Here in MA, most of the tap water supplied by MWRA (many cities/townships) is pH 9-9.5. I think mine was closer to 9.6 last time I checked. I would think if the

Here in MA, most of the tap water supplied by MWRA (many cities/townships) is pH 9-9.5. I think mine was closer to 9.6 last time I checked. I would think if the water is indeed at fault in this case it's due to specific additives/contaminants, not the pH itself.