I had a big pro. With humidty and tried qlot of things but what works best for me so far is having a big wet towel cover about 4/5ths of my screen lid. It keeps my humidty around 55 to 60 percent and I just have to wet the towel once in the morning when I wake up. Make sure to wash the towel ever couple days just to be safe from any mold. I have 2 towels that I use so I can have one in the wash while another one is on the cage. Lemme know if this helps ya brother