blue legged hermit

How do I best go about getting shells for my snails, conch, and hermit I currently have 1 blue legged hermit 3 nasarrious 3 Astreas 2 ceriths 1 tiger/strawberry conch the conch is already pretty big with his shell as the hermit. I have a 15G jbj nano. Where can you buy a pack of shells or...

Hi Will blue legged hermit crabs cause me any problems, are they reef safe? Just got fish and a selection of snails at the minute….. the snails I have are Nassarius, orange conch and fighting conch…..Not far off adding corals aswell…. Do they pester corals? Been researching and there’s mixed...