I think it depends on the water you have there. If you have hard tap water, it might be a problem, hard water has also higher Ph.
If you have soft water where you live, Ph shouldn't be a problem. If the water is really soft, you may have calcium and magnesium problems.
You can check this map https://water.usgs.gov/owq/images/HardnessMap.gif
But it's just orientative.