HTH Pool Care 1 Qt. Liquid Metal, Stain & Scale Control

Minerals from source water, pool equipment, and water maintenance products like algaecides can cause stains, pool scale buildup, and cloudy water. The powerful action in HTH metal, stain and scale control helps dissolve and remove fresh metal and copper stains, prevents mineral deposits and pool scale from forming on surfaces and equipment and keeps your water crystal clear. This product is great for all swimming pools including vinyl-lined and salt water systems.