Whole melt extracts have been around for a long time, and many means of extracting total melt extracts are already uncovered. None of these include the introduction of any solvents like butane, propane or even CO2. To help you extract them with no worry of blowing on your own up. https://whole-melts-extracts00000.actoblog.com/28535663/detailed-notes-on-whole-melt-extracts