sometimes fish can stand slowly increasing levels of wastes... OTOH, they may be
sensitized to it now. but ragged fins is almost always water quality problem.
Ingrid

Jan Sacharuk wrote:

In article , Happy'Cam'per wrote:

The high Nitrates will 'burn' their fins, your correction of the water
parameters have slowed it down, their fins will heal. I recommend another
water change just to be sure Nitartes are very low.

That's interesting.

When I rescued these fish (the other owners moved away, and the fish
were left behind in a house that some friends bought) the nitrates
were over 300ppm (at least, it was beyond the measuring abilities of
any of the test kits that I bought) and I didn't see anything like
this on them. I'll keep trying to get the nitrates down more though;
no harm in that.

Thanks,

Jan



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