Winterization removes unwanted waxes and fats/lipids from the extract. Winterization of QWISO can be done by dissolving the QWISO extract in a hot bath of AT LEAST 151 proof grain alcohol/ethanol (Everclear for example) and placing the mixture in the freezer - once it's cool enough - for 48...
Perhaps in the future I'll compile all the links I have on Iso/Ethanol extracts and BHO. Winterization is pretty important and overlooked by a lot of people.
Just happened to work out that way, the link about vegan organics is important and I could have found a thread by Nikka T perhaps...but I didn't.
What you put into your plants is what you'll get out of your extracts. That's just a good rule of thumb...
And if you want to play favorites, I...
Its called bubble hash for a reason. If it dont bubble, it aint worth the trouble.
Video: Full Melt Clear Dome - Dry Sift After 40 Minutes of Cleaning
Video: Matt Rize Ice Wax Concentrate Compilation
Bubbleman and the Dry Sift Movement
Making Full Melt Dry Sift With the Bubble Box...