Dagger Rust, Scale & Lime Dissolver, QuartDagger Rust, Scale & Lime Dissolver, Quart For cleaning plumbing pipes, heating, processing, air conditioning, and other water systems A powerful, premixed liquid for removing lime, rust, and other mineral deposits Removes deposits of sulfates, carbonates, oxides, phosphates, urinary units, plaster and other inorganic deposits Safe for use on steel, copper, iron, brass, plastic, china, bronze & lead piping because its inhibited against corrosion