No one likes to smoke out of a dirty piece. Thankfully Formula 420 cleaner has figured that out over 20 years ago and has been keeping pipes, bongs, and all kinds of glass fresh ever since. Their classic 1-minute cleaner is made for Glass, Metal, Ceramic, and even Pyrex so no matter what you’re rocking, you can keep it clean. All you have to do is fill up your bong or submerge your pipe, shake it about, rinse thoroughly, and pick things up where you left off. Formula 420 ‘s recipe is non-toxic, biodegradable, smells great, and is easy to use.