Poulticing Walls and Other Vertical Surfaces Making sure that a poultice is held securely in place is important for several reasons: The poultice needs continuous contact with the surface to work properly. If the poultice shifts off of the stained... Read More

Q. I have a polished White Carrera marble floor. A solvent-based enhancing sealer was applied about a week and a half ago. It seeped through the outer edges and darkened the stone. Someone recommended a poultice. I want to try it. Please tell me... Read More

This is a very common problem on granite. Granite is a very porous stone, more porous than most marble. Because of its porous nature, granite has the ability to retain a great deal of moisture. The dark area in this case may simply be excessive... Read More

Reusing a poultice powder for stain removal is not advisable, and here’s why. Fred Hueston, Chief Technical Director of Surface Care Pros and Owner of Stone Forensics explains, “I would not recommend the reuse of poultice powder.... Read More

When poulticing a rust stain on a marble floor, the stain can become darker and more wide spread. What is happening? Chances are the source of the rust is under the tile. A nail or metal object may have been left behind when the tile was installed.... Read More

Q. What is the best way to clean a white marble bathtub? What is the best way to keep it clean? What shampoos and soaps should be used by people in marble bathtubs?   A. The shampoos, soaps, and cleaners you use can damage, stain, or diminish the... Read More

Q. I have yellow staining on my marble around my sink. I believe it's from the water sitting around the edge of the sink. Do you have a product you'd recommend to remove the yellow? I can't feel it like an etched stain. Would the... Read More

Q. I accidentally wiped my limestone fire surround on one side with a cloth that had WD-40. It has discolored  the limestone that is stone in color. The discolored area is a few shades darker. How can I bring it back to the lighter color it should... Read More

Q.  Do you have a product that will remove tannin stains from porcelain?   A. Sorry to hear about your stain. Thanks for contacting us. Don't delay your attempts at stain removal at all, because time is of the essence. A tannin stain that... Read More

Q. We have water-like stains on the edges of our quartzite counters and water intrusion around the sink area. How do we get it out? Should we call a plumber? What will a plumber do? Do I have to dry it out prior to sealing the areas? I imagine I do?... Read More