Assertion: carbonated water | /r/HasAspect | a ph of about 5.5
Facets:
value: compared to bottled still water
type: OTHER
Source sentences:
text: The good news is carbonic acid is a weak acid, so a sparkling water, like Perrier or San Pellegrino, has a pH of about 5.5 compared to bottled still water, which has a neutral pH of 7.