Clear Glass Cleaner by Dark Crystal Glass is a shockingly effective, all-natural and non-toxic glass cleaner. Simply soak your bubblers, mouthpieces, e-juice tanks and even quartz nails in Clear, and you won't believe how clean and shiny they become!After extensive research and development, working closely with cleaning experts Eco Mist Solutions Inc., Ontario glassblowers DarkCrystal Glass have come up with Clear: a non-toxic, non-carcinogenic, unscented cleaning solution for surfaces such as acrylic, metal, cotton wick and specialty glass.A cleaning product so safe, yet so powerful. By simply soaking the surface in the solution it removes stubborn stains and rinses free leaving no toxic residue. A truly natural alternative. We like that.