Dr Green Bong & Pipe Cleaner can be used to clean pipes or bongs of all materials including glass, ceramics, metal and plastic. It will not leave any unwanted residue and it is non-toxic.
Cleaning Tips: For best results, use regularly with hot water and a bristled brush. Remove stem and bowl.
Mixing Directions: 60% Cleaner, 40% Water. For Heavier Tar, use neat!