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![]() I should really read instructions before hand.
I only picked up ph7 solution for calibrating my pH probe. The probe read the solution as being 7.01, which I think is okay. Then I tried to use the same solution as the high and low solutions for calibrating. That didn't work. I figured since the probe was so close to reading the ph7 solution correctly that it would be trustworthy enough to use without actually being calibrated, so I popped it in my sump. 7.98 My API test always returns a value somewhere between 8.2 and 8.4. Could it really be that out? should I even worry about this until I get the ph10 solution? |