Humidity for kief before pressing into rosin

[peasandlovage]

Might want to read this page a bit too

Extracting kief

I exhaustively extracted two different batches of kief. The kief was produced using a roller in a freezer for 12 hours. One batch contained 25.4% extractables and the other 30.2% extractables. The leftover biomass was a fine powder like pollen that was not sticky and did not seem to contain anything useful. The idea of using a kief roller as a pre concentration step to minimize the volume of biomass to be extracted is attractive but, in my experience, is not very efficient at recovering oleo…