10 bestPh Testersof November 2025
112M consumers helped this year.
1

6-in-1 Waterproof pH/ORP/TDS/EC (Conductivity)/Salinity/Temp Meter Pocket Size Multi-Parameter Water Quality Tester Kit Replaceable ORP Probe
GAIN EXPRESS

9.9
6% off
2

GuDoQi PH Meter, TDS Meter Combo, Pool Water Test Kit, PH Tester Digital, PPM Meter, 0.01 Resolution TDS PH EC Temperature 4 in 1 Set for Drinking Water, Hydroponics, RO System, Aquarium, Swimming
GuDoQi

9.8
3

General Hydroponics PH Test Indicator, 8-Ounce
General Hydroponics

9.6
4

Bluelab PENSOILPH Soil pH Pen and Digital Meter for Soil, Water, Coco, and Rockwool with Easy Calibration, pH Test Kit for Hydroponic System and Indoor Plant Grow
bluelab

9.4
5

GuDoQi Digital PH Meter, 5 in 1 Water Quality Tester with Backlight, PH/TDS/EC/Salinity/Temp Meter with ATC, 0.01 Resolution High Accuracy Pen Type Tester, for Aquarium, Spas, Drinking Water
GuDoQi

9.1
OtherUp to 6% off
6

Apera Instruments AI3713 PH60S-Z Smart Spear pH Tester for Food and Solid Sampling pH Measurement
Apera Instruments

8.9
7

PH Meter, TDS PPM Meter, Soil PH Tester, PH/EC Digital Kit, 3 Pack
Extenuating Threads

8.7
8

Apera Instruments AI223 SX620 pH Pen Tester Kit with 0.01 pH Accuracy, 3-Point Auto. Calibration ATC 60 Degree C, Plastic; Glass
Apera Instruments

8.4
9

General Hydroponics PH Test Kit, 1-Ounce
General Hydroponics

8.1
10

YINMIK PH Meter, Digital 4 in 1 PH EC TDS Temp Meter for Water Hydroponics, Waterproof DWC PH and EC PPM Water Tester with Backlit for Nutrients Growing, Indoor Plants, Home Brewing, Pool, Aquarium
YINMIK

7.9
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