Hi. I have a 13.5 fluval saltwater kit. In it is 4 hermit crabs, a big turbo snail, and zoanthids, 1 candy coral, 1 brain coral, and 1 Lord. And 3 snails that are in my sand and only come out for food... idk the type they are so picture is included of the eggs and the snails. Also, I treated my...