... for 100-200kg water.2.The industrial circulating water treatment of electric power, chemical industrial, chemical fertilizer,pharmacy ... industrial, metallurgy etc.3.Package sewage treatment of hospital and industrial,4.innocenttreatment of waste water ... )20g /bag8%(sustained release period is 7 days)Innocent treatment bag100g / bag2%Chlorine dioxide power1kg / bag10%Bibasic powerA ...