Water Quality Products

TDS-240 3-in-1 pH / TDS / Temperature Meter Combo Water Quality Tester Digital Pen-Type with ATC 0.00~14.00pH 0~1999mg/L(ppm) for Laboratories, Hydroponics, Aquariums, Pool, Spa

PH-014 Pocket Size 0.0-14.0 pH Meter, Digital Water Quality Tester Pen Type ATC ±0.1pH Measurement, Portable Kit for Household Drinking Water, Swimming Pools, Aquariums, Hydroponics

WQM-241 pH / EC / Temperature Meter ATC 3 in 1 Waterproof Pen Type Water Quality Combo Multi-Parameter Tester Monitor Analyzer Acidometer , Test Kit for Aquariums Hydroponics Pool Spa Drinking Purity

WQM-242 5-in-1 Water Quality Multi-parameter PH EC CF TDS (ppm) Temperature Test Meter Backlight, Wall-mountable Rechargeable Continuous Monitor Tester, Aquariums Hydroponics Pool Fish Tank Pond Drinking

837-2 Salinity & Temp Meter Pen Type Salt Water Quality Tester ATC NaCl, 9999 ppm / 100.0ppt/ 10% / 0.95-1.08 SG Measurement Units 3-in-1 Checker for Saltwater Aquarium Pond Food Pool Cooking Seawater

PHC-244 2 in 1 Digital pH & ORP Redox Controller with Separate Relays Replaceable Electrode BNC Type Probe Water Quality Monitor Tester for Aquarium Hydroponics Tank 14.00pH / 1999mV with Calibration Solution

ORP-235 pH mV ORP Temperature 3 in 1 Redox Meter, Removable Electrode Portable Water Quality Tester Thermometer Analysis for Hydroponic Aquarium Fish Tank

PHM-234 3-in-1 pH, EC & TDS Conductivity Monitor ATC w/ 3.5" Large Dual Display, Water Quality Meter Tester for Aquaculture, Aquarium, Pond, Hydroponics

PHM-233 6 in 1 Professional Multi-parameter pH/ ORP/ EC/ CF/ TDS PPM/ Temperature Combo Testing Meter, Digital Multi-function Water Quality Monitor Tester

TDS-232 Digital Combo pH & TDS Monitor Meter Tester ATC, 0.00~14.00pH & 0.0~199.9ppt Rechargeable Water Quality Real-time Monitoring, for Aquaculture, Salinity, Aquarium, Pond, Hydroponics

PHM-230 Digital Online pH & Temperature Continuous Monitor Meter, Water Quality Monitoring Tester for Aquarium Swimming Pool Tank Hydroponic Pond Spa

PHM-229 Digital Aquarium pH Monitor Meter Tester with Replaceable Electrode, Continuous Monitoring Fish Tank, Aquaculture and Hydroponics

ECM-231 Online PH & EC Conductivity Monitor Meter Tester ATC, Water Quality Real-time Continuous Monitoring, Rechargeable, for Aquaculture, Aquarium, Pond, Hydroponics

ECM-227 Digital LCD EC Conductivity Meter Tester 0~19.99ms/cm Pen Type with Backlight, Hydroponics, Aquaculture, Water Systems

PHM-226 3-in-1 pH Temperature Conductivity EC Meter Tester Digital Pen-Type 19.99 mS/cm, Aquarium, Tank, Swimming Pool, Lab, Spa

PHM-237 Economical pH Pocket Meter Tester Size with Clip, High Accuracy Removable Probe Electrode, Laboratory, School, Aquarium

PHM-224 PH ORP Temperature 3-in-1 Combo Meter Tester Pen Type with Automatic Temperature Compensation

ORP-228 ORP Redox Meter Tester -1999~1999mV, 1-point Calibration, Oxidation Reduction Potential, Aquariums, Swimming Pools, Water Treatment Systems, Aquaculture, Spa

PH-035 Waterproof Digital pH and Temperature Meter °C / °F 0.00~14.00 pH Range with 2-Liner Display

PHM-205 3 in 1 pH / EC / Temperature Waterproof Meter Monitor Water Quality Tester Pen Type Acidometer Drink Water Quality Analyzer Multi-Parameter