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ph lowest and highest
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davser View Drop Down
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Joined: October 21 2010
Location: salt lake city
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    Posted: November 14 2010 at 11:53pm
is it true that the ph changes depending on the time of the day?
It's not about what you know but about who you know
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SGH360 View Drop Down
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Joined: April 04 2010
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Yup its because of Gas exchange. Thats all i know
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MadReefer View Drop Down
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Points: 1965 		Post Options Post Options   Thanks (0) Thanks(0)   Quote MadReefer Quote  Post ReplyReply Direct Link To This Post Posted: November 15 2010 at 12:20am
Algae in the tank, in corals and all over even if you don't have macro, will release carbon dioxide and take in some oxygen after the lights go out. This will lower the pH. CO2 can also be higher in the winter time and lower the pH, so it's good to have a power head moving the water to the top of the tank and creating some ripples. This and other water to air contact can help gas exchange and stabilize this.
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