Morning

Can someone be kind enough to tell me how to program a Profilux on some simple logic?

I have the Maxi Doser as my ATO pump, controlled with a float and a virtual socket which turns it on and off as required. I also use my ATO reservoir to dose Kalkwasser so would like to program a safety measure whereby it does not turn on the pump if the pH is over 8.4 (i.e. too much Kalk is being dosed, perhaps sludge)

It hasn't happened so far, even when the ATO is right at the bottom, in about a year but I'd like the safety net all the same.

Many thanks
Scott