One is the intended result of aging in stellar conditions, and the other is…well, mold. The differences between the appearances of plume or mold on your cigar may be hard to discern, but knowing the signs of each can save you from a bad smoking experience.
This article by Justin Harris from CigaHr tells how to identify mold or plume that may appear on your cigars. Harris also explains what you need to do if you find mold on your cigar or humidor, as well as how to prevent mold from growing in the first place.
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