Hi

Can anyone help?

I want to do the following with my auto top up:

level sensor 1 on = timer X between 8am and 8pm fill up from dosing pump 1 (fresh water)
level sensor 1 on = timer X between 8pm and 8am fill up from dosing pump 2 (kalk water)

if ph < 8 for X hours take one dose from dosing pump 3 (buffer solution)

Unless anyone can offer a better alternative, this is just an intial thought.

Really appriciate your help!

Thanks