Swimming Pools & Hot Tubs

Gramigg Digital Pool Water Tester High Accuracy Meter Portable Water Test Meter High Accuracy Detector Analyzers Great instrument for any aquariums, the fishing industry, swimming pools, school laboratories, food & beverages, drinking water Multifunctional detection pen, capable of detecting acidity, conductivity, total solubility of solids, salinity, and... Gramigg Digital Pool Water Tester High Accuracy Meter Portable Water Test Meter High Accuracy Detector Analyzers