I made a terrarium out of a big vas that has a seal, but i didnt use charcoal in it i made a false bottom with a netting over it and then the substrate then i added moss watered it and then closed it. My question is what chances of surviving does it have since i didnt use charcoal. I live in...

I have a 75 gallon paludarium and was originally going to house reed frogs but they don't eat a lot of things and i wanted to make the paludarium have a built in food chain with sprigtails and things like them. What herps should i house in my tank