Model: Low Odor Specification: Effective Chlorine 480-540mg/Tablet, 50Tablets/Bottle Main Ingredient: Sodium Dichloroisocyanurate(SDIC) Function and Effect: rapidly kill and extinguishes the coli, disease bacillus, fungus gemma and all kinds of microorganism. It is broad spectrum, highly effective, non-toxic, low irritating quality. Effervesces and fast dissolves. Its nature is stable; measurement is accurate, operation simple. Application scope: The well, the river, the pond etc Drinking water disinfection. The field work, the flooding disaster area, tap water disinfection and so on.