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Old 09-01-2010, 07:18 AM   #1
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PH ?

PH been 7.8 for last 5 days did part water change yesterday still 7.8 do I need to put a PH buffer in to rise the PH

Any help appreciated

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Old 09-01-2010, 07:35 AM   #2
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Welcome, first I need to know what the other parameters of your tank is.
SG. Nitrite, nitrate, temp. Ammonia And I also need to know how long has your tank beed setup. Did you cycle your tank? How did you cycle it. What type of sand and do you have live rock, how much? all this plays into how your PH is and how stable it is. Do not add any additives. 7.8 is not to bad and is just on the low end of a SW setup.
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Old 09-01-2010, 08:08 AM   #3
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Tank cycled for just over week live rock came from a 2 year established tank also added 2 lb of Live sand from said tank my parameters are:

Live rock :- 33 lb

Temp:-26 C
Specific Gravity: - 1.024
Salinity:-32.25
Ammonia:-0
PH:-7.8
Nitrite:-0
Nitrate:-15 - 20

Thanks
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Old 09-01-2010, 10:52 AM   #4
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Your pH is fine, although it is at the lower end of the acceptable range. When are you testing it? It is normal for the pH to be lower, around 7.8, in the AM before the lights come on and rise to 8.2 or so after the lights have been on a few hours.
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Old 09-01-2010, 06:04 PM   #5
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I was going to ask you to check the PH about an hour after the lights go out. I think you`ll see it around 8.2.
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Old 09-01-2010, 07:15 PM   #6
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Still only 7.9
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Old 09-01-2010, 07:19 PM   #7
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I meant an hour before the lights go out. Sorry. I would not worry even though on the lower end it`s still OK. Check it out right before the lights go out.
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Old 09-01-2010, 07:29 PM   #8
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Thanks will do maybe its something to do with the tank being so new
will check it again tommorow

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Old 09-04-2010, 06:02 PM   #9
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PH Again

My tank PH is ranging from 7.9 to 8.0 never going over 8
is this ok or should I be doing something my parameters are

Temp: - Just under 26 C
Specific Gravity:-Just over 1.024
Salinity:-32.25
Ammonia:-0
PH: - (Time 21.05):-8
Nitrite:-0
Nitrate:-20
Alkalinity:-Normal

Cheers brendan
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Old 09-05-2010, 10:34 AM   #10
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Everything looks fine. The salinity is a little low, natural seawater is 35ppt, but your fine at 32.35. Nitrate at 20 is OK for fish only or FOWLR, but should be closer to 0 if you plan on corals.
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