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KiWinUS · 04-16-2021, 11:48 AM

I too have used Muratic acid many times. It is very dangerous but great for certain components. I like it for gas tanks. It can also flash rust as soon as it dries. Rust 911 is safe & environmentally friendly.

04-16-2021, 11:48 AM	#10
KiWinUS Senior Member Join Date: May 2010 Location: Charlotte NC KiWi-L100 available here Posts: 2,963	Re: Cast iron surface rust removal I too have used Muratic acid many times. It is very dangerous but great for certain components. I like it for gas tanks. It can also flash rust as soon as it dries. Rust 911 is safe & environmentally friendly.