How to Sterilize Equipment

Follow these step-by-step instructions to sterilize equipment.

What you need for preparing formula

The following items need to be sterilized for formula preparation:

  • Large pot with lid
  • Bottle brush and nipple brush
  • Tongs
  • Knife
  • Fork
  • Can opener
  • Glass measuring cup

If using glass bottles

  • Glass bottles (if possible)
  • Nipples
  • Caps
  • Rims

If using a disposable system

  • Bottle holders
  • Rims
  • Caps
  • Nipples
  • Roll of disposable liners

Throw out liners after one use. Throw out nipples when they become soft and sticky.

*Note: If using disposable bottles, sterilize only nipples, rims and caps.


  1. Wash hands and counter with soap and water.
  2. Wash all items in warm soapy water.
  3. Make sure holes in nipples are not clogged.
  4. Rinse well.
  5. Put clean items in a pot. Fill pot with water.
  6. Boil for 2 minutes. Keep pot covered until items are needed.
  7. Remove items with tongs. Set on a clean paper towel.

Adapted with permission from Toronto Public Health.