Zinc chromate, Etching paint...
Hi.. i got some small areas on the Mariner which are now bare aluminium and need touching up.... quicksilver does the phantom black touch up for the sum of £15 (11ml) and the undercoat in grey.... Any idea what the cheapest way is to touch this up? Use etching or zinc chromate? Its just that paying £30 to touch up a small area is ludicrous and can better be spend in my local pub :-)
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