pH Testing
Apera Instruments PC60 Premium 5-in-1 Waterproof pH/Conductivity/TDS/Salinity/Temp. Multi-Parameter Pocket Tester, Replaceable Probe
$131.16
View Deals
Apera Instruments PH60 Premium Waterproof pH Pocket Tester, Replaceable Probe, ±0.01 pH Accuracy, -2.00-16.00 pH Range
$79.99
View Deals
Apera Instruments PH60S Premium Food pH Pocket Tester, Swiss Spear Sensor (Replaceable), ±0.01 pH Accuracy, -2.00-16.00 pH Range
$224.08
View Deals
Apera Instruments PH700 Benchtop Lab pH Meter, 0.01 pH Accuracy, 1-3 Points Auto Calibration, 3-in-1 pH/Temp. Electrode
$249.90
View Deals
API Pondcare Master Liquid Test Kit
$32.98
View Deals
Extech PH220-C Waterproof Palm pH Meter with Cabled Electrode
$240.00
View Deals
Oakton 35423-01 Ecotestr Ph. 2+ Pocket Ph. Meter, 1.2" Height, 1.8" Wide, 6.4" Length, 1.2" Height, 1.8" Wide, 6.4" Length
$152.84
Avg. Savings $1.10
Hanna Instruments HI98103 Checker pH Tester with Replaceable Electrode for Plant Germination
$78.76
Avg. Savings $9.51
PH400 Portable pH Meter Kit, 0.01 pH Accuracy, 0-14.00 pH Measuring Range, 3ft Probe, 3-Point Auto Calibration, pre-mixed buffers included
$300.63
View Deals
Wallfire Soil pH Meter, Digital 3-in-1 Soil Test kit for Moisture/Sunlight & pH Testing with Probe Sensor for Home and Garden, Plants, Lawn, Farm, Herbs & Gardening Tools, Indoor/Outdoor Use.
$13.99
View Deals
Oakton Waterproof pH Testr 30 Pocket Tester
$154.94
View Deals
Hach 9531000 Pocket Pro pH Tester
$210.00
View Deals
Sper Scientific 840087 pH Meter
$99.99
View Deals
Milwaukee Instruments PH600AQ Ph Tester With 1 Point Manual Calibration
$34.50
Avg. Savings $6.07
pH DEVELOPMENT KIT FOR ARDUINO, pH PROBE/ SOLUTIONS/ pH CIRCUIT
$164.99
View Deals
Active Air 2-Way Moisture and pH Meter for Household or Outdoor Plants (2 Pack)
$15.65
View Deals
Milwaukee MW 500 Digital ORP Meter
$136.25
Avg. Savings $7.91
PH Meter with Automatic Calibration, 7Pros High Accuracy Pen Type Water Quality Tester, 6 pH Buffer Powder Packets, Best Pocket Size Tool for Testing Alkalinity of Drinking, Pool and Aquarium Water
$32.98
View Deals
Eco-Worthy Digital PH 0-14.0 Measuring Tester (Yellow)
$7.88
Avg. Savings $0.65
Liph Solutions Ultimate pH Balance - 2.0 oz. Alkaline Liquid Silica Mineral Super Concentrate. (Makes 1 gallon of finished product)
$28.99
View Deals
Apera Instruments PH60F Premium pH Pocket Tester with Replaceable Flat Sensor, for Skin, Fabrics, Paper's pH Testing, ±0.01 pH Accuracy, -2.00-16.00 pH Range
$98.02
View Deals
Hanna Instruments HI 98107 pHep pH Tester, with +/-0.1 Accuracy
$48.27
View Deals
Bluelab Combo Meter (pH, Conductivity, and Temperature)
$279.99
Avg. Savings $22.45
[PH Meter], Jellas™ Pocket Size PH Meter / Mini Water Quality Tester for Aquariums,Swimming Pools, PH 0-14.0 Measuring Range, 0.1PH Resolution (Yellow)
$18.70
View Deals
Apera Instruments AI1201 PH60-E Replacement Probe for PH60 Pocket pH Tester
$29.32
View Deals
Extech FL700 Waterproof Pocket Fluoride Tester
$13.96
View Deals
Hach 9532000 Pocket Pro+ Ph. Tester with Replaceable Sensor
$329.00
View Deals
Apera Instruments AI1205 PH60S-E Replacement Probe for PH60S Pocket pH Tester
$113.75
View Deals
Dr.Meter PH100 0.01 Resolution High Accuracy Pocket Size pH Meter with ATC, 0-14pH Measurement Range, White
$29.99
View Deals
EZO ORP Circuit for Arduino (Oxidation-Reduction Potential) - Electrochemical Sensing Circuit - Compatible Microprocessor UART or I2C Protocol - Calibration Required Atlas Scientific ORP probe
$45.99
View Deals
Sper Scientific 850063 LCD Test Tube ATC pH Pen, ±0.1 Measuring Accuracy
$55.11
Avg. Savings $21.78
Homdox Portable TDS Tester Handheld TDS Meter Digital Water Tester +/- 2% High Accuracy 0-9990 ppm
$11.59
View Deals
Horiba LAQUAtwin pH-22 Compact Meter Potable pH Meter
$150.00
View Deals
Digital PH Meter, 0.01 PH High Accuracy Water Quality Tester with 0-14 PH Measurement Range for Household Drinking, Pool and Aquarium Water PH Tester Design with ATC (Orange)
$11.99
View Deals
VANTAKOOL Digital PH Meter, PH Meter 0.01 PH High Accuracy Water Quality Tester 0-14 PH Measurement Range Household Drinking, Pool Aquarium Water PH Tester Design ATC (Blue) (Yellow)
$25.14
View Deals
SinoWare PH Tester Digital PH Tester Water Red
$5.99
View Deals
HM Digital AP-2 MALIDA Water Quality Electrical Conductivity Tester, 0-9999 µS Range, 1 µS Resolution, +/- 2% Readout Accuracy
$7.99
View Deals
Begost Digital PH & Temperature Meter High Accuracy Water Quality Tester with Calibration Function, Clear LCD Display for Household Using, Blue
$12.88
View Deals
Capital One Shopping gets you better offers, automatically applies coupon codes at checkout, and lets you know when prices drop on products you've viewed and purchased.
© 2026 Capital One Shopping
%20Copyright%202023%20Fonticons,%20Inc.%20--%3e%3cpath%20d='M224.1%20141c-63.6%200-114.9%2051.3-114.9%20114.9s51.3%20114.9%20114.9%20114.9S339%20319.5%20339%20255.9%20287.7%20141%20224.1%20141zm0%20189.6c-41.1%200-74.7-33.5-74.7-74.7s33.5-74.7%2074.7-74.7%2074.7%2033.5%2074.7%2074.7-33.6%2074.7-74.7%2074.7zm146.4-194.3c0%2014.9-12%2026.8-26.8%2026.8-14.9%200-26.8-12-26.8-26.8s12-26.8%2026.8-26.8%2026.8%2012%2026.8%2026.8zm76.1%2027.2c-1.7-35.9-9.9-67.7-36.2-93.9-26.2-26.2-58-34.4-93.9-36.2-37-2.1-147.9-2.1-184.9%200-35.8%201.7-67.6%209.9-93.9%2036.1s-34.4%2058-36.2%2093.9c-2.1%2037-2.1%20147.9%200%20184.9%201.7%2035.9%209.9%2067.7%2036.2%2093.9s58%2034.4%2093.9%2036.2c37%202.1%20147.9%202.1%20184.9%200%2035.9-1.7%2067.7-9.9%2093.9-36.2%2026.2-26.2%2034.4-58%2036.2-93.9%202.1-37%202.1-147.8%200-184.8zM398.8%20388c-7.8%2019.6-22.9%2034.7-42.6%2042.6-29.5%2011.7-99.5%209-132.1%209s-102.7%202.6-132.1-9c-19.6-7.8-34.7-22.9-42.6-42.6-11.7-29.5-9-99.5-9-132.1s-2.6-102.7%209-132.1c7.8-19.6%2022.9-34.7%2042.6-42.6%2029.5-11.7%2099.5-9%20132.1-9s102.7-2.6%20132.1%209c19.6%207.8%2034.7%2022.9%2042.6%2042.6%2011.7%2029.5%209%2099.5%209%20132.1s2.7%20102.7-9%20132.1z'/%3e%3c/svg%3e)
© 2026 Capital One Shopping
Capital One Shopping gets you better offers and automatically applies coupon codes at checkout.
Privacy PolicyTerms of ServiceHelp CenterAI InstructionsAdvertise With UsResearchCapital OneSitemap