Home-made bath bomb recipe!

Our theme this month is water and in the middle of winter one of the best ways to enjoy it is a nice warm bath after a tough day of outside play!

Included in our water box was a natural bath bomb but you can make your own at home - possibly with ingredients you already have in your kitchen and garden!  If you don’t have any moulds you can simply mould them by hand or use cup cake tins.  

If you want them to fizz when they touch the warm water you are going to need baking soda (1 cup) and citric acid (1/2 cup).  Then pick one or two dry ingredients - I like oatmeal (3/4 cup) and epsom salt (1/2 cup) but you could use corn flour or something similar.  Finally you just need to pick the fun bits that add colour and/or fragrance.  I added hibiscus, orange peel and tumeric (a couple teaspoons of each) but the possibilities are endless (think flowers, essential oils, colours and fruits).  Finally you just need a wet ingredient to stick it altogether.  I used baby oil but water works just fine.  If using water, you don’t want to set off the reaction with the baking soda and citric acid so instead of pouring it into the bowl put the water in a spray bottle and spray evenly over your bath bomb until you get the right consistency.  The above makes about 4 bath bombs depending on your mould.

And that’s it!  Leave for 24-48 hours to make sure its fully dry and set and then place in an airtight container or use!  They make the bath a fun relaxing spa-like experience, make great eco gifts and of course an easy way to incorporate a bit of science!

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