They said “the water doesn’t have an expiration date, the plastic bottle does” so how come honey that comes in a plastic bottle doesn’t expire?
In: Chemistry
Plastic that is in sunlight does have a relatively fast “expiration date”. What happens is sunlight hits the plastic, destabilizes it and causes what are called plasticizers to leach into the water which will give it the plastic taste, as you are likely drinking minute amounts of microplastics. If properly stored, the shelf life of water bottles is likely extremely long.
This does not happen which thick walled plastic bottles such as reusable nalgene bottles as they are made of a different type of plastic that is not nearly as likely to emit the plasticizers.
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