Water Quality Products – pH Meter / Monitor

WQM-341 Water Quality Tester pH / EC / TDS / Salinity / SG / Temperature with 24Hrs Online APP Monitoring for Fish Tank Aquariums Home Laboratory Smart Instrument

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

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

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

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

M0199720 6-in-1 Water Tester Combo Pen pH, ORP, EC, TDS, Salinity, & Temperature

PHT-027 7-in-1 Meter Tester ORP , PH, CF, EC, TDS (PPM) °F °C

868-5 Waterproof pH meter with Temperature + Auto Calibration

868-1 0.0-14.0 pH & Temperature Meter ATC Dual Display, Portable Digital Pen-Type Tester, IP67 Waterproof Dustproof, for Hydroponics Aquariums Drinking Water Quality Control Testing

PH-025WO Digital pH Monitor Meter ATC 0.00~14.00pH w/ 1.5M Long Cable Electrode Probe, Water Quality Monitoring Tester Kit Aquarium Hydroponics Spa Tank Pool Laboratories Mini Portable

PH-025 Digital pH Monitor Meter ATC 0.00~14.00pH w/ Power Adaptor & 1.5M Long Electrode Probe, Continuous Water Quality Monitoring Tester Kit Aquarium Hydroponics Spa Tank Pool Laboratories Portable

PH-0131 Digital pH / ORP mV / Temperature Meter Water Quality Tester with ATC Replaceable pH ORP Electrode Detachable Temperature Probe for Aquarium, Laboratory Test, Hydroponics Water Testing Tool

PH-0093 Digital Pen-type pH Meter Tester Thermometer Temperature 0.00-14.00 pH range

869-0 Professional pH Temperature Meter Tester °C /°F ±0.05pH High Accuracy Portable Water Quality Device

868-9 Waterproof Digital pH Meter Tester Thermometer °C °F Replaceable Electrode Pentype Design