HM Digital COM-80 EC/TDS/Temp Waterproof Hydro Tester water-pumps-&-irrigation-supplies and our long-lasting wetting agent

and our long-lasting wetting agent

non-circling root systems horizontally and vertically at all phases of production to equip plants for transplanting success

Safer Brand Insect Killing Soap is highly preferable to chemical pesticides

Calcium Gluconate

Highly recommended

HM Digital COM-80 EC/TDS/Temp Waterproof Hydro Tester water-pumps-&-irrigation-supplies and our long-lasting wetting agentThe COM 80 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 hydroponic nutrient testing. Four scales: EC: S, mS; TDS: ppm, ppt Automatic Temperature Compensation (ATC) Water resistant Measurement Range: 0 9990 S; 0 5000