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
To add an extra question, what if you avoid touching the lip of the bottle and let it flow into your mouth?
Obviously clean your bottle, but if you just cycle water through it again and again, how long would it take until it gets dangerous?
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