Handle with care. Corrosive and can cause burns. Keep out of reach of children and keep the lid tightly secured. Wear appropriate personal protective equipment. Avoid all contact with the eyes, skin, and clothing. Do not ingest. Avoid breathing in any fumes. Fumes could be flammable. Do not use on aluminum, soft plastic, or fiberglass surfaces. Do not use in combination with any other drain cleaners, plunges, or aerosols.