Walter 53G253 Bio-Circle Power Cleaner 100 16.9oz Spray Bottle A highly concentrated acidic cleaner that quickly breaks down rust, lime scale and mineral deposits while brightening metallic finishes. Must be neutralized with an UNO product or SURFOX-N after use. Features: Can be diluted up to 1:40 with water VOC free, Solvent free, Non-Flammable Does not contains nitric, hydrofluoric or hydrochloric acid Materials: Aluminum Steel Applications: Excellent for cleaning aluminum Removes rust and corrosion, lime scale Can be diluted up to 1:40 with water VOC free, Solvent free, Non-Flammable Does not contains nitric, hydrofluoric or hydrochloric acid Aluminum Steel Excellent for cleaning aluminum Removes rust and corrosion, lime scale