It's possible, but tell me more about your foam? How much surface area is exposed to the air all the time?So having looked a little more closely at the Accumonitor I don't understand how I would be in a different situation. My issue with the Oasis II XL is that, when using the foam and water, I get too much humidity even when the device isn't running. Since the Accumonitor canisters are open wouldn't I run into the same issue?
On my accumonitor, the tanks are 3 5/8" diameter so roughly 10.3 sq inches. If you've only got a 3 5/8" square of foam exposed you'd have 13.1 sq inches of exposure...I'm guessing you have more than that. Granted I have two tanks, so I have roughly 21 sq inches of exposure, but I also have an end table humidor w/ 800 sticks in it.
As mentioned, my unit holds humidity perfectly for me and we're in the same geographical region.