CLR PRO CL4PRO Calcium, Lime and Rust Remover, 1 gal Bottle, 4/Carton

Sold as 4/CT. Dissolves the hardest of calcium, lime and rust buildup. Blasts calcium deposits from glassware, tile, tea and coffee pots. Dissolves lime scale from coffee pots, humidifiers, tubs, toilets and sinks. Safe on all plumbing such as copper and plastic PVC.