DIY Bath Bombs

DIY Bath Bombs

DIY Bath Bombs

Homemade bath bombs are a fabulous gift idea, especially for Mother’s Day. It’s easy to make them and McKenzie’s (most commonly known for bi-carb) gave me this great recipe to share.


1 ½ cups McKenzie’s Bi-Carb Soda
½ cup McKenzie’s Citric Acid
Sweet almond oil (from chemist)
Essential oil, such as lavender or orange
Food colouring (optional)
Moulds – see tips for options

Makes 4 bath bombs (depending on size of the mould)


1. Sieve together the McKenzie’s Bi-Carb Soda and the McKenzie’s Citric Acid in a large mixing bowl, then add pot pourri.

2. In a small bowl, combine 6 drops of your chosen essential oil with 1/2 teaspoon of sweet almond oil and food colouring as you desire.

3. Take 1/2 cup of dry mix and stir in the oil mixture slowly so things don’t start fizzing!

4. Wearing rubber gloves, work the oil mixture into the dry ingredients with your fingertips until it stays compressed when squeezed.

5. Wipe a little sweet almond oil inside the mould and fill with the mixture, packing in firmly.

Repeat from Step 2 to make your other bath bombs and leave to set for 24-36 hours before removing from mould. 


  • If you don’t have any pot pourri, use the contents of a herbal teabag such as chamomile, lemon or peppermint.
  • If you don’t have any sweet almond oil, light vegetable oil will work.
  • You can purchase moulds from craft shops or you can use items that might be around the house, such as jelly moulds, decorative ice cube containers, muffin tins, patty pans or any plastic container that will hold a shape.
  • The more simple the shape of the mould, the easier it will be to remove the bath bomb.
  • Be creative with colours, combine red and yellow food colouring for an orange bath bomb and blue with a little red for a lavender bath bomb.
  • Hot water activates the fizz in the bombs – cold water doesn’t work.

DIY Bath Bombs


Give Mum a foot soak with items from the pantry
  • Add 3 tbs of McK’s Bi-Carb soda in a basin of warm water. Follow with a foot rub for Mum or a pedicure!

Bi-Carb Foot Soak Ingredients

Bath Bombs - make them yourself!


Ways to use Bi-Carb for School Kids

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