Best pH Meters

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

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

Apera Instruments PC60 Premium 5-in-1 Waterproof pH/Conductivity/TDS/Salinity/Temp. Multi-Parameter Pocket Tester, Replaceable Probe

[Upgraded] Soil Moisture Meter, 4-in-1 Soil pH Tester, Soil Moisture/Light/Nutrients/pH Meter for Gardening, Lawn, Farming, Indoor & Outdoor Plants Use, No Batteries Required

Apera Instruments PH700 Benchtop Lab pH Meter, 0.01 pH Accuracy, 1-3 Points Auto Calibration, 3-in-1 pH/Temp. Electrode

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

Bluelab METCOMPLUS Combo Meter Plus for pH, Temperature, and Conductivity in Water and Soil with Easy Calibration, Digital Nutrient (TDS) Testing Kit for Hydroponic System and Indoor Plant Grow

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

Extech EC500 Waterproof ExStik II pH/Conductivity Meter

Apera AI209-T PH20 Value pH Tester Combo Kit with 8oz Calibration buffers (4,7,10), 4oz 3M KCL Storage Solution, Probe Cleaning Brush & CalBox