Jelmar CL-4PRO 128 Oz. Bottle, 4 per Carton, Calcium, Lime and Rust Remover

Blast calcium deposits, dissolve lime scale and zap rust stains Dissolves calcium, lime and rust buildup. Works on glassware, tile, coffee pots, humidifiers, toilets, sinks, porcelain, chrome, brick and metal Nontoxic and biodegradable Fulfills the EPA's Df E designation for safer chemistry USDA Certified Biobased.