How Should You Clean Your Stainless Steel Bottle?

  • By: Claire
  • Date: April 26, 2022
  • Time to read: 3 min.

Washing your stainless steel water bottle and looking after it is something you want to do if you want it to last you for many years.

Stainless steel water bottles can still be a potential breeding ground for illness-causing bacteria, mildew, fungi and mold. These nasties cause allergic reactions, respiratory problems and other health related concerns. So cleaning your water bottle is not optional, it’s necessary.

It is important to clean stainless steel water bottles in order to prolong its life, beauty and reusability. Needless to say, a clean reusable water bottle is indeed safe to use and prevents bacteria from thriving.

Leaving your stainless steel water bottle dirty for days could subject it to rusting, discoloration and water residue build up which could harden especially for areas where hard water is present. Moisture is also a bacteria’s favorite environment. Moreover, adding sugar and dairy products into your coffee could lead to gunk build-up which could potentially lead to food poisoning.

Mouth openings vary from one water bottle to another. This is the part of the water bottle that you want to clean regularly because it’s where you put your mouth. Small mouth openings are a bit harder to clean than those with wider openings.

Here are some ways on how to clean stainless steel water bottles:

Warm soapy water

Cleaning stainless steel water bottles is actually very easy. You may just need to fill it with warm soapy water and give it a good shake. Do this repeatedly and empty the contents. Wash with warm water and air dry by placing it on a drying rack.

Some new stainless steel water bottles will give off a metallic taste. Don’t be alarmed because this is normal. Use a warm soapy solution to soak and rinse in the morning after.

Cleaning brush

A cleaning brush is a very handy tool for cleaning your reusable water bottles, not just stainless steel ones. This is very ideal to use for water bottles with narrow openings.

Fill your water bottle with warm soapy water, insert the cleaning brush and start scrubbing gently. Most stainless steel water bottles will never bear scratches from the brush because they are polished and sturdy.

If you are looking for the perfect cleaning brush, the Eco Coconut Bottle Brush is highly recommended. The bristles are made from coconut husk which is known for its natural antibacterial properties. It’s 100% plastic-free which makes it eco-friendly.

Sponge and scourer

If you do not have a cleaning brush, you could use either a sponge or a scourer. These can be used to clean the lids, caps and other accessories such as the silicone ring seal.

Usually, stainless steel water bottles would have a screw-on top lids. The mouth opening could also have ridges so it is very important to use a sponge or scrubbers. Doing so ensures whatever is cling onto it will be totally removed.

Baking soda or vinegar

Stainless steel water bottles usually do not have any strong odour but when they do, don’t panic. Simply mix lukewarm water and baking soda or white vinegar then pour it inside your water bottle.

Baking soda and vinegar are effective household cleaning agents that prevent and remove odor. Simply fill the bottle with hot water and baking soda. Leave it overnight then rinse the following morning. If baking soda is not available, use vinegar instead.


Using the dishwasher is probably the easiest and most convenient way to clean a stainless steel water bottle. You can do this by simply placing the bottle upside down. Make sure that you remove the lid first prior to putting it inside the dishwasher.

Other accessories such as the straw can also be placed inside separately. However, it is necessary to read the label. Some stainless steel water bottles are not dishwasher-safe. This is pretty common among water bottles that have coatings and insulation.

Remember to keep your stainless steel water bottles clean and dry. They are expensive and you have invested in it to be able to use it for a longer period of time. Cleaning and washing it can prevent disease-causing bacteria.

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