Single potassium peroxymonosulfate compound salt for sewage treatment proportioning, the first water after the party single potassium peroxymonosulfate compound salt, the back of the package have instructions, a kilogram of single potassium peroxymonosulfate compound salt to 20 kilograms of water into the equipment tank can be. According to the amount of water per day to adjust the metering pump to play out. Hope to adopt!