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AJinNY · 04-13-2008, 02:13 PM

One of my rainbows looked slightly thinner than normal and I noticed he was darting back and forth. I looked closer and his back half looked a little reddish - like maybe he was bleeding. I removed him from the tank.

The other fish look ok are swimming and eating, etc. But looking very closely I thinkI see ick on them and one of them looks to have a white furry thing above its nose.

Im thinking with all the chaos with the dozens of cardinals, that maybe something went wrong with the water.

I stirred up the gravel to get the dirt up and removed 50% of the water and put fresh water in the tank. I rinsed some (not all ) of the bio balls....took a few bio balls out and put a few fresh bio balls in....I also rinsed the filter sponge. I didntrinse all the bio balls because I was afraid Id be getting rid of too much bacteria.

My question is, will the fish get better on their own? Do I have to medicate the tank? Do more water changes?

By the way, I have 4 cardinals left and they seem to be ok...but that of course can change at any moment.

I appreciate any advice anyone can give me.

04-13-2008, 02:13 PM	#1 (permalink)
AJinNY Plate Coral Join Date: Mar 2004 Location: New York, NY Posts: 714 View Gallery Karma Komment	Sick Fish One of my rainbows looked slightly thinner than normal and I noticed he was darting back and forth. I looked closer and his back half looked a little reddish - like maybe he was bleeding. I removed him from the tank. The other fish look ok are swimming and eating, etc. But looking very closely I thinkI see ick on them and one of them looks to have a white furry thing above its nose. Im thinking with all the chaos with the dozens of cardinals, that maybe something went wrong with the water. I stirred up the gravel to get the dirt up and removed 50% of the water and put fresh water in the tank. I rinsed some (not all ) of the bio balls....took a few bio balls out and put a few fresh bio balls in....I also rinsed the filter sponge. I didntrinse all the bio balls because I was afraid Id be getting rid of too much bacteria. My question is, will the fish get better on their own? Do I have to medicate the tank? Do more water changes? By the way, I have 4 cardinals left and they seem to be ok...but that of course can change at any moment. I appreciate any advice anyone can give me.