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Old 10-07-2014, 11:16 AM   #11
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The question is "Will too much oxygen in the tank hinders the denitrification process?"
That is a good question. I imagine it would have to but im sure the effects would be fairly small. Theres a fairly narrow range of acceptable oxygen levels in our tanks.
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Old 10-07-2014, 11:38 AM   #12
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We'll how can you make aerobics bacteria happy if the oxygen level in your tank is low?
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Old 10-07-2014, 11:56 AM   #13
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Anaerobic bacteria must be found underneath your DSB where oxygen is scarce.
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Old 10-07-2014, 12:54 PM   #14
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Now I'm beginning to understand why a thicker substrate is more desirable.
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Old 10-09-2014, 01:46 PM   #15
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Now I'm beginning to understand why a thicker substrate is more desirable.
Yes, if you want to rely/utilize the denitrification process in nitrate removal. Or you can rely on the simple fertilizer/plant growth method where little bits of algae grow and are eaten by herbivore invertebrates and fish and the poop is skimmed out. Or algae scrubbers and macro algaes are manually removed.

Then there is no risk of sulphates entering the denitrification process and creating deadly H2S gas.
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Old 10-09-2014, 02:30 PM   #16
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I agree, algae removal using a ATS is far safer than a deep sand bed.


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