This is my first vivarium. Will hopefully house some P. Terribilis this upcoming March. I really followed Troy Goldbergs youtube to make this and as such I covered the entire bottom with sheet moss. Since than it has not been doing well and most of it is brown/dead. Can I simply cover it with leaves and let it break down or should I remove it from the vivarium as it will cause excess bacteria growth? My dwarf whites and springtails are really chowing down on it and I would lose a lot if I removed it.