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How to Sterilise Baby Bottles

How to Sterilise Baby Bottles

  1. Do the pre-clean in hot soapy water immediately after use.
  2. Know how to cold water sterilise.
  3. If you can, steam sterilise.
  4. Sterilise by boiling.


It’s always highly advisable to keep a supply of sterile baby feeding bottles on-hand. Due to the premium charged on baby merchandise on the high street, supplies are always much better value for money when bought in advance on the internet. There are such a vast range available so the only thing I’d advise is to target polypropylene models and brands as these are more resistant to bacteria.
Baby bottle

Steam sterilisers are by far the most convenient way of keeping on top of feeding equipment. Be sure to buy from a reputable brand as the seals on my first “cheaper” option quickly broke.
Steam steriliser

How to Sterilise Baby Bottles

Knowing how to sterilise baby bottles properly will help ensure that our baby stays healthy and germ free. There are 3 main methods but each have common mistakes that can easily be made, so be sure to be vigilant.

Photo Credit: Designlazy.com


1- Do the pre-clean in hot soapy water immediately after use. Clean the feeding bottle and teat in hot, soapy water as soon as possible after a feed using a clean bottle brush. Be sure to rinse with clean, cold running water before sterilising.

2- Know how to cold water sterilise. Some bottles come with sterilising equipment and so follow the manufacturer’s instructions to the letter. Leave the equipment in the solution for at least 30 minutes and replace the solution every 24 hours. Be sure to remove any air in the teet when submersing and keep the equipment under the water using a floating cover

3- If you can, steam sterilise. If you have bought a steam steriliser, be sure to properly follow the manufacturer’s instructions. It’s important to note that openings of bottles and teats should be faced down.

4- Sterilise by boiling. Firstly make sure that it’s safe to boil your equipment (teats get damaged quickly using this method). Boil the feeding equipment in water for at least 10 minutes, making sure that all items stay under the surface of the water. It is best to boil the equipment just before use.


Be sure to wash your hands thoroughly before handling sterilised equipment.

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