Quote Originally Posted by TopazEye View Post
Thanks! I figured I'd need 1/4", as mice as so small. Would 1/4" work for rats as well?
Generally no, their mouths are much bigger and they would have a very hard time (if not impossible, I'm not certain which) getting to the food through the smaller spaces. Definitely don't want smaller than 1/2"×1/2" spaces for rats to have to try and eat through.

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