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Old 02-08-2013, 07:46 AM   #12
H96669
A proud pragmatist.
 
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Joined: Nov 2009
Location: Hiding off Hwy 6, B.C.
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^^^ Wood deck brighteners are mostly that Phosphoric Acid and so are some of the rust treatments. Never seen then attack paints. Not a bad cleaner for aluminium but sure has to be neutralized well lest your parts turn a little black later on. May take a few days/weeks for the ambiant moisture in the air re-activating the residues in the pores and do that. Took a couple weeks on some of my parts.

KrudKutter????Had good results with that, the one that says "must for rust" does have a small concentration of Phosphoric in it. Sure cleans the rusty frame parts very well. Safe for Aluminium.
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