The global sparkling water market is expected to hit over $70 billion by 2030. That’s a lot of fizz—and a sign that we’re collectively ditching soda. Smart move.
In Japan, “carbonated water” (炭酸水, tansansui) is often sold in vending machines alongside plain water. It’s considered a low-key luxury, perfect for pairing with salty snacks or a midday mental reset. Yes, they have vending machines for almost everything.
Here’s a surprise: The bubbles in both seltzer and sparkling water undergo the same chemical reaction—CO2 dissolving into water to form carbonic acid. That’s why they both have that slightly tangy bite. Science, baby.
