I either drink it all or I dump it and put fresh water in. What are the risks if I don’t wash it? It’s just me drinking out of it. I’m talking days and days like why ever wash it if it’s just me?
Edit: Clarified the amount of time without washing
In: 3181
I was getting nauseous for a few months before realising it was due to my unwashed water bottle. Do what you will with that information.
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