If you put 3 in. of coco coir under the mulch and get it wet enough to ball up in your hand without water dripping out. Also do what ZEROPILOT suggested you will be ok.I've noticed my tortoises eyes have been a little watery. I think the humidity level is to low in my tank. I mist the tank several times a day, but it's drying up pretty fast. I think it's the bedding. I'm using Zoo Med cypress mulch. Any suggestions in different bedding?