Discus Plaque?

[fishmad]

Hi,

My breeding tank with over 100 fry all died over night when they were doing fine for about 3 days all attach the mum and dad.

I also notice that dad and mum had white cotton look all around their body.

Now I also have a tank full of baby discus which now all of a sudden are all hiding in the corner, clamp fins and also have tail rot. Some don't even seem to have any tail left and all this happened over night.

Please help me out.

Cheers.

[Merrilyn]

Wow, sorry to hear that fishmad.

This sounds like some kind of water problem.

Can you post your tank parameters. Any level of ammonia will kill tiny fry and this is what I think may have happened to your three day old fry.

With the older ones, can you check the water, and again post the results. If you can manage a photo, it would be a big help.