Do filter water bottles really work?

When deciding which reusable water bottle to choose, you’ll often see filter water bottles pop up as an option. They promise clean drinking on the go, and keep you away from those nasty plastic water bottles that are clogging up our oceans and causing all kinds of health problems in the people drinking from them. They’re a great alternative to the single use plastic water bottle, but how do they stand up next to an eco-friendly stainless steel option? We’re taking a look…


Filter water bottles pros 

Unfortunately a lot of water that is available to us is still full of chemicals and pollutants. Whether you’re drinking tap water or bottled water, there can be all kinds of nasty chemicals that you don’t want in your body. These can include BPA’s, Chlorine, Fluorine, Pesticides and Nitrates. 


The major advantage of a filter water bottle is that it can filter through all of these yucky compounds and clear your water. This means that you can drink as much water as you like, safe in the knowledge that nothing suspicious is going into your system.


Some of the popular filter water bottle brands to check out are

  • Brita 
  • LifeStraw 
  • SurviMate 
  • Astrea 
  • Sawyer

Filter water bottle cons

The advantages of filter water bottles are that they keep people away from single use plastic, which is a big win for the environment. Plus, they keep your water much cleaner than other options. 


However, there are also disadvantages to drinking from a filter water bottle and these are mainly to do with their look and feel. They have to harbour all of that filter technology within the bottle, and this means that they are often bigger, bulkier and heavier than your average water bottle. They also normally have less variation - they are more of a practical option than something you will love because of its aesthetic. Plus, you have to drink through a straw, which is a big no for many people.

The main disadvantages of a filter water bottle are

  • Weight and size 
  • Drinking through a straw 
  • Water bottles with filters are often smaller 
  • Not as pure as a tap water filter


Filter water bottle vs tap water filter

Tap water filters are a popular alternative to filter water bottles and bottled water, and could even be healthier for us. When compared to ordinary tap water, filtered tap water contains less chemicals and nasties that you don’t want in your system. In fact, a study by The Environmental Working Group found 38 contaminants in 10 popular brands of bottled water, including disinfection byproducts, industrial chemicals, arsenic, fertilizer residue and pain medication.  

Although bottled water is often hailed as the cleanest, a recent study found that this isn’t always true. Bottled water often slips by with more relaxed standards and regulations. A study by The Environmental Working Group found 38 contaminants in 10 popular brands of bottled water, including disinfection byproducts, industrial chemicals, arsenic, fertilizer residue and pain medication. Not ideal!

So yes, if you’re looking for an alternative to tap water and filtered water bottles then a tap water filter is your next best option. A great combination is using a tap water filter and then popping your clean water into a stainless steel water bottle. This way you get all the benefits of filtered water, plus a larger, more aesthetically pleasing water bottle that keeps your drink fully insulated.   


Shop our full range of water bottles now to discover your new favourite reusable drink holder. Plus, check out our article on different drink bottle types for more information. 

Coty | Greens Steel Wellness Contributor  Pennsylvania, USA


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