Friday, April 10, 2009

2-month Nitrogen Cycle

Yep, that's about how long it took to cycle my 10 gal aquarium. On the other hand, the smaller 2.5 gallon tank is also fully cycled and it took a little more than four weeks. What I did in the 2.5 gallon was a fishless cycle, sort of. Let me back up a little.

When I had the bug a boo attacking one of my female platy, I picked up the 2.5 gallon tank and put her in it while medicating her. After she was well enough to go back into the 10 gallon tank, I started putting a few drops of pure ammonia into the tank keeping it at the 1.0 to 2.0 ammonia level. After about two weeks, I thought that another platy was about to give birth. So I cleaned the tank, rinsed the filter bag, removing and adding new carbon and then waiting a day before putting the pregnant platy into the tank. Within a day or two, the nitrites started showing up. I was surprised that the cycle was going so much quicker.

The Meds I had used would have delayed the cycle process. In using the ammonia, I felt that I was essentially starting over. In little more than three weeks, the 2.5 gallon tank is now fully cycled. This was the tank that I was having problems with such high nitrites. I believe the high nitrites were due to the fact that I had used the pure ammonia for two weeks. After I added a bubbler, the nitrite levels dropped and within days, the cycle was completed.

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