The McGrayel EasyCare BeauTec Salt Cell and Tile Cleaner 64-oz 22064 aggressively prevents scale, stain and scum buildup in your pools. It provides unsurpassed surface protection against all stains and mineral scales. Beautec is the only product that prevents both calcium and hard silica scales and works extremely well in a pool with salt chlorine generators. It is a salt cell descaler and a protector that prolongs cell life span. Contains no phosphates, phosphonates or acids, and controls calcium up to 1,000 ppm and hard silicates up to 300 ppm. It also strongly sequesters iron, copper, and manganese metals and effectively removes calcium films, calcium phosphate, and waterline buildup. This product comes in a 64-ounce bottle.