most important part here is removing ALL your media.
fines will cause nucleation every time.
AKA “CR-Seeds”.
@Juice311 has a nice write up over here on how it was done BEFORE CRC: Oven Tek for stable shatter. Humidity doesn't stand a chance
it’s also been some time since @Waxplug1 noted:
however, that statement seems somewhat at odds with the following…
so you’re probably gonna have to wait for additional data points…or go find them yourself.