WHOLESALE THE WORKS RUST LIME & CALCIUM REMOVER Great for removing tough hard water stains from many surfaces. Instantly removes rust and mineral deposits from dishwashers, washing machines, humidifiers, pots and pans, coffee makers, shower heads, cement, brick, vinyl siding, fiberglass, PVC, lawn furniture and more. Removes stains on contact. Made in the USA. Net wt 13.5oz.