James wrote:
What would be a good product to use to clean natural river rock that has
been blackened from a fireplace? The smut seems to only be on the surface,
but it has been there a long time.
On page 245 of their book "Home Maintenance for Dummies" (ISBN
0-7645-5215-5) the Carey brothers recommend the Advanage cleaning
products (note the spelling) from
www.advanage.com.
I have no connections and no experience whatsoever with the website or
the product, I just happened to have the book handy and saw your post.
Best,