HM Digital® Com-80s hydro-logic The probe surface is where

The probe surface is where the instrument takes the reading of the solution or soil/media

phosphorous plays a role in both root and bloom development

carefully formulated to initiate and nourish new root cells in plants

The Gavita Pro 1700e LED fixture and Gavita E-Series LED Adapter are FCC compliant

the pH content of your nutrients should be slightly acidic

HM Digital® Com-80s hydro-logic The probe surface is whereThe 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.