Cigar Tube Humidifier

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Introduction: Cigar Tube Humidifier

This compact humidifying element will occupy minimal space in your humidor, allowing you to fill your humidor with more important stuff.

** FINAL STEP UPDATED **

Step 1: Gather Materials

To make your own compact humidifying element, you will need the following:
-- propylene glycol crystals
(I get mine from Cigars International, but other online cigar stores stock them)
-- an empty aluminum cigar tube
-- sandpaper
-- 1/8 " drill bit and drill
-- center punch

Step 2: Strip the Tube

I sanded all of the paint off of the cigar tube for aesthetic purposes, but this step is optional.

Step 3: Prep and Drill

Mark the tube with the punch in 1/4" intervals along a straight line, then drill.

Step 4: Finish and Fill

I squished the rather malleable tube in a couple places while I was handling it, so I used a smaller cigar tube to pop out the dents. After you are satisfied with the tube's condition, fill it with propylene glycol gel.

Step 5: Put It to Use

Cap the tube and set it in your humidor. Admire the vast new space made available to you for cigar storage.

** UPDATE **

After a little more than a month of use, I determined that my humidifier was registering consistently low hygrometer readings, despite rehydrating the gel a few times.

To solve this, I drilled a large number of additional holes (on all sides) to allow for better air circulation and evaporation. It works -- keeps my humidor interior within the requisite 66 - 79% humidity zone.

Below is the finished product.

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24 Comments

Great idea...just love the idea of using a tube for such a simple task.

I'll be making this for my travel box this weekend...I'm tired of buying humo-packs to keep my CAOs nice and young...xD

Thanks.

One note: If your cigars come in a plastic sleeve, you don't have to remove them to humidify them...just open the end, or cut it flush with the stick to allow a little of the moisture to hit the end. If the end stays moist, the rest of the stogie will, too.

Cheers!

Thanks for the sleeve tip - I definitely appreciate the additional protection of the cellophane wrap while traveling with cigars in a leather case.

Hey, I'm sorry to hear you're quiting :-P But if you're getting out, and I'm just getting in, maybe we can work something out as far as equipment goes. Basically, I just bought a humidor with a humidifier, but no matter what I try, I can't get the humidity over 60-64%. Worried that my cigars may become damaged, I need some humidifying devices that I can experiment with. Any ideas?

Have you conditioned your humidor? Try searching for humidor seasoning methods if you haven't -- these usually involve wiping down the inside with a clean wet cloth and then keeping the humidor closed for 24 hours with a shot glass of water or sponge in it. Proper seasoning will prevent your humidor from soaking up the humidity that your humidifier puts out.

I think I figured out my problem... My hygrometer was not calibrated! Still though, it's a pretty cheap one so I'm not really trusting its accuracy. Even though it shows the humidity to be 68-71 my cigars still creak and crackle when I give'm a gentile squeeze. I recently had a cigar that was kept in a tube, R y J reserva real, and it didn't make a sound. Was the best cigar I've had so far! I think I'll be getting a digital hygrometer and some humidity crystals/gell

At proper 70% humidity there should still be a slight crackle to the cigar. I actually enjoy them slightly more humid as well but they will rot in the humidor if you keep that way for long.

Great idea! You can also make a humidifier using a prescription bottle and a sponge. Just drill holes in the cap, soak the sponge and you're good to go. I use this for my ukulele and think it would work perfect for cigars.

This would work to generate humidity but wouldn't be good for cigars which need a constant 68-72% humidity or else they will dry out, mold, or lose their essential oils in shifting humidity.

Water alone can result in humidity up to 95%. Propylene glycol crystals will absorb excess humidity over 70% resulting in 2 way humidification.

I appreciate the DIY spirit of the instructable but a DryMistat is essentially the same thing with a breathable plastic membrane that allows it come in contact with the cigars without over humidifying the near ones and they only cost about $8 so there is little if any economic or practical benefit to this.

Great idea. I would have never thought of doing this myself. One idea from my ma from back in my boy scout days. We made steam boats out of cigar tubes and it required drilling too. We froze water in the tubes first to prevent it from bending near the holes. I've always thought it was a waste to throw those tubes away. Good idea.

Excellent suggestion - like it.