Tired of your bong, bubbler, or rig smelling... not so fresh? Use Randy's Resin Guard to go longer in between cleaning! This solution is compatible with any type of water pipe, made to use instead of regular tap water. Comprised of 100% food-grade additives, the resin guard helps prevent all types of gooey build-up so your piece (and your smoke) stay fresher for longer! Each bottle contains 12 ounces.