Your Ob­ses­sion: Bath Bombs

Bombs away! GW read­ers love turn­ing their tubs into works of art!

Girls' World - - October Contents -

The sci­ence be­hind bath bombs:

Bath bombs in­clude three key in­gre­di­ents: bak­ing soda, cit­ric acid and corn­starch. The fizz comes from the chem­i­cal re­ac­tion that hap­pens when the bak­ing soda and cit­ric acid come into con­tact with wa­ter. In wa­ter, bak­ing soda quickly dis­solves, and the sodium in it breaks apart from the other com­po­nents and starts to re­act with the cit­ric acid. To­gether, they form sodium cit­rate and car­bon diox­ide, which is what bub­bles and breaks the bath bomb up to re­veal foam­ing, col­or­ful swirls!

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