I’m looking to get some new shells for our hermits before they start going after the snails. LFS doesn’t really have shells available and suggested going online to get some. But I was curious if picking some up from somewhere like Hobby Lobby would be fine as long as they’re not painted? It seems much cheaper that way for a larger variety than a $15 pack of 6 off of somewhere like Etsy/Amazon. Or is there another recommended place to get some? We have several really tiny blue leg hermits and a couple larger red leg hermits. Thanks in advance!