I am having a problem lowering my PH level. It is currently at 8.4 which is way to high. Alkalinity is high also ( Test strips say 300ppm+). These are parameters that come out of my tap water. My city gets their water from an underground aquifer.
I have been adding Muriatic Acid and it will drop to 8.2 - 8.3 but the next day it is back up 8.4. I am slowly adding the acid as I have fish in t…