They are great, but what if you already have a reusable plastic bottle? Do you have to toss it? We've got some good news! You don't have to throw it away or relegate it to sitting at the back of the cabinet, you just have to be smart about when and how you use it. Don't let water sit in it for weeks and don't let it bake in the sun. For more tips on safely using your beloved plastic water bottle, check out our full list of tips.

Everyone has their favorite water bottle - a Camelbak with the chewy straw, or a new shiny S'well bottle, or the Hydroflask that keeps your drink icy for days. And, we know that reusable plastic water bottles have some perks- lightweight, see through, indestructible- but they also have one big drawback, the plastic. Plastics, even ones that are BPA free, are often made of chemicals that can seep into water and affect your health. So, that's where this big question comes into play. Do I have to (or should I) ditch my beloved Nalgene with all my stickers from travels throughout the years?

Our answer is - you don't have to pitch it, but it probably shouldn't be your primary bottle either. You can stop reading here and check our our roundup of a dozen glass and stainless steel reusable water bottles if that's enough info for you, or you can keep reading and well give you some tips and nuggets of info on why those tips will make a difference.

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