What's the Best Bottled Water to Drink

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When experts rank water, they look at three things: Total Dissolved Solids (TDS), pH level, and source. TDS measures the minerals and salts—think of it as the water’s “body.” A low TDS (under 50) means it’s light and crisp, while a high TDS (over 250) gives it a heavier, more mineral-rich mouthfeel.

Then there’s pH. Neutral is 7.0, but most premium waters sit between 6.5 and 8.5. Alkaline water fans swear by the higher pH for “balance,” though science says your stomach acid calls the shots anyway. But hey, if believing your water is a source of zen helps you drink more of it, we’re not here to judge.

Spring vs. Purified vs. Mineral: The Big Three

Spring water comes from an underground aquifer and is typically bottled at the source. Brands like Evian and Fiji rely on their geological pedigree—montains, glaciers, volcanic rock. It often has a clean, smooth taste that feels almost nostalgic, like rain on a hiking trail.

Purified water is tap water that’s been filtered, distilled, or reverse-osmosed. Dasani and Aquafina fall here. They’re stripped of everything, then minerals are added back for taste. Critics call them “boring,” but fans love the neutral, crisp sip that pairs perfectly with coffee or a hangover.

Mineral water comes from a protected underground source and contains natural minerals like calcium, magnesium, and potassium. Think San Pellegrino, Perrier, or Gerolsteiner. It’s fizzy, sophisticated, and the closest thing to terroir in a bottle. Sommeliers pair it with food for a reason.