instructables.com - 12/19/2008
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As I was making bath bombs to give for Christmas I felt a little heartburn. I reached for the Alka Seltzer... Wow... $8.99 for 36 tablets! One dose is made of 2 tablets, so that comes to 50 cents per dose. Then I looked at the active ingredients. Citric acid and sodium bicarbonate.
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Make your own Alka Seltzer for a fraction of the cost
Boing Boing —
Over on Instructables, Belsey shows how to make your own Alka Seltzer for a fraction of the cost.
As I was making bath bombs to give for Christmas I felt a little heartburn. I reached for the Alka Seltzer... Wow... $8.99 for 36 tablets! One dose is made of 2 tablets, so that comes to 50 cents per dose. Then I looked at the active ingredients. Citric acid and sodium bicarbonate. Exactly what I was using for the bath bombs! Sour salt and baking soda! I made a rapid calculation: one dose comes to 2 grams of citric acid, and 3.88 grams of baking soda. If I ...
Holiday hangover? Here's a cheap cure, but it's DIY
Popgadget: Personal Tech for Women —
... And, speaking of time, just in time for holiday overindulgence Instructables brings you DIY imitation Alka-Seltzer. I gotta say I'd probably be willing to pay the 50 cents per dose for the Real Thing--or look for a sale--rather than launch a domestic chem lab. But perhaps you didn't have an, um, explosively messy experience in high-school chemistry. I did, and it cured me of any impulse toward amateur alchemy. ...
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