
Apera Instruments
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

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

Apera Instruments
13%OFF
APERA INSTRUMENTS AI209-T Value Series PH20 pH Tester Combo Kit, including the Maintenance Set, and a CalPod Solution Holder for Easy Calibration

Bluelab
Bluelab Guardian Monitor Wi-Fi for Real-time pH, Temperature, and Conductivity (TDS) Measurements in Water with Calibration, 3 in 1 Digital Nutrient Meter for Hydroponic Systems and Indoor Plant Grow

Bluelab
Bluelab Combo Meter for pH, Temperature & Conductivity in Water - Easy Calibration, Digital EC/TDS/PPM Tester for Hydroponics & Indoor Plants (METCOM)

Apera Instruments
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

VIVOSUN
VIVOSUN Digital pH and TDS Meter Kits, 0.01pH High Accuracy Pen Type pH Meter ± 2% Readout Accuracy 3-in-1 TDS EC Temperature Meter for Hydroponics, Pool and Aquarium, Black White, UL Certified

Oakton
Oakton AO-35613-22 pH 6+ Handheld Meter with pH Probe

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