High test results.

AirborneForever

Ok. getting ready to do a water change, and add the conditioner. The fish are acting normal, just the spike worried me for a second.

Byron

I would certainly queston those test results on ammonia and nitrite. Nitrite at 1ppm would be evident in the behaviour/appearance of the fish.

A cycled (which this would seem to have been) 55g full of plants should not even show an increase of ammonia or nitrite on the day following the addition of 6 tetra. What should occur--unless there is something that we don't know about your tank--is that the additional ammonia from the added fish would be grabbed by the plants. As this produces no nitrite, that's the end of it.

When was the last time you tested for ammonia and nitrite before today? I see you have the API kit, any chance it may have expired?

Just to cover all bases, have you tested your tap water for ammonia and nitrite and nitrate? And how recently?

Byron.

AirborneForever

I just bought my test kit about a month ago.and my tap water does have ammonia in it at .2 but usually the day after a water change it's back at 0.
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Byron

That is what I would expect with plants, as I said earlier. The strange thing is why it didn't happen with the addition of 6 fish. I have added 20-30 fish to a tank at once and never had issues. Fast-growing plants especially.