Best pH Testers

Apera Instruments PH60-VS Handheld pH Meter Tester Kit with LabSen 855 ATC pH Electrode for Lab-Grade pH Measurement of Viscous Liquid Samples

Apera Instruments PH60-HF Handheld pH Meter Tester Kit with LabSen 835 ATC pH Electrode for Lab-Grade pH Measurement in Liquids Containing Strong Acid or Hydrofluoric Acid

Apera Instruments PH60-WW Handheld pH Meter Tester Kit with LabSen 335 ATC pH Electrode for Lab-Grade pH Measurement in Wastewater, Suspensions, and Emulsions

Apera Instruments Premium Series PH60S Food pH Meter Tester Kit with Food-Grade Swiss Spear pH Electrode, ±0.01 pH Accuracy, -2.00-16.00 pH Range (AI313)

YAMRON

YAMRON 4-in-1 Soil Moisture Meter Digital Plant Temperature/Soil Moisture/pH Meter/Sunlight Intensity Backlight LCD Display Soil Test Meter for Gardening, Farming and Outdoor Plants

Oakton AO-35614-30 pH 150 Waterproof Portable Meter with SJ All-in-One Electrode

APERA INSTRUMENTS AI209-T Value Series PH20 pH Tester Combo Kit, Including the Maintenance Set, and a CalPod Solution Holder for Easy Calibration

Apera Instruments AI102G GroStar Series GS2 Soil pH Pen Tester Kit for Direct Soil Test and Nutrient Solutions Test with Replaceable Swiss Spear pH Probe, Gen II

Bluelab METCOMPLUS Combo Meter Plus for pH, Temperature, and Conductivity in Water and Soil with Easy Calibration, Digital Nutrient (TDS/PPM) Testing Kit for Hydroponic System & Growing Indoor Plants

Apera Instruments, LLC-AI501 PH700 Benchtop Lab pH Meter, 0.01 pH Accuracy, 1-3 Points Auto Calibration, 3-in-1 pH/Temp. Electrode