How often do my ph redox temp and conductivity probes need to be cleaned and calibrated
How often do my ph redox temp and conductivity probes need to be cleaned and calibrated
I periodically clean the probes and calibrate at the same time .... I renew the calibration liquids every year.
Clean and recalibrate probes approx every 6 - 8 weeks.
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Note: I am not GHL staff!
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