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Old 08-21-2020, 08:07 PM   #19
JSeery
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Join Date: Nov 2012
Location: Wichita KS
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Default Re: Removing oxidation from NOS radiator core

Washing soda, aka sodium carbonate(or soda ash), is a natural cleaner and a powerful water softener. It has a very high ph, 11, so be careful.
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