HM EC/TDS Hydro Tester

The HM EC/TDS Hydro Tester is an economically priced, reliable EC/TDS meter that is ideal for testing applications such as hydroponics & gardening, pools & spas, aquariums & reef tanks, water ionizers, drinking water and more. Measures electrical conductivity (EC), total dissolved solids (TDS).  Excellent for nutrient testing.