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Geoff Cysouw

nitrate problems

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I'm having an issue with cloudy water. It looks like my fish are swimming in milk. All of the water levels are good except the nitrate. It's off the charts. I have a canister filter and a mechanical filter on the tank. I used the same system last year with no problems. The fish (3) summer in a pond and winter in the tank. But this season almost from day one the water has been cloudy. The fish seem healthy and normal. Any ideas?

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Hi

Just how high is the nitrate?

How big is the tank?

How often are you doing waterchanges and how much?

 

Welcome to kokos :)

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It's a 75 gallon tank. I do bi-weekly water changes of 25% volume. The nitrate level is HIGH. I'm thinking that I might not have enough oxygenation going on via surface agitation to help eliminate the nitrogen, so I readjusted the filter outlet for more surface movement. 

20200213_113033.jpg

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My suggestions.

1. Test your tap water. See if it has nitrates in it.

2. I would do bigger water changes.

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Im not sure if biweekly means twice a week or once every two weeks,

 

But either way I agree with Koko, I would do at least 80% a week wc and test the tap water to see if there is nitrates in it

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