It Works Glass Cleaner has been designed to remove even the toughest hard water stains from windows, showers doors, tile, porcelain, chrome, stainless steel fixtures, fiberglass, crystal and other hard surfaces. Also removes rust stains and black marks from sinks, tub, counters and other hard surfaces.
It Works is biodegradable and does not contain harsh, toxic chemicals found in other products, although it does contain sulfamic acid.
Not recommended for use on marble, travertine, clear plastics or painted surfaces.
Directions: *Rinse surface to be cleaned with clear water to remove any dust or stucco. *Pour It Works onto a wet white scotchbrite or 000 steel wool pad. *Rub in a circular motion until surface feels smooth *Rinse with clear water and if necessary repeat. *For a deeply ingrained stain, use less water, concentrate efforts in a small area until stain is completely removed.