Hey there! Don't know if you've upgraded your substrate or anything, but I use repti bark for my terrarium, it's a 20 gal breeder, and it holds my humidity perfectly. It hovers between 55-60. I covered 2/3 of my screen lid with aluminum foil and leave the 1/3 area for a heat lamp if I need to raise ambient temps which most of the time I don't really since it's hot here in NC. So if I don't need to use that, I just cover the exposed part with a hand towel and the humidity will stay at 60%. Seems like you don't have any problems humidity wise, but maybe put it in a room with more airflow? As for urates and poop, it's not very difficult to spot. Mine took one the 3rd day he was with me and left it right in the middle of the tank lol. Also very easy spot cleaning plus it has a nice smell to it (the repti bark, not the poo LOL!) I haven't seen any urates or anything like that in the tank, but I'm sure it'll have a distinct smell apart from the ReptiBark so it should be easy to tell.
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