In article , Bill Parker wrote:
Someone splashed concrete on our steel outside door. Can this be removed
without hurting the door finish.

Maybe. Depends partly on how much there is, and how thick it is. Any acid will
dissolve it; some acids may/will harm the finish or even the door. I think I'd
try lemon juice. It's pretty benign.

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Regards,
Doug Miller (alphageek at milmac dot com)

Nobody ever left footprints in the sands of time by sitting on his butt.
And who wants to leave buttprints in the sands of time?