Are you sick of quick resin build up? Get ahead of the mess with RezBlock Resin Prevention by 420 Science. Their all-natural recipe includes fruit extracts, vegetable glycerin, purified water, and citric acid, all to help keep your bongs and dab rigs cleaner for longer. Just add a few drops to any water pipe to keep the flavors of your herbs and concentrates pure! Resin prevention water pipe additive Made by 420 Science Just add a few drops Multiple size options
