Ok... previous discussion of "drying your powder" had a totally different meaning to me. I thought you were talking about getting WATER content out of the powder. Living in the Pacific North Wet... I wondered how that would be doable for me.
With that being said... is the smokeless powder we use "hygroscopic" by nature? Will leaving it open "to dry" cause it so take IN moisture in a more humid climate? Or... is this purely to allow the acetone to evaporate?