That’s one of the things I like about using blumats. The only time my pots get soaked is when I first setup the blumat system. After that the pots only get replenished with the amount that was used/evaporated which is usually about 1-1.75 liters a day.I think that depends on how much you are feeding and the soils ability to mitigate that pH difference. If you are giving a plant 100ml of whatever then the pH is not going to matter. But eventually you soak the pot. THAT is where I think the pH matters. Even if it is just a few drops of up or down to get it heading in the right direction.