Plastic tub. I'm going to have to sit down and put MORE holes in mine again, because the humidity is still holding a bit too high. And this is in Tucson...dry dry dry.


As for the temperatures....you say the whole room that the tank is in is reaching the mid 90's? Ouch! Do you have a cooler room in the house you could move it to? Other than that, the only thing I can think of is to get a fan going in there...and make sure whatever windows in there are as closed off to sunlight as you can make them.