PH issue

[Alenyc22]

My Ph is stuck between 8.2 and 8.7 and i cant seem to get it to stay down. Anyone know of any way to do this in a natural way and have it stay down?


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[fishchef]

What salt are you using? Have you used any dKH Buffers. I'd double check how you are testing?

 

[Alenyc22]

What salt are you using? Have you used any dKH Buffers. I'd double check how you are testing?[/

I haven't used any buffers. I use Red Sea for my water changes and i calibrated my PH probe on my Apex and its still showing the high PH


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[hegeh]

More surface agitation?

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[fishchef]

Have you used another method of checking pH to compare? What is your alkalinity by the way? Usually in the SW Hobby we are more concerned with dKH than pH.

 

[bertoni]

More aeration likely will help with any high pH problems, but 8.7 is high enough that it'd take a lot of Kalk or a similar high-pH supplement to reach that level. What's going into the tank?

 

[Alenyc22]

Nothing is going into it. At this point I'm not even dosing. I'm literally doing frequent water changes to see if it comes down but nothing is helping

 

[outssider]

8.7 is unnaturally high for not dosing anything. I suspect a measurement error. double check with a ph kit.

 

[bertoni]

That sounds like a measurement error. Personally, I wouldn't worry about it much. The only other possibility that's fairly plausible is poor aeration, which would allow photosynthesis to drive the pH up during the day, although 8.7 is suspiciously high. Are you using a pH meter?

 

[loudell]

Check the probe with 2 different pH calibration fluids. I am willing to bet at least one of them is off 3.00 pH or more and that probe will now fail a calibration...