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Cigar Storage

Updated 2026-09-04 · by Eric

Cigars are a moisture problem. Kept in the 65 to 70 percent band they last for years; left on a table they're done in days. Everything on this shelf is about holding that band cheaply, checking that you actually are, and fixing it when you weren't.

The whole subject fits in a sentence: an airtight container plus a two-way humidity pack does the job, and a hygrometer tells you whether it's working. The pages below are the details behind that sentence, and the handful of real threats (heat, beetles, mold, travel, a long dry spell) that a sealed box does not solve on its own.

Read in this order

  1. Humidity and RH: what relative humidity is, and the 65-70 percent band cigars live in.
  2. Your first humidor: what to buy, what it costs, and why a tupperdor is a fine answer.
  3. Two-way humidity packs: packs vs gel vs beads, the RH numbers, and why recharging is a bad idea.
  4. How long cigars last: days on a table, weeks in cello, years humidified. And why mail-order cigars need a rest.

Setting up and maintaining

Threats

  • Summer heat: beetles, over-humidification, and why a hygrometer can read right and still be wrong.
  • Tobacco beetles and freezing: what hatches, at what temperature, how to spot it, and the freeze protocol.
  • Mold vs. plume: what the white stuff on a cigar is, the wipe test, and why the plume story is mostly wishful thinking.
  • The sick period: the ammonia edge on a new cigar, what travel shock does, and how long to rest it before judging.

Rescue and travel

A running experiment on this exact subject, the same cigar held at five different humidities, is underway and will publish on From the Deck when it reads out.

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