I don’t know of any snuff sold that is designed to be aged. Most are made with some intent to be preserved. Salts, including alkalizers in snuff will prevent tobacco from aging. Usually any aging is done during the making of a snuff. Fresh suff IS best. Keeping snuff fresh or re-freshening snuffs are important topics here. There are some snuffs that will age gracefully. To what end is a typically a gamble. So for the average snuffer aging snuff is null. If however you are making your own snuff. Aging is one of the many dimensions.
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