04-07-2007, 12:18 AM
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It is good that there is no ammonia and nitRITE in your tank, but the true test will require you to purchase a nitRATE test. when bacteria in your tank eat the ammonia and nitrite, they turn it into nitrate. If you are getting some nitRATE in the tank, but no ammonia or nitRITE, they your tank is cycling correctly, and you can begin adding a few fish at a time.
Remember if you add too many fish all at once you could be adding ammonia and nitRITE faster than your bacteria can catch upa nd eat it and you could harm or kill your fish.