Topteng 5In1 PH/TDS/EC/Salinity/Temperature Digital Water Quality Tester Meter Test Tool | 2 H x 9.6 W x 4 D in | Wayfair H090-A001~003WF

iSpring Digital Water Test Meter Kit with Temperature Calibration

A TDS meter (aka ppm pen, nutrient tester, TDS stick) is a convenient digital tool to instantly check your overall water quality. TDS stands for Total Dissolved Solids, which is any salt, metal or mineral in the water. ... more

Artudatech Multifunctional Water Quality Tester | 2 H x 9.6 W x 4 D in | Wayfair H090-A001

Navy:Digital pH tester has the functions of monitoring TDS, pH, salinity, EC meter and temperature measurement. 1.TDS measurement range: 0-1000ppm, 1000ppm -10000ppm, 10.1-200.0 PPT. 2.EC measurement range: 0-10000uS/cm, 10.01-19.99ms, 20.1-400mS/CM.... ... more

Artudatech Multifunctional Water Quality Tester | 2 H x 9.6 W x 4 D in | Wayfair H090-A004

Navy:Digital pH tester has the functions of monitoring TDS, pH, salinity, EC meter and temperature measurement. 1.TDS measurement range: 0-1000ppm, 1000ppm -10000ppm, 10.1-200.0 PPT. 2.EC measurement range: 0-10000uS/cm, 10.01-19.99ms, 20.1-400mS/CM.... ... more

Artudatech Multifunctional Water Quality Tester | 2 H x 9.6 W x 4 D in | Wayfair H090-A003

Navy:Digital pH tester has the functions of monitoring TDS, pH, salinity, EC meter and temperature measurement. 1.TDS measurement range: 0-1000ppm, 1000ppm -10000ppm, 10.1-200.0 PPT. 2.EC measurement range: 0-10000uS/cm, 10.01-19.99ms, 20.1-400mS/CM.... ... more

Bruce&Shark Water Quality Tester Pen Accessory Type | 2 H x 9.6 W x 4 D in | Wayfair H090-A004~002WF

This is a new multi-functional water quality test instrument, which can measure pH, TDS, EC, salinity value, and temperature. The measurement range is large and wide, which can measure Home water salinity and sea salt. It is a waterproof water quality... ... more

Bruce&Shark Water Quality Tester Pen Accessory Type | 2 H x 9.6 W x 4 D in | Wayfair H090-A003~002WF

This is a new multi-functional water quality test instrument, which can measure pH, TDS, EC, salinity value, and temperature. The measurement range is large and wide, which can measure Home water salinity and sea salt. It is a waterproof water quality... ... more

Bruce&Shark Water Quality Tester Pen Accessory Type | 2 H x 9.6 W x 4 D in | Wayfair H090-A001~002WF

This is a new multi-functional water quality test instrument, which can measure pH, TDS, EC, salinity value, and temperature. The measurement range is large and wide, which can measure Home water salinity and sea salt. It is a waterproof water quality... ... more

Bruce&Shark Water Quality Tester Pen Accessory Type | 2 H x 9.6 W x 4 D in | Wayfair H090-A001~002WF

This is a new multi-functional water quality test instrument, which can measure pH, TDS, EC, salinity value, and temperature. The measurement range is large and wide, which can measure Home water salinity and sea salt. It is a waterproof water quality... ... more

Artudatech Water Quality Meter Filtration System | 2 H x 9.6 W x 4 D in | Wayfair H090-A005

It is a multifunctional water quality pen product that can measure pH, ORP oxidation reduction potential, H2 enrichment, and temperature. It is a water-proof water quality test pen with four functions. It has high performance, pen-shaped design, fast... ... more