Dr.meter Digital Water pH Meter, 0.01 Resolution High Accuracy PH Testing Pen with Backlit and Data Hold, 0-14pH Measurement Range Water Quality Tester for Hydroponics, Pool, Aquarium, Brewing
Dr.meter
PH & Temperature 2-in-1 Continuous Monitor Meter w/Backlight Replaceable Electrode, Dual Display 0.00~14.00pH °C/ °F Water Quality Monitoring Kit, for Aquariums Hydroponics Pools Tanks Spa
Gain Express
YINMIK Digital pH Meter with Extra Replaceable Probe, Pocket pH Tester for Hydroponics, Accurate Water Tester for Swimming Pool Hot Tub Aquariums Home Wine Brewing
YINMIK
10% off
Smart Water Quality Tester, 6-in-1 WiFi pH Meter Monitor pH/EC/TDS/Salinity/SG/Temperature Tester with Easy Calibration 24Hrs Online APP Monitoring for Hydroponics, Aquariums, Saltwater & Seawater
Landtek