Rez Block concentrate is an innovative additive for water pipes to prevent resin from sticking to the glass. With Rez Block the resin floats in the water allowing you to pour out that nasty gunk, instead of spending your day off scrubbing. Rez Block effortlessly keeps your water pipe in pristine condition with over 100 uses in this 30ml bottle!

Rez Block Concentrate Features:

• Up to 120 uses per bottle
• Does Not Affect Taste
• Just a Few Drops With Every Water Change
• Contains Fruit Extracts, Vegetable Glycerin, Purified Water, and Citric Acid