ResRemover 420 Cleaner is the world's only ""just add water"" 420 and 710 specific cleaner! Formulated by a Vietnam veteran, ResRemover 420 Cleaner's ingredients are derived from plants, so you can clean without solvents or salts that may dull glass or not fully flush after cleaning, which can be harmful to inhale. ResRemover is also reusable, allowing you to clean multiple pieces with the same pouch! To use: simply add hot water to the fill line to dissolve soap, drop dirty items in the soapy water, reseal the bag and let soak overnight! After soaking rinse under hot water and poke as needed with paperclip or toothpick to break up larger chunks. NO ALCOHOL, NO SALT, NO MESS