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Old 02-11-2012, 09:13 PM
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Quote:
Originally Posted by whatcaneyedo View Post
You were half right. At night the system reverses and oxygen is used up which can lead to the die off of phytoplankton and the consumption of even more oxygen as the algae decays.
Thanks for the clarfication and correct to my post. I'm going to have to read and refresh my biology.
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