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Old 02-26-2017, 01:53 AM
Blackspadeaxes Blackspadeaxes is offline
 
Join Date: Feb 2017
Location: Australia
Posts: 8
Hey Andy had a go with the sharpie it worked ok I used ammonium persulphate apprently it's an equivalent of ferric Chloride. Do you remove the piece and re applie the sharpe I'll try upload an image so you can see but it etched into the sharpie I keep an eye on it but it etched threw the sharpe in some spots
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