Thread: swimming pool - how often to add alum?
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Bob F Bob F is offline
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Default swimming pool - how often to add alum?
wrote:
Alum - as in alumINUM????


Not in MY pool, no thanks!

But it's in your baking soda.

Soda alum has the formula NaAl(SO4)2·12H2O. It is used in baking powder and as
an acidulent in food.


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