420 Science - Resin Preventer - Rez Block Concentrate - 30ml (XL)
Serious enthusiasts change their water daily. Just a few drops help prevent the resin from building up. It keeps our pieces clean, and our hits fresh and delicious.
- Up to 120 uses per bottle
- Contains fruit extracts, vegetable glycerin, purified water, citric acid
- Won't affect taste
- Just a few drops needed with every water change
Mini | Regular | XL
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