Fancy spring water vs. cheap tap water in a bottle? In heat, they both face the same plastic problems. Brand doesn’t protect you from thermodynamics. No amount of “mountain freshness” will stop chemicals from migrating when the sun is cooking your dashboard.
But here’s a fun irony: glass bottles are way better in heat because they don’t leach. But nobody carries glass water bottles to the beach, do they? (If you do, you’re either very fancy or very brave.)
What about the taste?
That weird, almost “plastic” or “metallic” flavor? It’s not your imagination. Heat accelerates the breakdown of the plastic lining, and those tiny particles can alter the flavor profile. It’s not harmful in small doses, but it sure ain’t pleasant.
Can Bottled Water Go Bad? | Open Video
Think of it like a wine that’s been left near the oven—the structure changes, but you’ll survive. Would you serve it to guests? No. Would you drink it if you’re dying of thirst? Absolutely.
