If your nitrites are 0 you are probably done. Give it a day or two and test everything again before adding any fish. Just remember it's a small tank and 1-2 fish in a week would be all I did and you already need to be concerned about overstocking.

If I read correctly your plants started to pop, green up and so on then the ammonia went down. Perhaps that is why I wait a week before adding fish.


What may have happened is the plants has a little shock, adjusted, then took off consuming the ammonia.

IMHO 0 ammoina, nitrites but some nitrates in a planted tank is not a sign the nitrogen cycle is almost done. Just a sign the plants are consuming any ammonia the bacteria has not reduced. When nitrAtes drop down then the bacteria has built up and is consuming the ammonia and the plants are consuming the nitrates. That is a sign of a mature (and stable) tank.


my .02

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fw leiden since 1979, fo salt since 1979, mixed reef 55g 2002-2009. Strong emphasis on the tank taking care of itself. Balanced with plant life, no water changes, tap water, no filters in FW. Only dosing calcium, alk, mag in marine reef tanks. http://www.aquariumforum.com/f15/my-...ods-26410.html
recent tanks (till 2009) 7 years- 10g FW leiden 7 yrs, 55g mixed reef 7, 2 yrs, 20g FW leiden, 10 g fw leiden , 29g mixed reef, current tank 55g leiden