Ph Testing

Milwaukee Instruments pH 600 pH Tester With 1 Point Manual Calibration

$22.95

$ 10 .99 $10.99

4.4

Digital Combo pH & Temperature Meter, Aquarium Thermometer pH Monitor with Automatic Calibration Function for Fish Tank Hydroponics Aquaculture Laboratory

$36.90

$ 16 .99 $16.99

4.7

EC pH Monitor for Hydroponics, 6 in 1 WiFi pH ppm Tester for hydroponics System Water,Continuous Monitor of pH PPM EC CF Humidity Temp of Indoor DWC Grow System,Hydro Reservoir Tank, Aeroponic Garden

$76.99

$ 34 .99 $34.99

4.6

Soil Moisture Meter for Plants, 8-in-1 Soil pH Meter for Moisture, Light, pH, EC, Fertility, Salt, Temp, Air Humidity, Soil pH Test Kit Great for Garden, Lawn, Farm, Indoor & Outdoor Use

$34.68

$ 14 .99 $14.99

4.7

Hydrogen Water Tester 10 in 1 Resistivity/Fertility/H2/pH/TDS/EC/ORP/S.G/Salt/Temp Meter with ATC pH Meter,0.01 High Accuracy pH Tester Digital,TDS Meter PPM Meter for Drinking,Hydroponics,Pool.

$49.99

$ 24 .99 $24.99

4.4

Tadeto Multifunctional Digital pH Meter for Food, High Precision Garden Soil pH Test Kit with LCD ℃/℉ Display for Plant/Solution, Water and Food pH Tester for Meat, Bread, Cheese,Water, Pool

$59.99

$ 25 .99 $25.99

5.0

AQUSOFT 5-in-1 Digital PH Meter with Voice Function | High Accuracy PH,TDS,EC,Salinity & Temp Pen | Waterproof & Rechargeable PH Meter for Swimming Pools,Aquariums & Hydroponics | Fast Water Tester

$29.99

$ 15 .99 $15.99

4.5

6 in 1 pH PPM H2 EC ORP Temp Water Quality Meter - Digital pH PPM ORP EC Monitor for Hydroponic & Kombucha

$29.99

$ 14 .99 $14.99

4.9

AC Infinity pH Meter PRO Kit, High Precision Digital pH Pen with ±0.01 pH Accuracy and Interchangeable Probe, Nutrient Test pH Meter for Water Hydroponics Plants, Gardening, Aquariums, Swimming Pools

$79.99

$ 38 .99 $38.99

4.9

PH and TDS Meter, 7-in-1 Digital pH Tester for Water, PH/TDS/EC/SG/ORP/Salt/Temp

$39.99

$ 18 .99 $18.99

4.6

Apera Instruments AI311 Premium Series PH60 Waterproof pH Pocket Tester Kit, Replaceable Probe, ±0.01 pH Accuracy, Lcd display

$78.63

$ 37 .99 $37.99

4.3

Bluelab PENSTP pH and Conductivity Starter Pack - Precision Nutrient Solution Management Kit with Temperature Measurement, Waterproof Pens, and Probe Care Kit

$189.99

$ 84 .99 $84.99

4.6

Instruments MW102 PH and Temperature Meter

$149.95

$ 60 .99 $60.99

4.3

pH Meter, Digital PH Tester Pen 3 pH Calibration Powders ±0.01 pH Accuracy Pocket Size, LCD Display for Household Drinking, Pool and Aquarium

$20.59

$ 9 .99 $9.99

4.7

Bluelab PROBPH pH Probe for Water, Replacement Electrode for Meter, Monitor, and Controller with Easy Calibration, Tool for Hydroponic System and Indoor Plant Grow

$89.99

$ 39 .99 $39.99

4.7

Hydrogen Water Tester, YINMIK 2025 Hydrogen Tester, Digital Hydrogen Water ppb/ppm Meter, Dissolved Hydrogen Test Pen, Accurate ORP Tester, 4 in 1 pH H2 ORP Temp Test kit for Hydrogen Water Bottle

$29.99

$ 13 .99 $13.99

5.0

TDS PPM Digital Water Quality Tester | Colloidal TDS Meter | FromBora Water Test Pen | Ideal for Water Testing | PPM Meter

$12.90

$ 5 .99 $5.99

4.3

2025 All-New 4 in 1 Tds Meter Digital Water Tester - Accurate and Reliable TDS EC & Temp(°C,°F) Meter - 0-9990ppm - Professional Testing for Drinking Water, RO/DI System, Aquariums etc

$6.49

$ 2 .99 $2.99

4.9

SHOWER SCRUBBR REFILL

$4.99

$ 1 .99 $1.99

4.8

pH EC Meter for Water Hydroponics PPM and pH Meter for Nutrients Measure pH PPM Conductivity Temperature DWC PH and EC PPM Water Tester for Nutrient Solution EC pH TDS Meter for Water System

$23.99

$ 12 .99 $12.99

4.7

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Ph Testing