Just got a box of 25 Monte Cristo No. 1s. I need to get a humidor-how long will it take for my Cigars to dry out if they remain in the sealed box wrapped in a plastic bag? Also-any advice for buying a Humidor?

I initially put mine in the refridgerator, but was later informed not to do this. About the humidor, don’t cheap out. You can waste a lot of money on excess, but don’t get the cheapest one available. The main thing is to get one with a good natural seal and a moisture gauge. I think your Cigars are safe for a considerable while being unopened, so you have time to pick out a good humidor.

I am low and cannot make it to get more "distilled water" but I have Zephyrhills bottled water and was curious if that would throw the balance off in the Humidor?

Distilled water is best because it is 100% pure. Spring water as small traces of particulates that over time will build up much like the white grime in your bathtub. Repetitive use will cause this problem, so I say for this one time you would be fine

My humidor has small container with florist foam which is soaked, but I still have to put a sponge in the Humidor and I have not been able to get the humidity above 65%. I did season it by wiping it with a damp sponge. Any suggestions?

buy a cigar of inferior quality.preferably a filler tobacco.completely soak it in your favorite spirit. drop it in a cigar tube,then put in the middle of all your Cigars.
also the humidity in the room has a lot to do with it.
the higher the humidity in the room the higher it will hold in the canister.