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The All Natural Resin Blocking Water Pipe Additive
Just a few drops of RezBlock Conentrate will keep your water pipe clean. How is this possible? We use fruit and vegetable extracts that create a natural slippery coating that resin can't stick to. The resin stays in the water instead of sticking to your water pipe,perc and downstem. Just add a few drops each time you change your water.
15ml bottle around 60 uses , 30 ml bottle around 120 uses
Safe for you & the environment.
Ingredients: fruit extract,vegetable glycerin, purified water, citric acid