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Why is it a bad idea to reuse #1 plastic water bottles?

April 26, 2017bad bottles IDEA plastic reuse water

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Why is it a bad idea to reuse #1 plastic water bottles?

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The main reason has to do with bacterial contamination. The PET plastic used in #1 bottles is porous, so it absorbs flavors and bacteria that you can’t get rid of. There is also a concern that the heavy metal antimony can leach out of #1 bottles after they’ve been used for a long time (usually more than six months). This can trigger diarrhea and upset stomachs.