Appearance:White crystal powder Effective chlorine:70%min Drying loss:0.5%max Usage:It is mainly used as disinfectant and algae killer,killing germ,fungus,virus,algae,liver inflame virus etc,with high stabilization,high content,bland and light odor,slow release,widely used:1 Sterlization for swimming pool and tap water.2 Sterlization for aquaculture.3 Sterlization for industrial water.4 Sterlization for environment of hotel,hospital and other public places.