Hi everybody would love to consult with you guys I recently installed my first dos ump and doing that I organized my wiring and remounted my Apex as well As re-locating my probe rack in my sump ever since reconnecting my pH probe is way off I calibrated it by the book and even bought new pH buffers of seven and 10 The calibration process goes well but after calibrating does not show the real readings I checked the probe in itself and even cleaned it with Hannah‘s multipurpose probe cleaning solution and recalibrated and still the readings are off hich left me no choice but to buy a new Neptune ph Pro from the authorized importer of Neptune systems I got the probe in a box but the probe was dry and had white crystals growing on the Probe tip I have also noticed that the probate sale does not look Like the pH probe I have on my Apex and the manufacturing date is May 2015 should I give back the probe should I soak it in buffer solution what should I do?
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