Ph

[tank]

Originally Posted by fiorano

does that mean i have to buy more of that high-low calibration solution stuff or is there some diy way someone knows?

you need to buy PH 7 and 10 buffer to recalibrate your probe. and there is no DIY for it, every time you do a reset on your controller you need to recalibrate your probe
because after the reset, all settings return to the original manufacture settings.