nudis

Hello, Just a quick question. I added 3 Berghias to my 100 gallon tank about 2 months ago, and just within the last week I suddenly noticed all of my aiptasia is gone. I had a TON. But now I don't even see baby aiptasia. I have noticed at night time, they'll go on the glass. Should I be...

Hello all. Well I'm starting to see signs of a pest in my corals. Could this be marks of NEM? What could be a useful in tank treatment? Thanks for the help.