Drying

How critical is the temperature and humidity levels for proper curing?

Thats the whole deal my friend. You want a clean, dark room, i use fishing line as its cheap and easy to tie up. Get a dehumidifier, keep it bt 45-55.
Temp is not as critical, in general the lower the temp the longer the dry, higher temp is no bueno either.

Ideal is RH 50% temp 55-65 - should take you about a week or so until the stems snap (plenty of vids on youtube re: this) then you're going to cure with mason jars

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Thank you for your quick response. I’m going to have to purchase a humidifier and possibly A/C to achieve those numbers. Does it matter if it dries under green light or none at all?