Quick answer
To store tobacco properly, use a humidifier like the Dr. RH MRI Humidifier to maintain 65-72% relative humidity in an airtight container. This prevents drying out or mold growth.
Why humidity matters for tobacco
Tobacco, whether in cigars or pipe tobacco, is hygroscopic—it absorbs and releases moisture from the air. If the humidity drops too low, tobacco becomes brittle and loses flavor. If it's too high, mold can develop. A stable humidity level (typically 65-72% for cigars, 65-70% for pipe tobacco) preserves the texture, burn quality, and taste.
Humidifiers designed for tobacco storage use moisture-absorbing materials like crystals or sponges to release or absorb water vapor as needed. The Dr. RH MRI Humidifier, for example, contains crystals that absorb up to 400 times their weight in fluid, making it a reliable choice for long-term storage.
Choosing the right humidifier for your setup
The size of your humidifier should match the volume of tobacco. A small humidifier might work for a desk humidor, but for larger storage (50-250 cigars), choose a unit like the Dr. RH MRI Humidifier. It's sealed with an ultrasonic weld for durability and can handle medium to large containers.
For pipe tobacco, consider using a humidifier with a lower output to avoid over-humidification, since pipe tobacco is often stored in jars or tins with less airflow.
Steps to use a humidifier for tobacco storage
- Step 1: Prepare your humidifier: Remove the humidifier from its packaging and soak it in distilled water for 10-15 minutes. Shake off excess water gently. Do not use tap water, as minerals can clog the humidifier and promote mold. Always use distilled water to avoid mineral buildup.
- Step 2: Place it in your storage container: Position the humidifier in the center of your humidor or storage box, away from direct contact with tobacco. For cigars, place it near the middle of the stack. For pipe tobacco, set it on a tray or in a corner to avoid soaking the leaves. Keep the humidifier off the tobacco to prevent moisture spots.
- Step 3: Monitor humidity levels: Use a hygrometer to check the relative humidity inside the container. Aim for 65-72% for cigars, 65-70% for pipe tobacco. If it's too high, open the lid for a few hours. If too low, re-soak the humidifier. Check the hygrometer weekly; adjust the humidifier's exposure as needed.
- Step 4: Maintain and recharge the humidifier: Every 2-4 weeks, check if the humidifier feels dry. If the crystals are hard and no longer moist, soak it in distilled water again for 10 minutes. Avoid over-soaking, which can cause dripping. A dry humidifier means it's time to recharge—don't wait until the tobacco feels brittle.
Product facts
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Dr. RH MRI Humidifier: These Moisture Regulation Instruments are filled with crystals that absorb up to 400 times their weight in fluid. Each MRI is individually sealed with an Ultrasonic weld and the high-tech process ensures your humidifier is durable. Humidifies 50 to 250 cigars! This means you can trust it to maintain consistent humidity without frequent refilling, ideal for medium to large tobacco collections.
Dr. RH MRI Humidifier



