According to my apex my ph is 7.69 yet my Hanna checker shows 8.6+
And yes I have a bunch of calibration packs and have calibrated my probe once a month for the last 4 months yet it shows my ph is pretty low(my opinion)
Any thoughts?
And yes I have a bunch of calibration packs and have calibrated my probe once a month for the last 4 months yet it shows my ph is pretty low(my opinion)
Any thoughts?