RezBlock Mini Concentrate Resin Preventor by 420 Science


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I have admired 420 Science as a brand (and as medicinal marijuana advocates) for quite some time now, they have been around for a very long period of time (since 2004 and now based out of Texas) and are known as one of the most trusted head shops around. They started humbly with a 420 jar (storage) line and now have a massive website filled with a dizzying array of products. Their premise is to provide solutions for every possible smoker out there and they regularly teem up with other (highly successful) product designers to collaborate on amazing new products. One last point I find interesting is that 420 Science has strong links to High Times Magazine, and they have been creating the official stash jars of every yearly Cannabis Cup since 2006.


Really only one answer to the question, because you value cleanliness particularly in regard to your pipes/bongs/glassware. Also, because you value the purest (and freshest) smoke/vapour you can achieve. I bet you can think of at least one person who very rarely changes the water within their pipes and almost never cleans them. I bet you were grossed out! If you are the type of person that replaces the water daily in your pipes and marvels in fresh glass then you need this product.


RezBlock Concentrate is an all-natural solution that you drip into the water reservoir of your smoking implement along with clean water. RezBlock will work to prevent the build up of resin anywhere that the solution touches. The beauty of this product is that it helps to keeps your pipe (and water within) cleaner for longer whilst not affecting the flavour/taste at all. RezBlock is made completely from organic ingredients, the exact breakdown is a proprietary secret, but I believe it is made up of fruit extracts, vegetable glycerin, purified water, citric acid along with salt (preservative). Absolutely no chemicals or anything unsafe for human consumption are used. This is as natural as a product can get, just please don’t drink it.

TIP: This is the mini version, a tiny little bottle that can easily be transported. Only a small amount is need per usage so this tiny bottle will last you for approximately 12 uses.


Give your pipe a nice deep clean to start. Place clean water within the reservoir and add 7-14 drops of RezBlock. You are now ready to use your pipe.

TIP: It is recommended that you change the water within your pipe at least after every 2-3 days of usage.


x1 4ml bottle of RezBlock mini Concentrate Resin Preventor


  • 4ml
  • Concentrate – up to 12 uses per bottle
  • Organic
  • Contains fruit extracts, vegetable glycerin, purified water, citric acid and salt
  • Wont affect taste
  • Just a few drops needed with each water change
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