03-26-2012, 11:12 PM
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Originally Posted by Boise1024
When cycling my new 26 gallons I decided to use some substrate from my well established 10 gallon. I just put it in a mesh bag at let it sink in a corner of the aquarium. There would have been about 2 cups of substrate in the bag. I decided to take ammonia and nitrite sample every day until the end of the cycle, and logged all of it. Here is my log :
According to my log, the aquarium was set up march 4. I did a fishy cycle (wouldn't do that now, anyway...) with 7 red eye tetra and first started to register ammonia 4 day later. It went up to 0.1ppm march 9, and that was the end of it, never seen ammonia since. Nitrite first appeared on march 10, too low to register my minimum test value (0.1 ppm) but still present. Nitrite went all the way up to 0,5 ppm by march 16, when I did a water change. Cycle was officially over march 21 with strong 0ppm for ammonia and nitrite.
The cycle took 17 days, about half as long as a typical cycle. There was no ammonia spike to speak of, but nitrite went quite high and stayed above 0,1ppm for 7 days. At the same time, the 10gal stayed right where it's normally at : 0/0/15-20ppm. My guess is that removing the filter, or a good part of the media from the filter might have had an adverse effect on nitrification in the 10gal.
When you did this did you have real plants?
Also were you using a water based test kit? What test kit did you use?
Just wondering. real interesting information. Thanks.
Edit: Also...how often did you do water changes?
Last edited by Termato; 03-26-2012 at 11:20 PM..