09-12-2009, 01:47 PM
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Originally Posted by NCSUCarrie
Byron - there are 4 danio's in the new tank and have been in there for the 2.5 weeks - so that and feeding them should be my source of ammonia. :) Thanks for checking though!!
Thanks TwisterMom... the smaller tank is going to be retired once everyone is safe and happy in the new tank - I had gotten a 12 gal bow front Eclipse about 4 years ago and have had problems with it ever since... the Filter won't start up automatically and I spend 5+ minutes restarting it each time it dies (which is regularly) or the power flicker. Then the transformer type box for the flight literally blew up! huge cracks in the box and everything.... So we decided to put the money into a whole new tank and be done with it and have more room for our fish!
I was just suprirsed the way the new one is cycling. The first tank more or less followed the normal pattern of spikes in ammonia and nitrite. It just seemed strange for there to be nitrate in there when I never saw a spike in nitrite values. I will continue to test for a while to make sure everything is going OK.
I may move over the Cory's and see what happens with the water quality, and if all goes good move over the Gourami's after some time passes. Any other thoughts or advice would be well appreciated. Thanks !
Great, my fault (getting old again...
) missed the zebras before. In that case, I agree you are probably progressing well with the nitrification cycle.
The nitrate occurred because you transferred bacteria over; the nitrospira bacteria produced the nitrate when it used the nitrite, so it will show. In other words, you had all the bacteria from day one, and the slight spike in ammonia and now nitrite is the bacteria catching up to the higher food source from the fish. Nitrosomonas bacteria can multiply in approximately 7 hours under optimum conditions; that means that every 7 hours they double (they multiply by binary division). Nitrosira takes a bit longer. I'd say you're doing fine.