Lose the conceit that this is a cannabis specific trick you’re trying to master.
Play with sugar water….or alum.
Cannabinoids are expensive and light hydrocarbons bring risks to the table that you can sidestep till you’ve wrapped your head around the important parts.
Understand what the kids are being taught.
Pressure is a red herring. You’re not working with carbon crystals.
If you can’t tell good advice from bad, by reading it, how can you tell the difference?
Edit: if you haven’t found the data dump yet you should go looking…. Eg: Crystals - Google Drive?