Q. I have a Limestone tile and someone let the polish dry in the grout. How can I remove the polish from the grout? The grout was not sealed. The product was granquartz stone polish. A. Try applying a neutral cleaner to the grout where the polish... Read More

Q. Do you have products that will work on concrete? A. Are you a homeowner or a maintenance professional? Are you looking for general cleaning products or something else? We can recommend something specific with more details, but in general, we... Read More

Q. Hello. I have just built a new home. I have Crema Alara Marble in the kitchen and foyer floors, slate in my mudroom and travertine in my bathrooms. All have been professionally sealed. I do not use any chemical cleaners. Is water and a microfiber... Read More

Q. What is the best cleaner to use on limestone floors? The floors in my bathroom are starting to look very dirty, with grayish marks and spots all over. A. It sounds like your floors have been etched -- probably by using an acid based cleaner. Many... 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 just finished putting in a new black marble shower wall, literally giving it its first cleaning. I had no idea that some bathroom cleaners would immediately etch into the marble finish. Please, for the love of God, tell me there is something... Read More

Q. We have a new home with black limestone in the master bathroom shower. I am looking to make a DIY cleaner for routine cleaning of the stone. Do you have a recipe or suggestion of products to use to make the cleaner? A. DIY cleaners can be... Read More

Q. I have had a travertine patio for approximately 10 years installed in sand. It has accumulated dirt from not being hosed or washed. What products do you recommend to clean it?  A. How to go about cleaning your patio depends on whether your... Read More

Q. Hi. I recently had a patio laid in natural sandstone and my builders used a cement coloring in the pointing. When wiping down with wet sponges, they have left stains on the sandstone. What do you recommend?  Is there anything we can do? Builders... Read More

Q. We installed a marble shower wall, and the contractor used an acid to clean it. We had it professionally repolished, but it keeps getting etched after we take a shower. What’s causing the etching and how do we correct it?   A. If you are... Read More