CleanGrow Watermax Root Zone Optimizing Water Treatment, 1-Gallon Approved and listed for organic growing by OMRI; Can be used in conjunction with fertilizers, pesticides, fungicides and various other agents Water treatment for greenhouse and hydroponic growing Non Toxic; Neutral pH; Increased ORP; Liquid form; HOCL (pH 6.8); Very low TDS; Low ionic strength; Safe for cuttings to flowering plants Prevents, exposes and removes biofilms and other deposits Approved and certified by NSF for potable and water applications