My racks been working for me for a good long time, but recently I've started to have humidity problems. The tubs I use are sterilite 27qt's. I have a line of vent holes all the way around, spaced 1 inch apart, and about 1 inch down from the top. Everytime a snake poops, or knocks a water bowl, the tub fogs right up. I'm thinking I am going to need to put a hole in between each of the already existing holes so they are only 1/2" apart, but then I'm worried about humidity being too low.
In short - I'm just wondering what you guys that use a similar sized tub do in terms of vent holes.