Planted Tank Guru
Join Date: Jan 2010
Location: Contra Costa CA
When the cycle is complete, do a big water change. If you had to add any minerals to grow the bacteria, I would add them again. Continue feeding the bacteria just like it is still growing. When you are ready to add fish or shrimp do a big water change to remove accumulating nitrate. At this time you can also alter the water parameters to suit the fish.
If it is a planted tank, and the plants do not much like the ammonia, then add enough ammonia to bring the level to 1 ppm, but do this twice a day. If the plants are OK with it, then add enough ammonia to test 3 ppm, once a day.