Clarifiers will cause
the spa water to become cloudy.
Silver Ion purifier
Ag+
MANUAL CHLORINE (SODIUM DICHLOR)
Watkins Manufacturing Corporation recommends the use of
FRESHWATER
for sanitizing the water. Sodium dichlor is preferred because it is totally
soluble, dissolves quickly, and is nearly pH neutral. The recommended
Free Available Chlorine (FAC), the amount of available chlorine sanitize
the spa, 3.0-5.0 ppm.
If the FAC is too low: Increase the FAC by adding granulated sodium
dichlor.
If the FAC is too high: Allow time to pass and the FAC level will
naturally drop over time.
If the spa smells of chlorine: super chlorinate or shock the spa FAC
chlorine does not have an odor whereas combined spent chlorine
(chloramines) has a strong chlorine odor that can be eliminated by
shocking the water.
IMPORTANT: There are several forms of stabilized chlorine available
for use in spas and swimming pools. It is extremely important to choose
one specifically designed for spas. Use of an incorrect product such
as tri-chlor which has a very low pH (2.6) and dissolves too quickly in
hot water, results in extremely high levels of chlorine that WILL cause
damage to your spa. Use of a liquid or compressed bromine/chlorine
or unapproved sanitizer WILL damage your spa and is specifically not
covered under the terms of the limited warranty.
Reduced or no ozone bubbles coming from heater return (clogged
ozone injector) or no ozone, clean the injector:
1. Place 16 ounces of white vinegar into a cup or bucket.
2. Carefully loosen the long tubing attached to the bottom of the
ozonator, located in the equipment compartment.
DANGER: Place the end of the tubing into the vinegar, making
certain that the end of the tubing sits at the bottom of the container.
3. Run the spa until all 16 ounces of the vinegar are gone. This should
allow
an ample flow of vinegar to be run through the injector and clear the
blockage.
4. Reinstall the tubing to the bottom of the ozonator.
Water chemistry damage is not covered by the warranty. The chemical
levels and water quality in the spa are under your direct control.
With proper basic care, the spa will provide many years of hot water
relaxation. If you are unsure about any chemical or its usage in the spa,
contact your Authorized Dealer, or Watkins Manufacturing Corporation.
DO:
• Add all chemicals slowly into the filter compartment with the jet pump
operating for ten minutes.
• Use special care if using baking soda to clean either the interior or
exterior plastic surfaces.
IMPORTANT: Watkins Manufacturing Corporation DOES NOT
recommend the use of any floating chemical dispenser. Damage to the
spa shell or components caused by a floating chemical dispenser is
specifically not covered under the terms of the limited warranty. Floating
dispensers can become trapped in one area and cause over-sanitization
or release large chunks of sanitizer that very quickly chemically burns
the shell and cover.
DON'T:
• Use compressed sanitizers.
• Use a floater type sanitization system as a low or no maintenance
solution to your spa maintenance program.
• Use a sanitizer which is not designed for spas.
• Use swimming pool (muriatic) acid to lower pH.
• Use household bleach (liquid sodium hypochlorite).
• Broadcast or sprinkle the chemicals onto the water surface. This
method may cause chemically-induced spa surface blistering (chemical
abuse).
VACATION WATER CARE
INSTRUCTIONS
If you plan to be away from home, follow these instructions to ensure
that the water quality of your spa is maintained:
SHORT TIME PERIODS (3-5 DAYS):
1. Adjust the pH by following the instructions outlined in the Water Quality
and Maintenance section.
2. Sanitize the water by following the shock procedures also listed in the
Water Quality and Maintenance section.
3. Lock your cover in place using the coverlocks.
4. Upon your return, sanitize the water by following the shock procedures,
and balance the pH.
5. If ACE is installed, please refer to Tips section, vacation or limited use
in the ACE Owner's Manual.
LONG TIME PERIODS (5-14 DAYS):
Prior to leaving:
1. At least one day before you leave, set the temperature to its lowest
level. This setting should represent an approximate water temperature
of 80°F (27°C)
IMPORTANT: Spa water oxidizers such as sodium dichlor (chlorine)
maintain their level of effectiveness substantially longer in warm water
80°F
(27°C)
than in hot water 101°F to 104°F (38°C - 40°C).
2. Adjust the pH as required. Sanitize the water by following the shock
procedures.
Upon your return:
3. Sanitize the water by following the shock procedures. Return the set
temperature to its original setting. The spa water will be safe for you to
use once the Free Available Chlorine residual level has dropped below
5.0 ppm.
IMPORTANT: If you will not be using your spa for an extended period
of time (in excess of 14 days) and an outside maintenance service
(or neighbor) is not available to assist with the water maintenance,
draining or winterizing of the spa is recommended. Spas equipped
with our FRESHWATER III ozone system can extend this to 4 weeks.
The FRESHWATER III ozone system does not guard against possible
freezing damage, however.
SUPPLEMENTAL WATER MAINTENANCE
Proper water sanitation and mineral balance (pH control) are absolutely
essential for a complete spa water maintenance program. Here are two
other popular water additives that are optional:
Mineral Deposit Inhibitors
As water evaporates from your spa and new water is added, the amount
of dissolved minerals will increase. (Minimize evaporation by keeping
the cover on the spa whenever possible.) The spa water may eventually
become “hard” (Calcium Hardness too high) enough to damage the
heater by calcifying its surface. Proper pH control can minimize this.
Normal soap build-up will require water replacement regularly enough
that mineral deposits normally are not a problem.
Occasionally, high iron or copper content in the water may produce
green or brown stains on the spa. A stain and scale inhibitor may help to
reduce these metals.
IMPORTANT: Well water may contain high concentrations of minerals.
The use of a low water volume, extra-fine pore water filter (in-line prefilter such as the CLEAN SCREEN pre-filter) will help to remove many of
the larger particles during the filling of the spa. In-line pre-filters can be
purchased at your local HOT SPRING dealer.
Foam Inhibitors
Spa water requires changing due to the buildup of soap in the water.
Typically, soap will cause the spa water to foam when the jets are used.
Soap is introduced into the spa water from two sources: users’ bodies,
which retain a soap residual after showering, and swimming apparel,
which retains soap after washing.
Foam inhibitors can suppress foam, but cannot remove soap from the
water. Soap is very difficult to remove from the water because soap is
not oxidized by any chemical added to the spa. Only ozone can oxidize
soap.
Water Quality and Maintenance
Page 11
Eventually the soap build-up in the water will be concentrated, resulting
in an unclean feeling on the bather’s skin, which is impossible to remedy.
When this occurs, it’s time to drain and refill the spa. Depending on the
soap input, the water should last about four months before needing to be
drained.
WATER TERMINOLOGY
The following chemical terms are used in this Water Quality and
Maintenance section. Understanding their meaning will help you to
better understand the water maintenance process.
Bromamines: Compounds formed when bromine combines with
nitrogen from body oils, urine, perspiration, etc. Unlike chloramines,
bromamines have no pungent odor, and are effective sanitizers.
Bromine: A halogen sanitizer (in the same chemical family as chlorine).
Bromine is commonly used in stick, tablet, or granular form.
Calcium Hardness: The amount of dissolved calcium in the spa water.
This should be approximately 50 -150 ppm (ACE: 25 – 75 ppm). High
levels of calcium can cause cloudy water and scaling. Low levels can
cause harm to the spa equipment.
Chloramines: Compounds formed when chlorine combines with
nitrogen from body oils, urine, perspiration, etc. Chloramines can cause
eye irritation as well
chloramines are weaker, slower sanitizers.
Chlorine: An efficient sanitizing chemical for spas. Watkins
Manufacturing Corporation recommends the use of sodium dichlor-type
granulated chlorine. This type is preferred because it is totally soluble
and nearly pH neutral.
Chlorine (or Bromine) Residual: The amount of chlorine or bromine
remaining after chlorine or bromine demand has been satisfied. The
residual is, therefore,
kill bacteria, viruses and algae.
Corrosion: The gradual wearing away of metal and plastic spa parts,
usually caused by chemical action. Generally, corrosion is caused by low
pH or by
recommended ranges.
Halogen: Any one of these five elements: fluorine, chlorine, bromine,
iodine, and astatine.
water with levels of TA, CH, pH or sanitizer which are outside the
as having a strong odor. Unlike bromamines,
the amount of sanitizer which is chemically available to
MPS: Monopersulfate is the non-chlorine oxidizer used with the
FRESHWATER
Nitric Acid: The formulation of nitric acid, a highly corrosive chemical,
is a byproduct of the ozone generating process. Nitric acid is produced
in very small quantities and is readily dissolved in the water stream with
ozone.
Oxidizer: The use of an oxidizing chemical is to prevent the buildup of
contaminants, maximize sanitizer efficiency, minimize combined chlorine
and improve water clarity. See MPS and Ozone.
Ozone: Ozone is a powerful oxidizing agent which is produced in
nature and artificially by man. Ozone forms no byproducts, oxidizes
chloramines, and will not alter the water’s pH.
pH: The measure of the spa water’s acidity and alkalinity. The
recommended pH for the spa water is 7.2 to 7.8. Below 7.0 (considered
neutral), the spa water is too acidic and can damage the heating system.
Above 7.8, the water is too
scale formation on the shell and heater.
ppm: The abbreviation of “parts per million”, the standard measurement
of chemical concentration in water. Identical to mg/l (milligrams per liter).
Reagent: A chemical material in liquid, powder, or tablet form for use in
chemical testing.
Sanitizer: Sanitizers are added and maintained at recommended
residuals to protect bathers against pathogenic organisms which can
cause disease and infection in spa water.
Scale: Rough calcium-bearing deposits that can coat spa surfaces,
heaters, plumbing lines, and clog filters. Generally, scaling is caused by
mineral content combined with high pH. Additionally, scale forms more
readily at higher water temperatures.
Super-Chlorination: Also known as “shock treatment.” SuperChlorination is a process of adding significant doses of a quick dissolving
sanitizer (“dichlor” is recommended) to oxidize non-filterable organic
waste and to remove chloramines and bromamines.
Total Alkalinity (TA): The amount of bicarbonates, carbonates, and
hydroxides present in spa water. Proper total alkalinity is important for
pH control. If the TA is too high, the pH is difficult to adjust. If the TA is
too low, the pH will be difficult
range of TA in spa water is 40 to 120 ppm.
silver ion purification system. Not a sanitizer.
Ag+
alkaline and can result in cloudy water, and
to hold at the proper level. The desired
Page 12
Water Quality and Maintenance
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