You will find that during the day and after eating anything which may raise your pH , that your pH may run quite High, but the telltail sign of if your Alkaline Mineral reserves are holding up, is your first in the morn test !
The hydration or lack of it for your cells is regulated by your Sodium to the Potassium ratios!
If you are not retaining enough water, then you are eating foods which may be too high in Potassium!