Nunafey✓TestersAccurate PH Meter, Multifunctional Automatic PH Test Pen, for Hydroponics Swimming Pool$41.99View
INF✓Testers4-in-1 Digital Water Meter IP67, Water Meter for Salinity, TDS, EC, Temperature, Color White/Gray$101.99View
Bestgle⏳TestersBestgle Digital TDS Meter Water Quality TDS ppm Tester for Testing Salt Water Pool Water Purity Monitor$33.99View
Water-ID✓TestersWater ID FTX500-1100 FlexiTester Base Set Chlorine/pH/TA/CYA Combination Meter$154.99View
GAIN EXPRESS✓TestersORP Oxidation-Reduction Potential REDOX 256mV Calibration Solution 30ml$70.99View
Annadue✓Testers2 in 1 Chlorine and PH Meter Swimming Pool Water Quality Tester, 150mm Handle Probe Portable Water Quality Monitor Analyzer for Hydroponics Pool and Aquarium PH Meter$57.99View
SimplexHealth⏳TestersSimplexHealth High Range Peroxide Water Test Strips 0–10000 ppm – 50 Rapid Dip Test Strips for Strong H₂O₂ Solutions, Disinfection, Industrial & Water Treatment Testing$74.99View
ZÄHLER plattform⏳TestersZÄHLER plattform Water Meter Garden Calibrated 2025 Water Meter Made in Germany Garden Water Meter Tap Qn 1.5 BL 110 mm 3/4 Inch$111.99View
DANOPLUS✓TestersPortable Water Quality Analysis Chlorine & PH Meter Swimming Pool Tester Monitoring Analyzer$105.99View
Fafeicy⏳TestersChlorine Tester PC-102B CL2 PH Tester for Water Water Quality Analyzer with Probe for Family Sized Swimming Pool$55.99View
C4Hydro✓TestersColiforms Starter Pack - Test the presence of coliforms in water, including E. Coli - Analyzes the quality of your water. The kit includes 1 reusable incubator and 1 box of single-use consumables.$329.99View
C4Hydro⏳TestersC4Hydro Legionella Starter Pack - Detect Legionella pneumophila in water - Prevent Legionnaire's disease in 48 hours - Analyze the quality of your water.$407.99View
TenYua⏳TestersTenYua TDS Digital Salinity Tester/Meter for Salt Water Pool & Fish/Koi Pond Testing$71.99View
C4Hydro✓TestersLegionella & Coliforms Water Test -1 Starter kit - Detects legionella Bacteria and coliforms (Including E. coli) in Water. Test Your Water in just 24 & 48 hours. Ultra high sensitivity water analyses$379.99View
C4Hydro✓TestersColiforms Water Test - 1 Refill Test - Detect the presence of coliform bacteria (including E. Coli) in water in 24 hours.Single use test requiring C4Hydro Mini-Lab (sold separately)$55.99View
Demeras⏳TestersDigital PH Monitor Checker Water Portable pH Tester Chlorine Meter Swimming Pool Spa Water Quality Monitor Checker$80.99View
Estink⏳TestersHakeeta Water Testing Detector, Analog TDS Sensor with 2 Probes for Quality Monitoring, For Swimming Pool, Drinking Water and Aquaculture, Reaction is Sensitive$40.99View
Estink✓TestersHakeeta Water Testing Detector, 5 in 1 Function Water Quality Testing Meter, PH TDS EC Tester with Backlight, Waterproof, For Aquaculture, Drinking Water, Swimming Pool, Aquarium$72.99View
Haofy✓TestersHaofy Digital LCD Water Quality Testing Pen Portable Water Quality Monitoring Tester Purity Filter TDS Meter 0-9990 PPM Temp Tester (gray)$31.99View
Health Metric⏳TestersHealth Metric Hot Tub and Spa Test Strips for ph Balance & Chlorine - 50 ct - Dip Testing Strip Kit for Swimming Pool Water - 7 Ways Tester$33.99View
