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Mar 4, 2024 - 2:47:05 PM
2515 posts since 2/7/2008

This is really for a guitar, but it applies to banjos too and I know there’s a bunch of smart guys here.

I recently bought a condo where the humidity is really low and humidifying the space is proving rather challenging.

So, to create a controlled environment, I enclosed a section of a built in cabinet (see picture) and I’m trying to figure out how to maintain 40%-60% relative humidity inside the 18” wide X 48” high X 12” deep (6 cubic feet).

The doors are gasketed and I leak tested the cabinet and although they’re not perfectly airtight they’re sealed pretty well.

I tried humidity packs, but they struggled to even get to 40% when the humidity outside the cabinet was 35%.

Then I got a cellulose sponge 4”x4”x2” thick, put it in a plastic tray and saturated it with water. It readily raised the RH inside the cabinet to 65% which is a bit too much. In other words, the saturated sponge works well, but it’s unregulated.

Any ideas on how to improve this situation?

By the way, I don’t have power in the cabinet. 


 

Edited by - Quickstep192 on 03/04/2024 14:49:40

Mar 4, 2024 - 3:22:59 PM

148 posts since 11/30/2021

I use a smart humidifier to humidify the room I keep all my instruments in. I can set a target humidity with an app on my phone and it does the rest. The only thing it doesn't do is dehumidify when the ambient humidity exceeds what the unit is set to. They come in a variety of shapes and sizes, but pretty much all of them require power and are not rechargeable. If it were me, I would take a small hole saw to the bottom back corner of the cabinet and run the cord through there and along the counter to the nearest outlet, and then of course seal the hole around the cord with some kind of weather stripping. That way a small humidifier would do all the work for you inside the cabinet. Alternatively you could get a larger smart humidifier and set it outside of your cabinet, but place the control hygrometer INSIDE the cabinet. If you raise the ambient humidity outside the immediate vicinity of the cabinet, eventually it will also be raised inside the cabinet. And small enclosed spaces tend to hold on to moisture much longer than an entire room. This method will just require you to refill the tank much more often.

I know the struggle well. I live in a dry climate and it took so much effort to maintain a consistent level of humidity all day while I was at work. But the smart humidifier I got basically solved my problem. If you can find a way to incorporate that type of device I think that's your best bet.

Tyler

Mar 4, 2024 - 3:28:10 PM

Owen

Canada

14850 posts since 6/5/2011

Just thinking (?) out loud .... some CPAP machines can add moisture [different settings] to the air they're pumping. 

Edit: More thinking (?) out loud ... use a medical I.V.  regulator wheel/clamp to regulate the drip of water onto the sponge in the OP.  

[I assume it's apparent that I'm not up to speed w.r.t. "smart" stuff.  crying ]

Edited by - Owen on 03/04/2024 15:46:00

Mar 4, 2024 - 3:56:25 PM
likes this

1651 posts since 11/10/2022

Id go for a whole room humidifier. I was just at a thrift shop that had a dozen really fancy ones for 25 bucks or soo.

Mar 4, 2024 - 4:59:27 PM
Players Union Member

rmcdow

USA

1396 posts since 11/8/2014

I have never tried them, but there are combo humidifier/dehumidifiers available. I looked at them for my workshop, which is dry in the winter and humid in the summer, but never pulled the trigger.

amazon.com/dp/B0C36GY4W2?tag=t...=osi&th=1

amazon.com/dp/B0CD83DH5Y?tag=t...h=1&psc=1

Mar 4, 2024 - 5:21:21 PM

235 posts since 8/31/2015

Maybe a crazy suggestion but you could try putting a few house plants in there and try to keep them well watered??

-TD

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