What horrors grow within? Credit: Eyeem / Getty Images It takes a lot of grime for a reusable water bottle to look dirty. After all, it's usually just water in there. Bad news, though: If you're ...

Sometimes, I’ll simply forget and leave my dirty water bottle empty in my bag, which as you can imagine, makes it even more stinky over time. So, when I discovered these water bottle cleaning ...

Reusable bottles do however, need some care and attention, and you may have watched some TikToks recently which show just how dirty some can get… So, does your water bottle need a good clean?

called the solar water disinfection method (SODIS), in which water is put in transparent plastic bottles and left in the sun for six hours so heat and ultraviolet radiation can kill most pathogens ...