Your reusable water bottle holds 40,000 times more bacteria than a toilet seat, claims a new study

Produced by: Prashanti Moktan
Designed by: Mohsin

There has been a surge in the adoption of reusable bottles, be it for office, travel, gym or other daily activities as a more environment-friendly alternative to disposable bottles

Reusable bottles vs Disposable bottles

In this bacteria study by in the US, the company investigated the bacteria buildup inside a reusable water bottle 

Study on reusable
water bottles

For this study, different parts of the water bottle including the lid, spout or straw, were swabbed three times each. Researchers discovered the presence of two types of bacteria, gram-negative rods and bacillus

Bacteria inside
reusable bottles

Gram-negative bacteria can cause infections that are becoming increasingly resistant to antibiotics, while certain types of bacillus can lead to gastrointestinal issues

How these bacteria
cause harm

Colony-forming units or CFUs were measured to estimate the number of living microbes in a sample. Reusable water bottles had an average of 20.8 million CFUs of bacteria, with the most CFUs found in spout-top and screw-top bottles, that hosted 30 million CFUs

How dirty is your
water bottle?

In a shocking discovery, it was found that a reusable water bottle could hold 40,000 times more bacteria than a toilet seat

Bacteria inside water
bottle vs toilet seat

Check out how much more bacteria a reusable water bottle harbours when compared to a computer mouse, pet bowl or kitchen sink, as per the study

Bacteria inside water bottle
vs household items

More than 60% of respondents said they clean their water bottles once or more per day, but others weren’t so diligent. One-quarter of Americans washed their water bottles a few times per week while over 10% only cleaned them a few times in a month

How often do you clean
your bottle?

Experts recommend washing your water bottle once a day and sanitising it at least once a week

Sip, with caution!

Next: Money can buy happiness, says study by Nobel Prize-Winning Economist but there’s a catch!