HCA: Hermit Crab Association

I know you guys are saying to put plastic wrap or something over the lid. Here's my questions how sure are you that it will work and how many holes?

Many of us have done this. It works because the plastic isn't porous, so it keeps the moisture in. You don't need to put any holes in it. The crabs will get air exchange when you open the lid to do tank maintenance. I use glass tops on all my tanks, so they are sealed completely. I've been doing that for 4 years, and so far I've never had any issues.

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Ok hope this works I just put cling wrap over their lid and taped it.