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i have my tank going for 2 weeks now. i have had an ammonia spike the ammonia has not gone down and no nitrites yet. i didn't add anything from an established tank, i also have been testing water every other day. is common for it to take this long, i was kinda hoping to see a nitrite start to spike by now.
 

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If you're worried about the cycle, I suggest dosing with StressZyme. It's basically a mixture of bacteria that use the ammonia and nitrite as food. I dose my tanks about once a week for 4 weeks, after that the cycle tends to be done, and the population established. Also, I recommend dosing if you add more than 1 fish to the tank, to help with the increased bioload.

Also, I don't know if it works any better, but I tend to put half the recommended dose in the tank water, and the other half in the HOB filter unit, to kind of straight-shot it into the filter pad.
 

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It is usually about 2 weeks to get the first population of bacteria to grow, then 1-2 more weeks to get the other that breaks nitrite to nitrates. Total time is usally around 3-4 weeks. It also depends a bit on other factors like aeration and temperature of the water, but you should see a shift soon.
 
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