Temperature for a cycling tank

DebbyS

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Sep 19, 2006
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I'm cycling a new glass 10-gallon tank with plants (mostly anarchis, two amazon swords, a java fern, some hornwort & some water sprite, all rather small), as well as rocks, gravel, HOB filter, prime, and some snails. No fish, because I did a fish cycle on my 6-gallon in August and while 2 out of 4 of the H&T Tetras survive to this day (plus another H&T & two black neons), I realize now I really put a strain on 'em. So I'm trying to be patient with tank #2.

The ammonia in the new glass tank was down to 0 by Sunday morning (after it being set up for a week), but the nitrates were and remain sky high. I know cycling will take time, but I'm wondering if I should put in the heater I got for the tank. Ambient air at this mild time of year has been keeping the tank at a consistent 75 degrees. If I put in the heater and up the water to, say, 78 to 80, would that please the bacteria and make converting nitrite to nitrate easier for them? Or should I just sit back and try to figure out how that one redish snail got air in his/her shell so that she keeps bobbing up to the surface and floating around on her back until she finds something to grab on to? :joke:
 
The temp you are at is fine. It would not make much of a difference if you added the heater at this time or not. Basiclly you just need to sit and wait for the cycle to finish itself. It could take a few weeks to a couple months depending on different factors.

So the choice is to sit and watch that snail...:joke:
 
DebbyS said:
I'm cycling a new glass 10-gallon tank .........

......The ammonia in the new glass tank was down to 0 by Sunday morning (after it being set up for a week), but the nitrates were and remain sky high.
Correct me if im wrong, but doesnt 0 amonia and presence of nitrate mean the cycle is done? (unless you are dosing nitrate fotr the plants)

To answer the initial question of the post though, temperature will speed up the cycle, but in the few degrees you would get from adding a heater, it wouldnt make much of a difference.
 
ammonia zero and high nitrAtes, or

ammonia zero and high nitrItes?
 
Sorry! Hi nitrItes! That's what I get for typing on the fly... They're still high this morning. Oh, well, patience is a virtue!

However, my LFS finally got in some new plants. While maybe I shouldn't add more, it's taken the store weeks to get new plants in, so I'm likely to visit them after work and pick up some more if I see any I like. Currently the cycling tank is medium planted and I think I can fit in a few more, which will be good in the long run if I decide to get a Betta to keep some not-yet-bought-either black neons company. They can hide from each other. Good thing it looks pretty now without fish since I may not be able to add any for a long time. Snails don't move at a snail's pace, do they? The float-happy red one (about the size of a pencil eraser) is still cleaning along, which is good since I'm in the "that sure seems to be a lot of green algae it makes me nervous" stage...
 
Higher temp will speed up the cycle. Plants may not like it as warm as you can otherwise make it. I have always done fishless planted cycling at about 85 degrees and then lowerd the temp when the cycle was complete.
 
Lucky... I have had the tank going for three weeks now, and STILL no hint of NitrItes. Just give it time.

You do need to keep dosing with some Ammonia or the Ammonia-eating colonies will die off while you are waiting for the NitrIte eating bugs to get going.

SirWired
 
I read some where that fishfood flakes could be added to a cycling tank to give some ammonia. I soaked some flakes over night and added the water (just a tablespoon or so) this morning; I didn't want to add the flakes themselves to avoid having to clean them up later. I'll check tonight if that made any difference at all (probably not, too little). The snails will be, um, defacating (I once saw a snail with a tiny trail of poop from the interior/center of its curling shell, very funny!), but there's not much ammonia production there -- not nothing, but not much at the moment. We're due for cooler, wetter weather by the end of the week (in time for the Hot Air Balloon Fiesta, yikes!), so I'll probably put my heater in if the water temp drops below 75F. The idea that too-high temps might hurt plants does not appeal, but maybe a rise to 80 will be okay. Eventually I'll have fish in there and that will really balance things out.
 
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