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Cleaning "rock" fireplace

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10-19-02, 07:31 AM

UNCMEDICINEMAN

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Cleaning "rock" fireplace

I have a recently installed (3-4 months ago) artificial "rock" fireplace. The masons left some mortar residue on the rock that needs cleaning. Since these "rocks" are made from concrete I'm concerned that whatever I use to clean may etch the surface and/or remove the color. Any ideas? Thanks!

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10-19-02, 08:26 AM

zinger

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cleaning "rock" fireplace

Try some vinegar using a tooth brush. Try it in an area that isn't to noticable.

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10-19-02, 08:30 AM

UNCMEDICINEMAN

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Zinger, thanks for your quick response! I'll try that

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Fireplaces, Wood Burning and Heating Stoves, Flues and Chimneys
Cleaning brick around fireplace

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AnneNovak on Oct 16, 2002

My fireplace is part of my original 1926 home. There is a lot of black soot absorbed into the brick, most of it above the fireplace, and a lot along the side of the fireplace. Some of this brick may have actually been baked darker in places when it was made, but since the brick above is so much darker than the brick next to the fireplace, I'm sure much of it is from long term smoke from burning logs in the fireplace. I would like to remove as much of this as possible. I used a spray-on cleaner from the local hardward store which lightened the brownish red to a redder brick, but removed little of the black soot. I then tried muriatic acid which did nothing but make breathing a challenge. Any advice?Read More
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