420 Science Rez Block 30ml

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  • Resin Blocker.
  • 30ml Dropper, Up To 120 Uses.
  • The All-Natural Resin Blocking Water Pipe Additive.
  • Safe For You And The Environment.


Want your glass piece to maintain that brand new look for longer? Add a few drops of Rez Block to your water when changing it to keep your glass sparkling. Rez Block naturally repels resin build up so your get fresh and delicious hits everytime.

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