
pH Buffers and Indicator Papers
Color-Coded Buffer Capsules
For quick preparation of fresh buffer solutions, these 
color-coded buffer capsules make 100 mL of standard 
buffer solution accurate to within ±0.02 pH. Available 
in three pH ranges,
AVAILABLE FOR FAST DELIVERY!
Model No. Color Value  Price/pkg 
PHA-94* Red pH 4 $48 
PHA-97* Green pH 7 48 
PHA-100* Blue pH 10 48 
Model No. Description Price/pkg
PHA-4710
Each package contains five vials with ten capsules in each.
*
Color-coded buffer sampler 
2 capsules each of 4, 7, 10 pH
Buffer Pack
This color-coded buffer pack has two vials, each 
containing ten capsules of different pH value, four of 
pH 4.0 (red), four of pH 7.0 (green) and two of pH 
10.0 (blue). All values are accurate to within ±0.02 pH.
Model No. Description Price/set 
PHA-85 Two vial set $32
$24
Buffers
PHA-100 buffer capsules, pH 10, $48.
PHA-90 indicator
papers, $18.
PHA-94 buffer capsules, pH 4, $48.
Jumbo pH Indicator Paper Dispenser 
13 mm (
1
") tape
⁄
2
The dispenser contains one 15 m (50') roll of pH 
paper and a color comparison chart; measures pH 
from 0 to 13 in 1 pH unit increments.
Model No. Description Price
PHA-90
Ordering Examples: PHA-94, 5 vials of 10 each red 
capsules for pH 4 buffer solution, $48. 
PHA-90, jumbo dispenser 50' of 
Water Quality Test Strips
pH and Total Alkalinity
Jumbo pH paper dispenser 
13 mm (
1
") tape
⁄
2
1
" pH paper, $18.
⁄
2
$18
To View Our 
Full Line of Water 
Test Strips Visit 
omega.com/
wts_series
pH is a natural part of water chemistry. pH Check test 
strips are designed to offer highly accurate results with 
minimal cost. For a more comprehensive test try the 
combination pH/total Alkalinity test strips.
AVAILABLE FOR FAST DELIVERY!
To Order (Specify Model Number)
Model No. Price Description Detection Levels PPM (mg/L) 
WTS-480104 $10 pH check, 2, 3, 4, 5, 6, 6.5, 7, 7.5, 8.5, 9, 
WTS-481104 10 pH check,  pH: 2 to 11
WTS-480005 11 pH/total  pH: 6, 6.5, 7, 7.5, 8.5, 9 
Ordering Examples: WTS-480104, 30 packets of 18 each pH test strips, $10. 
WTS-480005, bottle of 50 pH/total alkalinity test strips, $11.
30 pkts of 18 9.5, 10, 11, 12
bottle of 50
alkalinity,  TA: 0, 80, 120, 180, 240, 
bottle of 50 360 PPM
PHA-85 buffer 
pack, $32.
PHA-97 buffer capsules, pH 7, $48.
WTS-480104 
water test 
strips, $10.
C-15
Our pH Field and Lab Electrodes product line continues 
to expand, visit omega.com for new details!
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& Service
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