Cargill Diamond Crystal Solar Naturals are recommended for use in all water softeners. Made naturally with sun, wind and time, solar salt for water softeners is typically 99.6% pure salt (sodium chloride), making it a natural choice for treating hard water.
Product Features:Solar salt crystals are naturally white and opaqueLow insoluble contentMinimize accumulation of tank residuePackaging made of 50% recycled materialsNational Sanitation Foundation (NSF) certifiedIncludes one 40-lb. bag of diamond crystal solar salt