Calcium, Lime and Rust Remover delivers a fast, effective way to remove calcium, lime and rust deposits. As one of the top lime and rust removers, this industrial-strength, multipurpose cleaner is part of the EPA's Safer Choice Program recognizing the product as a safer alternative to traditional chemicals. It is NSF-registered and approved for use in food processing, food storage and foodservice facilities. Cleaner quickly removes calcium, lime, hard water deposits, soap scum, discoloration and dirt. Versatile formula is perfect for use on plastic, ceramic tile, glass, stainless steel, faucet/shower fixtures, shower doors, fiberglass, toilet bowls and sinks. Formula contains no bleach, ammonia or phosphorus.