rising ph, how to resolve?
My ph phrobe is reading 8.53 in the am, and goes up to 8.8 in the late evening. Seems a bit high. How can i resolve this issue of a high ph? Or is it a concern?
HK 7.5
Cal 400
mag 1250
Sal 1.025
Last edited by Douglas; 09-22-2015 at 10:44 AM.
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