RezBlock Resin Blocker

  • Sale
  • $20.00
  • Regular price $34.99

420 Science offers this resin blocking concentrate dropper for those tired of dealing with dirty glassware.  Drop a few drops in to the water and dramatically decreases resin buildup.   Doesn't affect the taste.  Organic (made from fruit extracts, vegetable glycerin, purified water, citric acid).  And effective!  Lasts 60 uses per bottle.



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