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Originally Posted by Bagor
Photon, How are your Danios doing and your nitrite and ammonia levels?
I'm confused here. Where do the Nitrospira originally come from if you were to break the tank in by waiting it out? Are they present in tap water? Also, I was under the impression that the cycle doesn't start until fish are introduced. By introducing the Nitrospira in increased numbers aren't you just speeding up the colonization process?
Couple of questions. Am I correct in presuming that when the water goes through the filter and re-enters the tank by the little mini-waterfall sorta process that it is oxygenated at the same time? If so, when would you need a pump?
Also, re. underwater decor. Would it be considered sacrilege if I placed my Iginla McFarlane figure in with the fishies? 
I'm hoping to just leave the box out from Santa, set it up on Xmas day and then get a few fish into a couple days later. |
I can answer your water oxygenation process. The water gets oxygenated when the water comes out of the filter it disturbs the water surface allowing oxygen to mix in. That's why fish will start suffocating in a still tank (save for certain types of fish which can actually breath atmospheric oxygen). You just need to make sure the surface of your tank is getting adequately disturbed, you don't want a still water surface.
Another big problem I used to find about my tanks was that when I first started I wasn't matching the temperature of the water I was changing into the tank with the temperature of the tank and the fish were getting shocked from this. I'd just be careful with the temperature of the water you are changing into the tank, make sure it's within the same range.