CLR - Calcium, Limescale & Rust Cleaner, 828 mL 

CLR Limescale, Limescale & Rust Remover is a powerful formula that quickly and easily dissolves and removes tough calcium and lime deposits, as well as surface rust stains from bathtubs, toilet bowls, sinks, glass, chrome, fiberglass, stainless steel, most coffee makers, humidifiers, dishwashers, washing machines and shower heads.

This formula is also ideal for RVs and boats. CLR Limescale, Limescale, and Rust Remover is part of the EPA's Safer Choice program.

It does not contain phosphates and is safe for septic tanks.