I'm getting my first redfoot. I have the closed enclosure with Zoo med eco earth coconut husk now. Is this best? There's so much out there on substrates! I also wonder about cypress mulch or orchid bark? I read to use dirt mixed with a little play sand is great. I just don't know. I have bad mold allergies and need to be careful with that. Also how often do I need to do a total change to avoid odor? I will keep it moist for humidity but don't want mold odor or mites. Can anyone clear this up for me??