0 to 6.9: Acidic zone. Think vinegar, lemon juice, or your face when you bite a sour apple. Low pH water can taste tangy and may even corrode your plumbing.
7.0: Neutral. This is distilled water—basically water that went through a spa day and came out with zero drama. It’s fine for drinking, but a little boring.
7.1 to 14: Alkaline (a.k.a. basic). Baking soda is alkaline. So is seawater. Some people love alkaline water for its smooth, slightly sweet taste, though science says it probably won’t give you superpowers.
The "Acid or Base?" Joke
If you mix an acid and a base, they neutralize each other. Scientists call this a neutralization reaction. I call it the end of a very aggressive handshake. Just don’t try it with bleach and vinegar—seriously, don’t.