ZEP Calcium, Lime and Rust Stain Remover - 1 qt

Removes rust stains, limescale, hard water stains and calcium deposits. • Mix with water and apply to surfaces with a brush, sponge or cloth, then rinse with clean water • Suited for use on stucco, cement, porcelain, glass, fiberglass and brick - Comes in a 946mL Jug

Great for cleaning tank deicers where hard water is a problem.