02-16-2012, 11:44 PM
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Junior ??? Rocketeer
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Join Date: Mar 2005
Location: Knightdale, NC
Posts: 1,470
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Quote:
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Originally Posted by ghrocketman
One of the components is Sodium Bicarbonate and the other is plain old Alum.
I think the Alum is dissolved in the water and the pellets are pressed Sodium Bicarb.
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There you go... hygro-bolic propellant AND at a drug store. 
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Carl McLawhorn
NAR#4717 L2
semroc.com
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