there is something wrong with something in the tank. remove all the "stuff" and do a
100% water change. what is the temp? what kind of aeration do you have in the tank?

wash that sand out really well. dont put the "stuff" back into the tank, it is most
likely the source of the problem. sometimes it takes months to years for material to
start breaking down. all the water parameters can look wonderful, but the CO2 level
is elevated and something toxic is going on in the tanks. only thing to do is a
strip down. Ingrid

"Devin" wrote:

I had posted about my big oranda and how he had been either sitting on the
bottom, or hovering up at the top of the tank. I took him out and put him
in a 6 gallon tank for 5 days, changing the water every day, all water
treated with CopperSafe. He was just fine, and got put back in the tank.
After a week of him being active and back to normal, he's started doing it
again. Now one of my others is acting a bit "tired" as well.

I'm starting to think that maybe I need to do a total water change? I did
over 50% last week and will again today.

4 full sized fish in a 40 gallon tank (two babies in a fry netting at the
top of the tank, only about 1/2 in long), Emperor filter, sand substrate, 6
plastic and ceramic based 'plants'.

Any other suggestions, or should I just plan for a total cleanout next
weekend?

Tahnk,

Devin




~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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