Posted by Keith in Washington [108.162.246.230] on Sunday, November 19, 2017 at 19:57:01 :
In Reply to: Try it! posted by jim lee [108.162.246.236] on Sunday, November 19, 2017 at 18:55:22 :
Actually the guy who blasted my carryall used a mix of garnet and walnut shell. The walnut, he said, makes blasting less aggressive, reduces heat buildup and subsequent warpage. The garnet does a lot of the rust removal and walnut buffers the garnet.