Winterizing Rosin means processing your rosin using edible alcohol to remove waxes, fats or lipids from the concentrate. Winterizing Rosin is of great interest among cannabis enthusiasts. Sadly, there’s very little information in the public domain on how to do it safely as a DIY. In this article, you will learn, step by step, how to winterize rosin in small batches. 

Here are the steps

• Prepare about 1 gram of rosin
• Place it into a beaker and add about 10 ml of Everclear
• Apply light heat and mix the content of your beaker until all your resin dissolves into the alcohol 
• Transfer into another container, preferably a graduated cylinder with a base support
• Place into a freezer and let cool for about 14 hours
• After 14 hours have elapsed, remove your container from the freezer

After freezing, you can see that the wax, fats and lipids have separated and sunk to the bottom. Next, obtain a syringe and pull Rosin to filter.

Pass the rosin through a 0.22 syringe filter into another beaker. The filter traps the fats and waxes and removes them from the alcohol. Then you will need to evaporate the alcohol.

Conclusion

Once you are done filtering, and purging the ethanol, you now have fully winterized rosin. You can now use it for edibles or further refine it and use it in baking pans or normal dabs. Please note that you can also prepare full spectrum THC vape oil from rosin and distillate, so possibilities are endless!