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Old 04-24-2014, 08:29 PM   #1
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Nitrate problem

I am constantly fighting a high nitrate problem. I've cut back the feedings to once every other day but it still goes from 10 ppm to 100 ppm in a few weeks. The tank had been running for a year now and this has become a lingering issue. Any ideas?
I have a HOB power filter and a canister. The tank is 75G but I don't have a protein skimmer. Help
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Old 04-24-2014, 08:34 PM   #2
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What is your livestock list, how many gallons are your water changes?

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Old 04-24-2014, 08:56 PM   #3
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what do you have running in the canister filter and how often do you clean it? also running a protein skimmer can help as well
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Old 04-24-2014, 09:02 PM   #4
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I think I'd get rid of the canister and add a couple power heads. Depending on how much rock you have

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Old 04-24-2014, 09:34 PM   #5
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What is your livestock list, how many gallons are your water changes?

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Foxface, royal gramma, two blue/green chromis, coral beauty angel, maroon clown, golden sleeper goby.

20G water changes.
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Old 04-24-2014, 09:38 PM   #6
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How often on changes? When I had my 75, with 2 HOBs I was doing 30g every 2 weeks and still had trates above 10
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Old 04-24-2014, 09:39 PM   #7
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what do you have running in the canister filter and how often do you clean it? also running a protein skimmer can help as well

Chemipure elite, purigen, bio-chem stars, two biofoam pads in the bottom and the two pre-filter pads. Clean every few months. I think adding a protein skimmer is my next addition.
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Old 04-24-2014, 09:40 PM   #8
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Nitrate problem

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I think I'd get rid of the canister and add a couple power heads. Depending on how much rock you have

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I have two maxi jet power heads. One on each side of the tank pointed at each other. With 65lbs live rock.
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Old 04-24-2014, 09:44 PM   #9
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Unless you have 1.5-2 lbs per gallon, id keep the filtration you have and add a skimmer. Probably need to clean the canister more often, do larger mpre frequent water changes, feed less to get your nitrates in check.
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Old 04-24-2014, 09:45 PM   #10
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How often on changes? When I had my 75, with 2 HOBs I was doing 30g every 2 weeks and still had trates above 10

Once a month 20 gallons.
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