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Old 02-12-2008, 05:38 PM
oldred oldred is offline
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Originally Posted by F&J
Don't use muriatic on cast iron...period. If you soak a cast iron part for a while, it will look like the moon...only the craters will be deeper

That is what I meant earlier when I said "especially cast iron" because it is slightly porous and will retain some of the acid. I guess technically it may not actually be porous but the irregular micro-grainy type surface will be just as bad.
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