Extremely adaptable and has been used successfully in the following applications: Clean ceramic tile floors which have white stains due to calcium migration, Clean and restore grouting on ceramic, terrazzo and quarry tile flooring as well as vertical surfaces in washrooms and showers, removal of body films as well as calcium and lime build-ups in shower areas, Removal of ferrite manganite deposits from sinks, toilets and bathtubs. This situation is usually found in rural homes where it may be mistaken for rust. Brightening of chrome fixtures in washroom areas.