Product Details Aptus SYSTEM-CLEAN is an effective and safe cleaner concentrate for maintaining planting mediums, cultivation surfaces and irrigation components. SYSTEM-CLEAN contains hypochlorous acid which is a weak acid that forms as chlorine dissolves in water.At the instructed dilutions on the label, SYSTEM-CLEAN is safe to use in your feed solution and over your planting medium, as well as on your cultivation surfaces and irrigation components. Dosage Regular Use 2 ml per 1 gallon System and Substrate Clean 5 ml per 1 gallon METRIC With every tank / reservoir 0.25 ml per 1L System flush / clean between cycles 0.5 ml per 1L
