The archive / Field note
The screens decide what ends up in the jar.
Micron ranges describe the screen sizes used to collect resin heads during the wash. The 73 to 90 micron range is often prized, but wider blends can carry more complete flavour. Neither is automatically better.
Start with the full guide: What is live hash rosin?
Looking for a jar? How and where to find live hash rosin in South Africa