dr.dator
New member
I just upgraded to a slightly bigger tank a few weeks ago and something weird happened just after I had moved all the live rock and corals to the new tank... I have no idea what caused it, but basically all my corals started to close up and the tank started to smell almost like chlorine. You know like a swimming pool... The skimmer also started to go crazy and the skimmate was white like milk. I thought something had died due to the move so I did 3 x 25% water changes and replaced my activated carbon. After 48 hours the smell was gone and the corals started to look normal. But now it is happening again! The smell is back and the corals are closing.
Not as bad as the first time but definitely noticeable. All my params are normal. I have tests for salinity, temp, PH, ammonia, nitrite, nitrate, phosphate, alkalinity, calcium and magnesium and they are all good. What could cause this weird smell?