Suitable for urban water treatment and public spaces to prevent mold, especially for large-scale disinfection in flood disasters and drinking water use, killing various microorganisms and viruses such as bacteria, fungi, E. coli, etc. Disinfection time: 30-60 minutes. Net weight per bag: 500g. Mixing ratio: General infectious source disinfection (1:500). Severe contamination (1:200). After dissolving in water, it can be used for surface cleaning and disinfection of acidic and alkaline substances; suitable for urban water treatment and public spaces to prevent mold, especially for large-scale disinfection in flood disasters and drinking water use, killing various microorganisms and viruses such as bacteria, fungi, E. coli, etc.