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James K · October 19, 2012, 09:21 PM

Good point. Caustic bluing requires a heavy iron tank but rust bluing requires only a tank that can hold boiling water.

Jim

October 19, 2012, 09:21 PM	#10
James K Member In Memoriam Join Date: March 17, 1999 Posts: 24,383	Good point. Caustic bluing requires a heavy iron tank but rust bluing requires only a tank that can hold boiling water. Jim