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  1. Home
  2. Better Life

How often should you clean your water bottle?

The answer may surprise you. - by Lucy Bode
  • 16 Aug 2019
How often should you clean your water bottle?
Getty

If you’ve clicked on this story, it’s safe to assume you’ve invested in a reusable water bottle. Mad props, btw: skipping single-use is a super simple (yet effective) way to reduce our carbon footprint.

But as great as they are for the planet, they’re not so fab for our health – that is, unless you wash them regularly. Kinda problematic considering most of us rarely do. Speaking with Reader’s Digest, microbiologist Dr Miryam Z. Wahrman put this down to a false sense of security: because the bottles carry water, we think they’re always clean.

The fact of the matter is, germs thrive in moisture. And often when we sip we have traces of food in or on our mouths that then seep down to the remaining liquid inside. So the next time we take a swig – be it an hour or 24 later – we’re chugging back all that not-so-nice bacteria too.

Water bottle in pink bag
Getty

It gets worse: these microbes multiply in stagnant water, especially when exposed to heat (e.g. when left in a hot car or at the bottom of a gym bag.)

“Contaminated water bottles can transmit pretty much anything you can catch from casual contact with another person,” Wahrman adds. This includes colds, flu and other less common infections. “That’s not to say that every germ you encounter will make you sick, because we have immunity and other barriers to germs, like our stomach acid, for instance, that kill microbes. But being exposed needlessly to unknown microbes could increase your risk of disease.”

Permission to freak out, granted.

But seriously, how often do we *actually* need to wash our water bottles? Warhman reckons at least once a day. Empty it before bed (never “top it off” by mixing fresh water in with the old stuff), clean it thoroughly with detergent and water, and refill. Simples.

This article originally appeared on Women's Health

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  • Health
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Lucy Bode
Lucy Bode
Lucy Bode is a writer, social media guru and resident woo. A long black lover and foodie at heart, she considers peanut butter an hourly staple and believes chardonnay is the superior drop. When she's not at the beach, barre or yoga studio you'll find her coming up with new and improved ways to kill her unkillable houseplants.

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YOU’LL NEED A WEDGE TO HANG THAT DOOR
Watch 6:32

YOU’LL NEED A WEDGE TO HANG THAT DOOR

{headline}

{headline}

12 of the best floor mops for tiles, laminate & wooden floors

12 of the best floor mops for tiles, laminate & wooden floors

26 things to throw out before the end of the year

26 things to throw out before the end of the year

How to deep clean your home like a professional

How to deep clean your home like a professional

Study finds hand sanitiser isn’t as effective as we thought

Study finds hand sanitiser isn’t as effective as we thought

{headline}

{headline}

This is why you 100% need a top sheet on your bed

This is why you 100% need a top sheet on your bed

5 cleaning mistakes everybody makes

5 cleaning mistakes everybody makes

5 things that make your kitchen look messier than it is

5 things that make your kitchen look messier than it is

{headline}

{headline}

32 things to clear out of your kitchen before Christmas

32 things to clear out of your kitchen before Christmas

6 things you need to know about your kitchen sponge

6 things you need to know about your kitchen sponge

4 things you should never clean with a Magic Eraser

4 things you should never clean with a Magic Eraser

5 spring cleaning hacks that will save you time

5 spring cleaning hacks that will save you time

7 cleaning mistakes everybody makes in their bathroom

7 cleaning mistakes everybody makes in their bathroom

12 clever ways to prevent clutter

12 clever ways to prevent clutter

Why you should never put washing up detergent in your dishwasher

Why you should never put washing up detergent in your dishwasher

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