Rust. Calcium. Lime. Effectively removes stains from a variety of surfaces inside and outside the home. Advanced formula! Lime-A-Way Cleaner easily removes stains caused by the natural minerals in your water. Lime-A-Way effectively cleans the toughest hard water stains - stains you might have thought were permanent. For use inside and outside the home on surfaces that come in contact with water: in kitchens; in bathrooms; outside. Contains no phosphates.