Why grind your cannabis before co2 extraction   High density compaction of the extraction vessel is necessary prior to extraction. With the high pressure of the co2 extraction, you will have blow through if you do not have a dense pack. Check out the High Tech shredder.  

Co2 Extractor Machines: The 15 Main Differentiating Factors

Let’s quickly examine what SFE is, by looking at what Wikipedia has to say about it, followed by our kicking off our affordable DIY CO2 extractor design project: Supercritical carbon dioxide From Wikipedia, the free encyclopedia           Standard carbon dioxide pressure-temperature phase diagram  from Wiki, plus another showing the droopy nose normally not shown on CO@ SCFE charts, but which can be exploited. Supercritical carbon dioxide is a fluid state of carbon dioxide where […]