Just let them dry out. Primer compound is kept wet in the factory as you can see in this chart between two primer technologies. You can also see that as primer compound dries out, it gets more sensitive!
Red is 100% go bang, Green is 100% no go bang, and the colors inbetween are percent chance of bang. Moisture is the Y axis and energy impact the X axis.
Another thing about this chart you can see that probablity of ignition is different if you have margin energy impacts. The stuff might go off, might not go off.
