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How to clean a concrete hearth? Answered

We're moving into a place with a non-functional fireplace and a stained hearth. I haven't touched it yet and have no idea what the stains are.  A guess for the circular ones is wine or some other dark drink.  Any ideas for a relatively non-toxic clean up?

It turns out a lot of it is wax.


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Answer 4 years ago

I would start the mild at baking soda, Scotch-Brite Non-Scratch Scrub Sponges, and elbow grease...and possibly vinegar. No matter what, wear gloves.