I bought 2 turbo snails this weekend. They were very active at the LFS
(moving along the glass, etc). I acclamated them to my tank just as I have done to all my fish. I floated the bag on top of the tank for about 30 minutes and then began adding small amounts of my tank water to the bag. I did this until the bag was full. Then I dumped out 50% of the water in the bag and added water again until it was full. After that I added the snails to the tank. The whole process took about 3 hours. Unfortunately I dont' have the room for a quarantine tank, so I have no other choice. The snails were active in their plastic LFS
baggie as well. But when I added them to the tank they never came out of their shells. they stayed in the shells for about 2 days and I'm fairly certain that they're dead. I have 2 tomato clowns, a scooter blenny and 2 damsels - all are doing great and the only thing I did differently with the fish that I did not do with the snails was give them a fresh water dip. I assume that if the snails were still alive they would be out and about by now???
I would like to keep several snails, crabs, stars in my tank if possible but I don't want something like this to happen again. Should I have done something differently? Is there some kind of trick to acclamating these guys?
And, not that I plan on adding a bunch of them at one time due to last weekend's experience....but is there a rule of thumb for how many snails, crabs can be added to a tank at one time? I would never add more than 1 or 2 fish at a time - but I'm not sure if that same rule applies to inverts.