Maybe I overlooked how simple it is to use a PH meter. I remember I had to get a standard (PH = 7.0) liquid and had the probe sunk in it at all time as the storage. But over time that standard liquid would be contaminated and had to be replaced. I tried distilled water as a calibration point of PH 7.0. It never worked that way. Any way, I will do more research about using a PH meter. I do have one with a very large meter (analog) on it.