Aluminum is that friend who looks cool but has a secret. It’s light, it’s durable, but it’s often lined with plastic. Yes, most aluminum bottles have an epoxy lining inside to stop the metal from reacting with your water. And that lining wears out in 2 to 4 years.
How Long Does Water In Plastic Bottles Last | Detroit Chinatown
Once the lining cracks, your water tastes like a tin can. Actually, it smells like one too. If you notice a metallic odor, that’s your cue to replace it. Aluminum bottles themselves can last longer, but the tasteless experience? Gone.