Daily Mail - How sparkling water is wrecking your teeth:

Gas in the drink is more acidic than wine, fruit juice and even VINEGAR, dentist warns
Adam Stone, a dentist in Harley Street, warns fizzy water is extremely acidic
With the same pH as diet cola, the bubbles erode your tooth enamel over time
Here we explain why - and offer tips on how you can combat the dreaded effects
t's considered the virtuous option compared to other fizzy drinks and often more refreshing than bog standard still water.
But sparkling water is not as harmless as most of us think – and is actually more acidic than wine and vinegar, a dentist has warned.
'Most people have no idea that fizzy water is extremely acidic, it's pH3 on the acidity scale' says Adam Stone, a dentist in London's Harley Street.
'The bubbles erode your tooth enamel – and over time this causes painful, yellow cracked teeth.'
With pH7 being neutral, the figures make alarming reading:

Carbonated drinks (e.g. sparkling water or diet cola) pH 3.0
Juices & smoothies (e.g. apple juice) pH 3.4
Wine pH 3.6
Salad dressing (e.g. vinegar) pH 3.6

Indeed, Mr Stone, from the Harley Street Dental Studio, claims he has seen a three-fold rise in people suffering from acid damage in the last 10 years.................