I just got 2 new hermit crabs...Im wondering how soon do I need to put some shells in there for them? Also how big should they be in comparison to the ones theyre in now? ( slightly bigger, alot bigger, etc?) .....When they switch shells, do I leave the old ones in, or do I take them out?
Final question....
When I bathe them do I use fresh water, or salt water? Thanks!!!
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