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bigredbox · 05-10-2005, 01:06 PM

Hi everyone,

Need advice urgently, 5ft bow front marine tank, Gravity OK, water quality ok, set up for six months no problems.
Live coral, a couple of shrimps, hermits, sailfin survive but something has killed of everyone else. All show these symptoms...they go very quiet, hide then develope a black tinge to top of fish body, they gasp rapidly, then die.
One imperata showed no symptoms, he just swam on his side for a short while then died. No warning with this, very sudden after about two months of being fine.
I've lost damsels, clown, humbug fish and flame angel, the surviving sailfin did show symptoms but has now recovered.

I have treated the tank with Myxicin.

Would it be of any help to do a half water change? Any advice would be extremely helpful...what should I test for to determine exactly what the problem is. Would a protien skimmer help?

05-10-2005, 01:06 PM	#1 (permalink)
bigredbox Tunicate Join Date: May 2005 Location: Sheffield UK Posts: 1 View Gallery Karma Komment	Fish Dying? advice needed Hi everyone, Need advice urgently, 5ft bow front marine tank, Gravity OK, water quality ok, set up for six months no problems. Live coral, a couple of shrimps, hermits, sailfin survive but something has killed of everyone else. All show these symptoms...they go very quiet, hide then develope a black tinge to top of fish body, they gasp rapidly, then die. One imperata showed no symptoms, he just swam on his side for a short while then died. No warning with this, very sudden after about two months of being fine. I've lost damsels, clown, humbug fish and flame angel, the surviving sailfin did show symptoms but has now recovered. I have treated the tank with Myxicin. Would it be of any help to do a half water change? Any advice would be extremely helpful...what should I test for to determine exactly what the problem is. Would a protien skimmer help?