Easy Care Beautec Ultimate Scale & Stain Preventer, 64 fl oz

This product prevents and removes scale, stains, and scum from pool surfaces and equipment, including salt cells, and controls calcium and sequesters metals.

• The description claims that the product can remove calcium films and waterline buildup.
• The description claims that the product can control calcium up to 1,000 ppm and hard silicates up to 300 ppm.
• The description claims that the product can strongly sequester iron, copper, and manganese metals.