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Unread 01/24/2018, 05:36 PM   #100
Tripod1404
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Join Date: Mar 2016
Posts: 1,821
Quote:
Originally Posted by bertoni View Post
I think you meant, "an aquarium is not a closed system"?

I agree that nitrogen gas is just one path out of the system for nitrogen. Skimming bacteria or bacterial output both could be important. I have read differing opinions on which is more likely in the skimmate.
Yeah not a closed system


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