How to Clean an Avent Steam Sterilizer

Written by shannon cate
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How to Clean an Avent Steam Sterilizer
Keep your baby healthy with sterilised bottles. (baby feet image by Robert Kelly from

A sterilizer is a helpful item to have when feeding your baby. If you don't use an automatic dishwasher, or if your automatic dishwasher doesn't include a sterilising option, it is especially useful to have a separate sterilizer to ensure your baby feeding supplies are clean and free of germs that could make a baby ill. Sterilised bottles and other feeding supplies are important.

A sterilizer using steam will, over time, accrue a build up of "scale"---the minerals left behind when water evaporates. Keeping your sterilizer free of scale will keep it functioning at its best for many years.

Skill level:

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Things you need

  • 992gr of vinegar

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  1. 1

    Unlpug your sterilizer and be sure it is completely cool. The sterilizer should be empty of all bottles or other items when you clean it.

  2. 2

    Mix about 103ml of plain, white vinegar with about 198gr of cool water. Distilled water is best, but tap water works, too.

  3. 3

    Pour the vinegar and water mixture into the sterilizer. Allow it to stand until you see that the scale build-up on the sterilizer has dissolved.

  4. 4

    Drain the vinegar and water mixture and rinse with pure water. Wipe dry.

Tips and warnings

  • For most effective functioning, your sterilizer should be cleaned at least every four weeks.
  • To prevent scale build-up in the first place, use only distilled water in your sterilizer.
  • To prevent possible burns, make sure your sterilizer is off, unplugged and cool before cleaning.

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