... 6.5%, by dissolving 100kg of 65% bleaching powder concentrate in 1000L of water.2. Water isinfection: 1ppm, by dissolving 1.7g of ... disinfectant and bleaching agent,for example,it can whiten cotton,hemp,fibre,puip and starch;it also can sterilize drinking water and swimming ... not be mixed up with organic, acid and reducing agent. Calcium hypochlorite/Swimming pool chemicals/Water treatment chemicals