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Old 03-20-2011, 01:47 AM   #1
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need help with nitrates

im running a 55 gal with 20 gal sump/fuge and cant get the nitrates to go down. im doing 10 gal water changes every other day to try and fight it but am not seeing it go down. i have 3 nems, 4 fish and just started keeping corals in the tank,should i do a bigger wc? as it is 10 gallons gets kinda close to half of the tank. or is ther something i can add to the water or run in the sump that will bring nitrate down? or should i just go for it and do like a 30 gal wc?

my readings today=
sg=1.025
ph=8.2
ammo=0
nitrite=0
nitrate=80

so how big of a wc can i do?
and how long should i wait in between doing them?
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Old 03-20-2011, 09:34 AM   #2
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I would do a 30% water change it the nitrates are that high... N u must find the cause of problem... I heard anemones discard waste for like three fish... N u say u have four aneno plus other corals n additional fishes.. I would say you have overstocked your 50g tank

But what type of filtration do u have?

Maybe u are over feeding?

Have u tested for phosphate?

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Old 03-20-2011, 09:42 AM   #3
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i don't think the anemones will produce that kind of waste unless you are feeding them.
what else is going on?
what are you feeding, and how often/much?
how are you exporting nutrients besides water changes?
any filter media, or components that can harbor detritus anywhere?
how about the rock, are you blowing it off with a power head before water changes?
sand bed?
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Old 03-22-2011, 09:13 PM   #4
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no filter media . im skimming in the first chamber of sump and have tons on macro algae in the fuge. i feed the nems once a month if i remember. and for feeding the fish its only every other day if i remember. how else should i export nutriants? oh i do use a filter sock but it get clogged i a few days and i have to clean it out.
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Old 03-23-2011, 09:15 AM   #5
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well, you have to find the source of the nitrates. could it be your source water?
meanwhile you could use vodka to bring the nitrates to an undetectable level.
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Old 03-23-2011, 02:25 PM   #6
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have you tested with a different liquid kit?are you using RO/DI water?
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