ORP and pH Change

drw94

New member
I posted a thread the other day stating I have discontinued ZEOVIT. I have noticed a change in my ORP and pH reading. While on zeovit my pH ran 8.0 to 8.3, and my ORP barely reached 310. Today I notice and also checked the trend on my Apex , my pH has averaged 8.1 to 8.4 and ORP has climbed up to 380. So far I am only skimming and dosing BRS 2 part. I haven't started GFO/GAC yet. I would have thought the reading would be reversed. I have no explanation for this, maybe someone who reads this will. Have a Great XMAS.
 
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