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Old 07-09-2004, 02:04 PM   #1
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nitrate problem

i am still having nitrate problem after water change, what should i use to lower my nitrate, i am getting a reading of 160 and everything else is normal, at the min. level. i feed my fish twice a day in the morning and at night, i feed them variety of food. any help would be great
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Old 07-09-2004, 02:12 PM   #2
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We are going to need a huge amount more detail than that to give any meaningful answer!!

Tank size?
Skimmer?
RO/DI water for topoff?
Inhabitants?
How old is the tank?
EXACT water tests (not just "at the min" or "good")?
Qty. of Live Rock?
Other filtration?
Any chemicals added?
Recent changes?

All this is necessary to have any idea what's happening in your tank...

Andy.
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Old 07-09-2004, 02:27 PM   #3
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You're probably feeding too much by feeding twice a day...most people recommend once a day or once every two days

Andy is right that we need to see what else you have going on to determin the cause and help eliminate them.

Do you use a DSB?

Are you using a canister filter or bioballs...both will be big time nitrate factories
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Old 07-09-2004, 02:34 PM   #4
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Quote:
Originally Posted by ClamKnuckle
You're probably feeding too much by feeding twice a day...most people recommend once a day or once every two days
Not sure everyone will agree with this statement (I personally feed twice a day - always have, never had a nitrate issue). And, of course we'd need to know what type of and how many fish and also how much is being fed twice a day. A lot of fish prefer "small and often" versus "large and occasional".

Andy.
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Old 07-09-2004, 10:10 PM   #5
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Quote:
Not sure everyone will agree with this statement (I personally feed twice a day - always have, never had a nitrate issue

hehe...I said most, and I am just going by what i have read on posts here!
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Old 07-09-2004, 10:27 PM   #6
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How large is the tank, and what percentage of a water change have you done?
You might try a dose of Cycle, an additive containing bacteria that consume nitrates. Also, you should let us know what kind of fish you have...
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Old 07-15-2004, 07:51 PM   #7
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i have a 60 gallons, with a deep sea bed, a canister filter, a wet dry, a skimmer, 3 power head, about 13 small little demsels, 1 adult koran angel, 12 snails, 2 cleaner shrimps, 12 blue leg hermit, about 25% weekly water change, feed twice a day, light on about 12 hrs, the nitrate is costing red slim problem too, any more infor needed, i test the water, everything is perfect except nitrate is extremely high, my ph is at 1.018, i like to keep low to reduced fish problem.
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Old 07-16-2004, 11:16 AM   #8
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your ph is 1.018 or your sg is 1.018? I mostly hear of fish stores going lower than 1.021 to lower salt water costs...
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Old 07-16-2004, 11:39 AM   #9
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IMO 1.018 is fine for a FO tank. It's my understanding that the lower SG helps keep parasites in check. I have a LFS that has some tanks at .016... Takes around 3 hours to acclimate these fish to my tanks.
How often do you clean your wet/dry and canister. Bioballs will trap food and waste over time this will break down causing the high nitrate readings. Canister filter what do you have in there? If there is anything in there that can trap waste then you need to clean it.
Low water flow and lighting are other factors besides excess nutriants that bring about cyno. Good luck..
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Old 07-16-2004, 11:55 AM   #10
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The real question here is, what are your inhabitants? Lots of fish = lots of nitrates when all the ammonia and nitrite are broken down. Overstocking or stocking too quickly will lead to high nitrates. I should know, I had nitrates jump from 0 to 40 in as short as a week. My d*mn blenny and tang poops like mad!!! Good thing I feed lightly so they eat less and it also helps when they eat their own cr@p.

You can also cut down the feeding to twice or thrice a week. Your fish should be able to handle the lower amounts of feedings. They are a cold-blooded species and do not require as much food as we do.
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