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Mark,

The pH reading provided by the KHD is irrelevant to your tank's actual pH. The pH value provided is only for diagnostic purposes as mentioned in the text below.

If you're doubting the KH...

Hello Mark,

Our 3-part video shows you exactly what to do from the moment you take it out of the box. Follow these videos and you'll be doing your first test in little time....

If you do not see the KH Director as a selectable option in the PROBE/SENSOR CONTROL category, your Standalone doser may be in need of a firmware update.