420 Science Rez Block is produced to hep keep your bong clean. This pack is a case of 24 x 15 ml. bottles
You can change the water everyday but that won't be enough to stop residue from building up inside your bong or water pipe. Tar stains not only look unsightly but also taste foul. Why ruin your hit? Use Rez Block in the water to really cut down on build-up and maintain a sweet-smelling and tasting bong. Rez Block makes the residue and particles float in the water instead of adhering to the inside walls and is then easily poured away!
This case contains 24 x 15 ml. bottles of Rez Block.
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