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Old 05/11/2006, 09:34 PM   #1
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Join Date: Jan 2006
Location: Perth, Western Australia
Posts: 80
Kh & Ph levels for a reef tank?

Hi Everyone!
Can anyone please tell me what the correct levels should be for my Kh and my Ph?? At this moment my Ph is 8.0 and my Kh is at 9.

Are these levels ok for fish and corals ??


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Old 05/11/2006, 09:36 PM   #2
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Join Date: Feb 2006
Location: St. Petersburg, FL
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I keep my PH at 8.3 as for my KH I don't have any corals in my tank, so I don't monitor that at the moment, but waiting a test kit to come in the mail from Marine depot soon, As I am going to get some frags from a fellow RC member who is going to hook me up.


Current Tank Info: 75gal, LifeReef CLF1 Sump & SVS2-24 Skimmer
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Old 05/11/2006, 09:50 PM   #3
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my kh is around 10.2 and my ph is about 8.2. My tank is predominantly LPS and Zoos.

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Old 05/11/2006, 11:25 PM   #4
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That article talks about water parameters in general. Both the levels you mentioned are fine. The usually-quoted range for dKH is 7-11, and pH is okay from 8.0 to 8.5 or so. The tank's pH is often at its lowest in the morning before lights go on, so that's a good time to test.

Jonathan Bertoni
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