Over the weekend I got the mollies to 35ppt so I put the 4 smallest of the 12 sailfin mollies into the tank I had plumbed into the 560 for my eel on Monday. On Tuesday afternoon when I checked there were only 2 left, and they seem to be doing well. No sign of the other two, I assume they were crab food as there are some emerald crabs and blue legs in there to deal with some hair algae. I was a little concerned putting them in as the mollies I purchased were supposed to be 1.5" but most were under 3/4". I only had one that was the 1.5" size and another that is 1.25". I decided to try two of the larger 3/4" in the display where there are no emeralds (that lasted 60 seconds) my wrasse is happy....I never thought he could swallow a 3/4" molly whole he is only 5", I feel bad and lesson learned. I then put the remaining 6 into the eel tank including the two larger ones. I know I need to monitor them a couple times a day.
Question how long if the show no symptoms of ich do I consider the tank clean?