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gilitos · 10-23-2018, 06:19 PM

Muriatic acid does not dissolve aluminum. Lye (sodium hydroxide) does. Muriatic acid does etch iron and steel. It removes the aluminum by dissolving a thin layer of iron underneath it that it is stuck to. If you just want to remove the aluminum, use lye. Drano is lye. Be careful with either one.

10-23-2018, 06:19 PM	#30
gilitos Senior Member Join Date: May 2010 Location: Cincinnati, OH Posts: 209	Re: Honing Cylinders Muriatic acid does not dissolve aluminum. Lye (sodium hydroxide) does. Muriatic acid does etch iron and steel. It removes the aluminum by dissolving a thin layer of iron underneath it that it is stuck to. If you just want to remove the aluminum, use lye. Drano is lye. Be careful with either one.