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Old 07-16-2017, 04:39 PM
damon damon is offline
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Join Date: Jul 2013
Location: NE Tennessee
Posts: 409
all these other suggestions and the only one cheaper could be the vinegar.
ferric chloride isn't expensive, and its not a single use product. a $10 bottle will last you a while.
sure a gal of white vinegar is under $4, but itll not etch the same as ferric chloride.
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