Piece Water's unique proprietary blend of safe-all- natural mineral, vegetable, and fruit extracts work to prevent resin from forming on your waterpipes, or bubblers. It's 100% All Natural and Absolutely Non-Toxic! Add Piece Water to a clean waterpipe and your piece will remain clean and clear from resin build-up. When you are ready to change your piece water, 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 & much smoother hits.