Re: White vinegar as radiator flush
I use "Rust-911" when I have large pieces. It works the same as "Evaporust", but from my experience, not quite as well. I think it is because it is a concentrate.
I would recommend those of you that are recommending vinegar review the "Old Henry" Thread mentioned in my earlier post (and one other). It is an acid and can damage cast iron and steel if used too long. Be very careful with it.
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