Here’s where it gets juicy. Did you know that most bottled water isn’t neutral? Dasani sits around 5.6—almost acidic enough to scare a lemon.
Rain used to be slightly acidic naturally. But now, thanks to pollution, acid rain can be as low as pH 4. That’s roughly the same as tomato juice, which means your car is getting a very aggressive bath.
And get this: your stomach acid is about pH 1.5 to 3.5. It could dissolve a razor blade. So when someone says “alkaline water is healthier,” remember your stomach just laughs and burns everything anyway.
How To Test Your Water For Ph at William Foxworth blog