Most procedures I have seen also add washing with detergent as the first step to remove tooling oil from when the aluminum is rolled. Also there are many different etching chemicals you could use. I personally have a gallon of Alumiprep that cost a fortune which I bought to prep an aluminum mud boat. If you can, try to find something locally because if you end up having to pay hazardous materials fees to ship the stuff it costs $$$ that could be better used elsewhere. The stuff goes a long way since they are often concentrated and require adding water so get a small container of it if you can and any old spray bottle to go with it. Make sure you rinse the stuff off well enough because it is acid.
update: Just noticed that somebody had posted a link to the West version at JD. The price looks quite a bit more reasonable than what I paid although it is for a much smaller portion. I wonder about their shipping.
Last edited by muddywater; 09-13-2012 at 12:43 AM.
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09-13-2012, 12:32 AM
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