Posted by Tom @ Snake River [70.36.75.252] on Wednesday, December 31, 2014 at 21:41:26 :
In Reply to: Phosphoric Acid Question? posted by Willy-N [72.171.192.61] on Wednesday, December 31, 2014 at 21:15:16 :
I use it, especially if there was/is any rust on the metal being painted. I do not use it on fresh metal.
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