Quote:
Originally Posted by ReefTron5000
I rescind the above question. Something is up with the BRS inline PH probe holder I'm using is. The readings didn't make sense to me so I turned off the Eheim pump and removed the probe. I collected some effluent water into a little vial and put the ph probe in that directly. It reads 7.7!
I'm not sure if the probe is not sitting right in the fitting or what. There is a little black pin that sits under the probe in the fitting. I think water is supposed to push up and around the probe. I think maybe its not working right and the probe isn't getting flow around it or something.
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Refer to my post #3210. I believe that you are having CO2 gas build up either in the T or at the probe holder. I think you would be better off to have the T placed in the vertical section of pipe going to your Eheim pump instead of the flat section at the top.