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Old 02-09-2005, 02:21 AM   #1
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Stalled Cycle?


I've been in this hobby for about a month now but thanks to sites like yours, I feel like my little fishies are getting the care they need. I have 3 - 10 gallons + a 20 gallon + am about to purchase a 29 or 55 gallon very soon.

My tanks have been running with fish for 3.5 weeks now. My 10 gallons are all cycled (0 ammonia 0 nitrites 10ppm nitrates). Strangely enough my 20 gallon seems to have hit a plateau. It isn't severely overloaded or anything - it has very small juvenile fish including a rainbow shark, a guppy, 5 fast-growing guppy fry, and recently I added 2 yoyo loaches + an otocinclus. The last 3-4 days, I've tested with the same parameters (0 ammonia 2ppm nitrItes, 10ppm nitrAtes).

I added another filter (it was running an aquaclear mini and I added an Aquaclear 30), improved aeration with an airstone + air pump, added cycle + stresszyme, did 10% and 25% water changes the last 2 days respectively, and even did a little gravel cleaning + filter floss cleaning today b/c as a doting parent, I tend to overfeed the fry.

Any advice? I didn't want to clean the gravel before the tank cycled or do so many water changes but I don't want any casualties due to high nitrites. Any suggestions would be much appreciated.

As for my next tank, how difficult is it to move a fully stocked 55 gallon? I might move soon in the next 6 months so should I just stick w/ what I have until then, or would a 29 gallon be OK? I don't want any of my babies to die due to stress + moving. Thanks in advance.

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Old 02-09-2005, 02:09 PM   #2
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The low bioload prob means low levels of NO2 production, so it takes longer to cycle. (When I did my original cycling & keeping NO2 at 2 or less, it took 2 months to get the 2nd phase established!)

Since you have a cycled 10, why not get some stuff from it (best is a used filter, or at least the gunk from the filter) & seed your 20's filter. That should kick start the cycle.

Re: move - how far are you moving? Not too bad just down the street ... major expedition if going across country!
80 gal FW with 30 gal DIY wet/dry/sump.
9 fancy golds, 1 hillstream loaches, 1 rubber-lip pleco (C. thomasi), 3 SAEs, small school of white cloud minnows, planted.
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cycle, led, stall

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