1280 Park Center Dr., Vista, CA 92081
Watkins Manufacturing Corp.
MRAE1XXXXX
MRAE1XXXXX
MRAE1XXXXX
MRAE1XXXXX
Watkins Wellness congratulates you on your decision to enjoy the finest spa available. Welcome to the
®
growing family of Caldera
spa owners.
OWNER’S MANUAL
This Owner’s Manual will acquaint you with the operation and general maintenance of your new spa. We suggest that you
take some time to carefully review all sections. Please keep this manual available for reference.
If you have questions about any aspect of your spa’s set-up, operation or maintenance, contact your authorized CALDERA
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 CALDERA spa.
The serial number/identification label is located within the equipment compartment of your CALDERA spa. The serial
number should also be documented on the delivery receipt from your dealer.
IMPORTANT: Watkins Wellness reserves the right to change specifications, or design, without notification and without
incurring any obligation.
DATE PURCHASED: ___________________________________
DATE INSTALLED: _____________________________________
label will contain different information.
Peel off top sticker and place here.
COVER SERIAL NUMBER: ______________________________
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 of age. Your CALDERA 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 CALDERA dealer can provide information on which permits may be required.
TABLE OF CONTENTS
SAFETY INFORMATION
IMPORTANT SAFETY INSTRUCTIONS .............................. 1
IMPORTANT SPA INSTRUCTIONS ...................................... 3
GETTING STARTED
MAIN SPA FEATURES ........................................................... 4
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, 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.
• The device should not be used by persons (including children) with
reduced physical, sensory or mental capabilities, or lack of experience
and knowledge, unless they receive supervision or training.
DO:
• Make sure you always lock the child resistant locks after using the
spa for your children’s safety. Every CALDERA 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.
equipment, or conduit within 1.5 m (5') of the unit as needed to
comply with local requirements.
• Do not operate the main audio/video button controls on any external
media devices such as a CD or DVD player while inside in the spa.
Operation of integrated audio/video equipment through the spa
control panel or wireless remote is permitted and acceptable.
• Do not connect any auxiliary components (for example, cable
additional speakers, headphones, additional audio components) to
the audio system unless approved by Watkins Wellness .
• 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 National Electric
Code.
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.
• In order to avoid a hazard due to inadvertent resetting of the thermal
cut-out, this appliance must not be supplied through an external
switching device, such as a timer, or connected to a circuit that is
regularly switched on and off by the utility.
• Always test the residual current device (RCD) before each use of the
spa. If the RCD does not perform properly, a ground current is flowing
indication the possibility of electric shock. Disconnect power to the spa
until the fault has been identified and corrected.
• NOTE: Failure to wait 30 seconds before resetting the RCD may
cause the spa’s Power Indicator (on the control panel) to blink. If this
occurs, repeat the RCD test procedure.
• Your spa must be supplied by a residual current device with a tripping
rating not exceeding 30 mA in an electrical subpanel.
DANGER - RISK OF ELECTRICAL SHOCK
• Install spa at least 1.5 m (5') from all metal surfaces. A spa may be
installed within 1.5 m (5') of a metal surface if each metal surface is
permanently connected by a minimum 10 mm
attached to the wire ground connector on the terminal box that is
provided for this purpose.
• Do not permit any electrical appliances, such as a light, telephone,
radio, or television within 1.5 m (5') 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.
2
solid copper conductor
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
10 mm² solid copper bonding conductor between this point and any
metal equipment, metal water pipe, metal enclosures of electrical
Safety Information
Page 1
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 1.5 m (5')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.
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.
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 37°C (98.6°F). 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.
• 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 CALDERA spa are:
• The water in the spa should never exceed 40°C (104°F). Water
temperatures between 36°C and 40°C (97°F and 104°F) 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 36°C (100°F). Failure to do so may result in
permanent injury to your baby.
• Do not use spa immediately following strenuous exercise.
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 CALDERA 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 CALDERA
dealer and request Part #70798.
Free Available Chlorine:
1 - 5 ppm
Water pH:
7.2 - 7.8
• Refer to Water Quality and Maintenance section for complete
instructions.
Total Alkalinity:
40 - 120 ppm
Calcium Hardness:
Standard 75 - 150 ppm
Salt System 25 - 75 ppm
Page 2
Safety Information
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.
DON'T:
• Leave the CALDERA 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 CALDERA dealer.
Many problems can easily be diagnosed over the telephone by an
Authorized Service Technician.
IMPORTANT:
1. The following products are the ONLY approved cleaning agents for
your CALDERA spa shell: plain water, CALDERA FreshWater
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
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 CALDERA 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 Spa Mitt. NEVER
®
Spa
SPA SHELL
Your CALDERA 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.
SAVE THESE INSTRUCTIONS
Safety Information
Page 3
GettInG Started
3
MAIN SPA FEATURES
The illustrated spa may look different than
yours.
1 ) The Maincontrol panel provides a quick
visual check of the spa’s status and allows the
user to set different functions of the spa.
2) The Diverter system lets you divert water to
different combinations of jets simply by turning
the lever.
3) The Air Valve lever lets you dial in the ideal
amount of air for your jets.
4) The Water Feature Lever adjusts the amount
of water that flows from the water feature.
5) The AdaptaSsage™ jet provides a rotating
massage pattern.
6) The AdaptaFlo™ jet allow you to redirect the
jet stream by changing the position of the nozzle.
6
7
18
16
2
9
14
11
10
15
5
17
4
1
12
ADDITIONAL SPA FEATURES
7) The Euro Directional jets, with eyeball
nozzles, deliver a direct, more focused massage.
8) The Euro-Pulse™ (KAUAI model only) jets
feature a special insert that creates a soft,
pulsating, rotary massage.
9) The VersaSsage™ jet may be adjusted to
provide either a stationary, direct stream or, by
positioning the nozzle to one side or the other, a
rotating jet stream.
10) The Euphoria™ jet provides a deep,
powerful,penetrating massage to your thighs,
knees,calves, and feet.
11) FRESHWATER salt system housing cap.
12) Water feature
13) 9 cm Speaker (Optional)
14) Pillow
15) Ozone Jet/Heater Return
16) Suction Screen
17) Grab Rail
18) Filter Compartment Lid
Page 4
Getting Started
HYDRO JETS
ADAPTAFLO Jets - These jets allow you to redirect the jet stream by
changing the position of the nozzle.
ADAPTAFLO Jet
ADAPTASSAGE Jets - These jets provide a rotating massage pattern.
ADAPTASSAGE Jet
The face plates in the ADAPTAFLO jets and the ADAPTASSAGE jets
are interchangeable. To remove a ADAPTASSAGE face plate, turn it
counter-clockwise until it stops turning. Turn the face once more until
you hear a clicking noise, push it in, and then pull it straight off. Install
the face plate by snapping it into place. Additional ADAPTASSAGE
dual-port nozzles are available from your CALDERA dealer.
Both the ADAPTAFLO and ADAPTASSAGE jets allow you to regulate
the force of the massage. Rotate the fascia ring to reduce or increase
the force. Notice that turning off the flow to some jets increases the
flow to the other jets. To avoid damage to your spa’s plumbing and
components, do not turn off more than half of these jets at the same
time.
VERSASSAGE Jets - These jets may be adjusted to provide either a
stationary, direct stream or, by positioning the nozzle to one side or the
other, a rotating jet stream.
The VERSASSAGE jets allow you to regulate the force of the massage.
Rotate the fascia ring counter-clockwise to reduce the force, or
clockwise to increase the force. Notice that turning off the flow to some
jets increases the flow to the other jets. To avoid damage to your spa’s
plumbing and components, do not turn off more than half of these jets at
the same time. For cleaning instructions, see the VERSASSAGE Jets
Maintenance section.
VERSASSAGE Jet
EUPHORIA Jet
(MAKENA, SALINA, SEYCHELLES & REUNION spas only) - The
EUPHORIA jet provides a deep powerful, penetrating massage to your
tired feet, calves, knees and thighs.
EUPHORIA Jet
EURO DIRECTIONAL - The Euro Directional jets, with eyeball nozzles,
deliver a direct, more focused massage.
Euro Directional Jet
EURO-PULSE Jets - The EURO-PULSE jets feature a special insert
that creates a soft, pulsating, rotary massage.
NOTE: Please do not attempt to rotate the jet face on either the Euro
Directional, or EURO-PULSE as these jets do not regulate the force of
the massage.
EURO-PULSE Jet
DIVERTER VALVES
The diverter valves on your spa allow you to direct the flow of water
from the pumps to various combinations of jets. The functions of these
diverter valves can best be learned by experimentation as follows:
Set all air controls to the
“ON” position.
Turn on both pumps.
Turn the handle on
each diverter valve
and see which
groups of jets are
affected. (Note that
you can adjust the
diverter valves to any
position between the two
possible extremes to achieve the jet pressure that feels best to you.)
IMPORTANT: Your spa is not designed to provide full power to all jets
when the diverter valves are in the “mid” position. However, with the
diverter valve in this position, you may increase the power to selected
jets by rotating the face of the ADAPTAFLO and ADAPTASSAGE jets
to close the ones that are not in use.
TIP: Turn both pumps on and place the diverter valves to the “MidPosition”. Then experiment with each of the air controls to see their
effect.
Getting Started
Page 5
WATERFALL VALVE
The SALINA, MAKENA, MARTINIQUE,
SEYCHELLES & REUNION
with a cascading waterfall feature. It is activated by
pressing the "JETS" button and turning the valve
located on the front interior wall counterclockwise.
The flow is regulated by turning the waterfall valve
to the desired position.
spas are equipped
START-UP
Your CALDERA 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.
AIR CONTROLS
Each jet system has its own air
control. These allow you to change
the power of the jets by regulating the
amount of air that is mixed with the
water coming out of the jets.
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
CALDERA dealer or online.
DO:
• Know which water treatment system you will be using and make sure
you have necessary chemicals available. Read all of the instructions
that come with the system.
• Have FRESHWATER 5-way Test Strips Available.
• Have FRESHWATER Salt Test Strips Available if using the Salt system.
• Have pH/Alkalinity Up & Down available.
• Know the "Hardness" of your water, contact your dealer to help you
with this information. See Water Quality and Maintenance for more
information.
IMPORTANT: The spa can be filled with “softened” water as long as
the calcium hardness parameters (pg. 2) are maintained.
• 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 10º C (50º F)! Tripping of the high-limit thermostat may result
causing your spa to stop functioning.
CAUTIONS
• Do NOT fill the spa with hot water, as tripping of the high-limit
thermostat may result.
• DO NOT CONNECT POWER TO AN EMPTY SPA. Power to the
spa automatically activates critical components within the spa, such
as controls, heater, 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.
• DO NOT use your spa after filling until all of the steps listed below are
completed.
• DO NOT add chlorine if treating your spa with polyhexamethylene
biguanide (Biguanide, PHMB, eg. BaquaSpa ®) sanitizer.
• Before filling your spa for the first time, remove the equipment
compartment door and check to ensure that the unions on either side
of the pump(s) and heater are hand-tight.
Door Panel Removal - see inside back cover:
a. Remove the 2 screws on the bottom of each corner.
b. Find notches in bottom of panel, place fingers on one side
and center notch. Slightly pull on bottom side panel to release 1st
clip. Move over to other side and center notch and pull on bottom
to release 2nd clip, then lower and remove panel.
1. CLOSE DRAIN, remove the filter compartment cover, skimmer
basket, weir, and filter. Fill your spa through the filter compartment
using the CLEANSCREEN pre-filter that attaches to your garden
hose. The water level of your spa should be maintained at a level
one inch above the highest jet in the spa. Reinstall the filter and then
the skimmer basket, and weir once the spa is filled.
2. AFTER THE SPA HAS BEEN FILLED with water and the
equipment compartment door is secured, power must be applied
to the spa.
• FIRST activate power to the subpanel from the main house
panel.
• NEXT open the door of the electrical subpanel and reset the RCD
breaker.
• FINALLY, 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 complete the
following steps:
• Press the soft button next to Jet Max to place both jet pumps on
High.
• Once the jet system is fully operational (as indicated by strong,
non-surging jets), priming of the spa is complete
• To turn off the jets, press
home screen
• If you do not feel a steady stream of water from your jets,
refer to the instructions for priming the pump in the SPA
TROUBLESHOOTING section.
IMPORTANT: Be sure that the diverter is in the middle position.
to turn all functions off simultaneously
the soft button next to All Off on the
Page 6
Getting Started
4. SET THE TEMPERATURE CONTROL to the desired temperature
between 38°C (100°F) and 40°C (104°F), then place the spa
cover on the spa and allow the water temperature to stabilize
(approximately 24 hours). Make sure you secure the cover in place
using the cover locks. Periodically check the spa water temperature.
When the water temperature climbs above 32°C (90°F), proceed
to the next step. The spa temperature is pre-programmed to reach
38°C (100°F), and will normally do so within 18 to 24 hours. You may
change the water temperature by pressing the OPTION hard button
then press the soft button next to Temperature, (press soft button
next to on the control panel to raise the temperature, or lower
temperature by pressing soft button next to ▼). After a few hours,
the water temperature will remain within 1.5°C (3°F ) of your selected
temperature.
5. USING A TEST STRIP AND APPLICABLE CHEMICALS adjust
Total Alkalinity (TA) to 80 ppm, Calcium Hardness (CH) between
75 - 150 ppm (if using Salt System between 25 - 75 ppm), then
spa water pH to between 7.4 and 7.8. These procedures are listed in
the “Water Quality and Maintenance” section.
OPERATION NOTE: Adjusting the Total Alkalinity 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.
When using the FRESHWATER Salt system the Calcium Hardness
must be between 25 - 75 ppm, if hardness is above 75 ppm use
VANISHING ACT (see pg. 11).
IMPORTANT: Activate the Clean cycle (Press the soft button next
to CLEAN on the home screen) before adding spa water chemicals
directly into the filter compartment. Make sure all diverter valves are
set to the middle position.
6. SUPERCHLORINATE THE SPA WATER by adding 1½ teaspoons
of FRESHWATER chlorine (sodium dichlor) per 950 liters (250
gallons) of spa water, then activate the Clean cycle.
7. TEST THE SPA WATER FOR CHLORINE RESIDUAL. If the
residual is between 1 and 5 ppm on the test strips, go on to the next
step. If the residual is less than 1 ppm, activate the Clean cycle, and
then retest, add more chlorine as necessary.
WARNING: High sanitizer levels can cause discomfort to the user’s
eyes, lungs and skin. Always allow the sanitizer level to fall to the
recommended range before using the spa.
8. RECHECK the Total Alkalinity (TA) 40 - 120 ppm, Calcium
Hardness (CH) 75 - 150 ppm (25 - 75 ppm with salt), then spa water
pH between 7.2 and 7.8.
OPERATION NOTE: Make sure you adjust your Total Alkalinity and
pH correctly, this will affect
The spa is ready for use when the spa water has circulated and
the chlorine level remains between 1 and 5 ppm.
OPERATION NOTE: For proper water circulation during the ten-minute
Clean cycle the following steps should be performed.
• Place the diverter valve in the middle (split flow) position
• Place air control levers in OFF position by rotating clockwise
the sanitizers effectiveness.
Getting Started
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
balanced 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.
• When using a Salt System, read & refer to seperate owner's manual.
• Use the spa only when the chlorine level is between 1-5 ppm or
manually add chlorine as needed.
• It is the spa owner's responsibility to prevent over or under
chlorination.
IMPORTANT: Remember to change your water every three to four
months. Check with your CALDERA 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
CHEMICAL SAFETY
When using chemicals, read the labels carefully and follow directions
precisely. Though chemicals protect you and your spa when used
correctly, they can be hazardous in concentrated form. Always observe
the following guidelines:
• Allow only a responsible person to handle spa chemicals. Keep them
out of the reach of children.
• Accurately measure the exact quantities specified, never more. Do not
overdose your spa.
• Handle all containers with care. Store in a cool, dry, well ventilated
place.
• Always keep chemical containers closed when not in use. Replace
caps on their proper containers.
• Don't inhale fumes, or allow chemicals to come in contact with your
eyes, nose, or mouth. Wash your hands immediately after use.
• Follow the emergency advice on the product label in case of accidental
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.
• Don't let chemicals get on surrounding surfaces or landscaping. Don't
use a vacuum cleaner to clean up chemical spills.
• 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 must always be added directly
into or in front of the filter compartment while a jet pump is running, and
it must run for a minimum of ten minutes.
PARAMETERTARGETMIN - "OK" RANGE - MAX
pH7.47.27.8
ALKALINITY80 ppm40 ppm120 ppm
HARDNESS100 ppm75 ppm150 ppm
HARDNESS (SALT
SYSTEM)
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 Wellness has developed several
water care systems and products to simplify water care which are
available from authorized CALDERA dealers.
FRESHWATER Salt System
FRESHWATER
FRESHWATER Watercare products
Salt Test StripsFRESHWATER 5-way Test Strips
50 ppm25 ppm75 ppm
Vanishing Act
CLEAN SCREEN Prefilter
™
Calcium Remover
TO ADMINISTER SPA WATER CHEMICALS:
1. Fold back the cover and remove the filter compartment cover.
2. To activate the Clean Cycle, press the soft button next to Clean on
the Home Screen.
3. Carefully measure the recommended amount of chemical and
slowly pour it over the filter basket area. Use care not to splash
chemicals on your hands, in your eyes, on the spa sheet surface, or
on the siding.
4. Replace the filter compartment cover and close the spa cover.
Risk of Drowning: Never leave an open spa unattended!
WARNING: High sanitizer levels can cause discomfort to the user’s
eyes, lungs and skin. Always allow the sanitizer level to fall to the
recommended range before using the spa.
IMPORTANT “SUPER CHLORINATION/NON-CHLORINE SHOCK
TREATMENT” NOTE: After administering a super chlorination treatment
or non-chlorine 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.
Page 8
Water Quality and Maintenance
FUNDAMENTALS OF
WATER MAINTENANCE
• Testing: Test the water weekly or each time the spa is used with
convenient 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 filtration used in CALDERA spas helps keep
water clean by 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
ALKALINE SPA
WATER
(SCALING
ZONE)
balance prevents damage
by holding the pH in a
safe range and preventing
COMFORT
ZONE
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
ACIDIC SPA
WATER
(CORROSIVE
ZONE)
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
75 - 150 ppm. A hardness between 25 - 75 ppm is recommended
with a Salt System. If the CH level is too high, lower it with the
VANISHING ACT calcium remover (pg. 11) 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 pH/Alkalinity Up (sodium
hydrogen carbonate). To lower the TA, use 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
for spa users. A low pH dissipates sanitizer, causes corrosion, and
irritates spa users. A high pH level will neutralize sanitizer, promote
ADD pH
DECREASER
TO LOWER
pH
IDEAL
ADD pH
INCREASER
TO RAISE
pH
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 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 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. 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 - 5 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.
WATKINS WELLNESS recommends the following sanitizers:
• FRESHWATER SALT System
• Concentrated Chlorinating Granules
• Liquid sodium hypochlorite (do not use splashless)
WATKINS WELLNESS also approves the following sanitizers:
• Biguanide
WARNING: 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 WELLNESS.
Water Quality and Maintenance
Page 9
THE CALDERA 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/950 liters (250
gallons)) or shock (4tbs mps/950 liters (250 gallons)) 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.
there 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
FRESHWATER WATER CARE SYSTEM
(OPTIONAL)
The FRESHWATER Salt Sanitizing System converts water and sodium
chloride salt into chlorine sanitizer. The FRESHWATER Salt System 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
between 25 - 75 ppm is recommended to extend the life of the
hardware. Consult the FRESHWATER Salt System manual for additional
instructions.
The Silver Ion purifier 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 granulated sodium dichlor or liquid chlorine
sanitizer. Silver is not compatible with bromine and biguanides. Don't use
a water clarifier. Clarifiers will cause the spa water to become cloudy.
MANUAL CHLORINE (SODIUM DICHLOR)
Watkins Wellness recommends the use of
Chlorinating Granules (sodium dichlor) 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 -5 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.
FRESHWATER Concentrated
Page 10
Water Quality and Maintenance
VANISHING ACT INSTRUCTIONS
MAKENA
SEYCHELLES
SALINA
REUNION
Instructions for Use:
1. After Filling your hot tub, use a test strip to measure the
hardness level of the water. If hardness is above 100 ppm,
use the VANISHING ACT calcium remover to soften the water.
Suggested Hardness Level: between 75 - 150 ppm, (it must
be between 25 - 75 ppm when using the FRESHWATER Salt
System in order to work).
2. Rinse the VANISHING ACT calcium remover with running water
until water runs clear. When placed in the hot tub, slight color
transfer to the water may occur and can be easily resolved with
chlorine.
3. Locate your spa above to determine which jet suction fitting the
VANISHING ACT calcium remover will be placed up over. Use
the circle to determine location.
MARTINIQUE
KAUAI
IMPORTANT:
• Always make sure water is balanced and properly sanitized,
using the EPA approved sanitizer, before entering your hot
tub.
• For maximum effectiveness, ensure that the calcium
remover remains on the suction fitting while the calcium
remover is in use.
• Calcium remover may not be necessary if water hardness is
already in or below the suggested range.
• Multiple calcium removers may be needed if initial water
hardness is above 200 ppm.
a. Press
b. Test the spa water for hardness after jets shut off, which will take
Water Quality and Maintenance
OPTIONS hard button on the Control panel.
• Press the soft button next to Set-Up.
• Press the soft button next to More
• Press the soft button next to Soft Water to start low speed jet
pump for 6 hours.
• Place the VANISHING ACT calcium remover firmly against
the associated jet suction fitting.
around 6 hours.
Page 11
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