Pests, Hitchhikers, and Diseases
Have a 4 ft 75 gallon with 45lbs of lr, 40 lbs ls, external hanging filter. 25 hermit crabs, 8 snails, 3 cleaner shrimp and 3 mushroom frags and bta for the dt. A 10 quarentine tank w/ copper (no carb) and gravel.
So we got a batch of fish that apparently had ich, since they all died first...