*** Quoting Nuchumyussel from a message to All ***

Nu First off, the tank is indeed cycled.

Nu The methods I have tried are thus:

Nu 1. Cutting Back on feedings
Nu 2. Cutting back on the time that the lights are on.
Nu 3. Adding extra carbon to the filter.
Nu 4. More frequent water changes. (Currently I'm doing 25% changes every
Nu other week.)
Nu 5. Adding "Crystal Clear" drops. They supposedly clump the bacteria so
Nu the filter can pick it up.
Nu 6. Moved to largest fish o a different tank.

Nu I am deperate will do anything suggested!

Have you checked the various things you have in the tank? Rocks and stuff like

that? You may have something that is leaching into the water in a slow
dissolve pattern instead of any actual other problem. This is common hwen
peope put their own little figurines in there that arent meant for fishtanks.
Sometimes it kills the fish slowly, sometimes fast (when fast though, you
usually figure out that the new figurine is the culprit).

If you have kids, dont over look them dropping something in there. Charlotte,
when she was 3, added milk once to our tank and for a short time, was dropping
other things she didnt want to eat in there.
xxcarol

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