[ReefKeeper64]

People keep snails in bare bottom tanks all the time. They will happily clean the glass even if there is no sand. Just put a little fish food in the holding tank so you get a little build up of algae on the glass.

Make sure your snails aren’t carrying any vermetid snails or their eggs with them. You should have plenty of time to find out while they are In your holding tank. If you see signs of pests/vermetid snails or webs in your holding tank, chuck em or put them back in the ocean if you live are near one.

When your treatment is over, your tank will still be fully cycled and 100% pest free. That is, no aptasia, no vermetids, no ick, no velvet, no red bugs, no worms, nothing but healthy fish.