However, if you mix cigars of very different strenghts or tobacco blends, you will create one blend amongst all of the cigars. This usually is not so good. Therefore, if you mix brands with different tobacco blends and styles you should leave the cello on. In general the cellphane will also help protect the fragile outer leaf wrapper. The more handling you do with your cigars the better chance you have of nic-ing of blemishing the outer wrapper causing it to come apart when you wish to smoke that premium cigar that has been aging for a long period in your humidor.
Bloom is crystalized oils that form in properly aging wrapper leaf.
Carefully and gentlely wipe it off trying not to damage the outer cigar wrapper. If your cigars are moldly they are pretty much cooked.