Piece Water Solution's unique proprietary blend of safe-all- natural mineral, vegetable, and fruit extracts work to prevent resin from forming on your bong, rig, water pipe, or bubbler. It’s 100% All Natural and Absolutely Non-Toxic! Add Piece Water Solution to a clean bong and your bong will remain clean and clear from resin build up. When you are ready to change your bong's Piece Water Solution simply rinse your pipe with tap water and it will be clean! In addition, Piece Water acts as a filter of particulate matter, which makes for cleaner and much smoother hits.