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Old 01/04/2008, 11:03 AM
Randy Holmes-Farley Randy Holmes-Farley is offline
Reef Chemist
 
Join Date: Apr 2001
Location: Arlington, Massachusetts
Posts: 52,068
I would not use that material. Red Devil Lye is the way to go if you want to use sodium hydroxide. You do not want to be adding aluminum metal or bleach (which is sodium hypochlorite; aka hypochlorous acid, sodium salt ).
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Randy Holmes-Farley