It's generally recommended to leave it in the fridge for a day or two to allow it to fully cure. You can also put your Rosin in the freezer. It generally takes less time to cure this way, although using extra-cold temperatures isn't always ideal.
What cold cures rosin?
A common approach to cold curing rosin is to simply leave rosin in a sealed glass jar at room temperature for 24 to 72 hours, or even up to one week. ... Stability of the rosin is often the goal with cold curing, meaning to create an even consistency and baddery texture that doesn't separate over time.
How do you purify rosin?
Hot curing involves applying some kind of heat cycle to your rosin, and there are a multitude of ways to achieve this. However, the most common hot cure method involves popping the jars in an oven at around 200°F for an hour or two, and then allowing them to cool.