PH swings?
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Randy Holmes-Farley
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The swing is not generally the concern, rather it is the the extremes to worry about, and especially low pH end.
IMO, pH getting below 7.8 begins to be cause for doing something.
Can you describe the tank?
IMO, pH getting below 7.8 begins to be cause for doing something.
Can you describe the tank?
65 gal. 6 mo old. Mostly softies. Growth has been slow. Got Mt calc and alk dialed in recently.
Sal 1.025
Mag 1300 ish
Cal 420 red sea
Alk 9.3 hanna
Phosphates were 0 but now just detectable
Nitrates below 10
(Started red sea no3 po4 x)
I run carbon and gfo (offline now).
Coralline is starting to grow in small spots.
Randy Holmes-Farley
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If the Apex is recently calibrated, then you have elevated CO2 in the tank, which is probably from your home air. That is quite common. Many people do not bother measuring pH, but pH as low as yours may begin to be a concern.
There are many ways to raise pH, including just bringing in more fresh air with open windows if the climate allows.
This has more:
pH And The Reef Aquarium
http://www.reefedition.com/ph-and-the-reef-aquarium/
There are many ways to raise pH, including just bringing in more fresh air with open windows if the climate allows.
This has more:
pH And The Reef Aquarium
http://www.reefedition.com/ph-and-the-reef-aquarium/
Thank you, great article. I have noticed the ph goes up when the windows are open and drops when they stay closed. Could a sand sifting gobie digging under my rockwork cause ph issues too?
