5. Reusable Bottles Aren’t Always Safe Either
Reusable bottles are generally better, but they’re not risk-free. If they aren’t cleaned properly or are left in a hot car, bacteria can still grow—especially in bottles with straws or lids.
How to Stay Safe
✔ Take water bottles with you when you leave the car
✔ Store water in insulated containers
✔ Use BPA-free, stainless steel, or glass bottles
✔ Avoid drinking water that has been sitting in heat for hours
The Bottom Line
Leaving a water bottle in your car may seem convenient, but heat can turn it into a health and safety concern. For your well-being, it’s best to remove water bottles from your car—especially during hot days—and keep your hydration safe and fresh.
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