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Old 07-26-2006, 10:55 PM   #1
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High Nitrates!!

Hello all!! I'm a few weeks into cycling my tank and my nitrates are are at 20 ppm. I'm not sure what I should do. Here's my set up: 29 gal oceanic, Penguin Bio-wheel 200 filter, Prizm ps, 1 powerhead, 30 lbs ls, 35-40 lbs of lr. I let the tank sit with live rock and sand for a week then added a few inverts, a few scarlet reef hermits and astria and nassarius snails. There was a minimal ammonia and nitrite spike after the first couple of days, but since then my ammonia and nitrite have been 0 ppm. about a week after adding inverts with no changes. I added a couple of damsels a week later. That was a few days ago. Now my nitrates are at 20 ppm. I realized that i was feeding too much (twice a day). I cut back to once a day, with no change in nitrates. I also noticed that I had adjusted my skimmer too low, so I turned it back up. Should I wait and see if the skimmer adjustment helps? I'm hesitant to do a water change since what I've read says that I shouldn't change it while cycling. What do I do??? Sorry for the long post.
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Old 07-26-2006, 11:19 PM   #2
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When the ammonia and the nitrites test at zero and the nitrates test for something other the zero the cycle is done.Your tank is cycled.

IMO change some water...and cutting back on the feeding was a good idea...many feed every other day fwiw.
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Old 07-26-2006, 11:35 PM   #3
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Thanks for the reply! Would I be ok to change about 5 gal or should I change more on the first time? And would it be ok to add a little kalk to the water when I change it?
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Old 07-27-2006, 12:09 AM   #4
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Since you already added fish, dont change too much at once. Change 10% - 20% per WC. I've never used kalk so i don't have the answer to the 2nd question
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Old 07-27-2006, 10:24 AM   #5
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Quote:
many feed every other day
I feed mine every other day, no problems.

The spike in nitrates should be the beginning of the end of your cycle. I would not have added anything to the tank that was living, but just watch your critters and water parameters.

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Since you already added fish, dont change too much at once. Change 10% - 20% per WC.
Sound advice there.

With consistant PWCs, you shouldn't have to use any additives to your tank. It is suggested that you not dose your tank if you don't have the test kit for it.
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Old 07-27-2006, 11:36 AM   #6
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I have pods that I can see crawling around in my tank! But I also seem to have these little white spots on my tank. A little bigger than the pods I can see crawling around and they don't seem to be moving??? Anyone have any ideas?? I don't have any pics, but they're quite small. Also, I'd like to get some opinions on whether or not I should remove my bio wheel from my filter?
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Old 07-27-2006, 11:39 AM   #7
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IMO, the bio wheel is the root of your NO3 problem. Yes you should remove it
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Old 07-27-2006, 12:08 PM   #8
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What about the little white things??? Should I be worried?
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Old 07-27-2006, 12:21 PM   #9
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If they are on the glass and look like little starfish they are hydroids (sp?) and will eventually die off.
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Old 07-27-2006, 12:35 PM   #10
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They don't seem to look like any hydroids I've seen photo's of. I can barely make out their structure, but the look almost transparent with what looks like sand in them. I am truly at a loss on this one! Thanks for the reponses guys!!
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