Dr Green Bong Cleaner A non-toxic cleaner that can be used on a variety of pieces such as bongs, pipes, grinders, and more that leaves no residue behind. ---Multi-Purpose ---No Fumes ---No Aftertaste ---Earth Safe ---Made By Bud Bomb Non-Toxic Bong & Pipe Cleaner Dr Green cleaner is your go-to product for all bong and pipe cleaning needs. It works brilliantly and leaves behind no nasty fumes or residue so you can enjoy a perfectly clean piece. Of course, you can also use this aqueous cleaner on other products such as grinders and certain vapes. If it can be cleaned with a liquid solution then Dr Green will do the job! It's non-toxic, Earth safe, and can be used either neat or diluted depending on how dirty your bong has become. Direction For Use: Most of the time you will only need to use a diluted solution.