howmanyds
Aquarium Advice Freak
- Joined
- Mar 27, 2013
- Messages
- 337
I'm setting up a 5 gallon hospital tank that came with a tiny filter and a little carbon media. I added about 2 tablespoons of Seachem matrix (all that could fit) from my cycled tank. Several days have passed (no fish) and the tank is showing a nitrite and a nitrate reading. There is, of course, no nitrite in the tank that the media came from, and I have added no ammonia to the 5 gallon tank. I thought having the media would instantly cycle this tank. Why am I getting a nitrite reading? I assume the nitrite is coming from residual ammonia "consumption," but shouldn't it all be processed into nitrate?
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