limestone with mold / mildew stains in grout joints.
Q. We have mold buildup in grout joints and surface has film on it. What is best to clean mold and remove film from surface? A. There are several cleaners that will remove the mold but you must be careful to choose one that will not damage the li... Read More
How to Remove Discoloration Caused by Hair Oil
Q. I have a brand-new bathroom stone vanity and my daughter put her Argan Moroccan hair oil on it (there is a ring where the oil is). What is the best way to remove it? Should I use a de-greaser with a poultice, just a degreaser, or should I use a... Read More
Stone Myths By Frederick M. Hueston www.stoneforensics.com Over the past 20years I have heard many stories about the reasons stone will fail, turn color, fade or what ever. Many of these stories are funny and almost all of them are just plain fals... Read More
Is granite safe?
Q. Is granite safe? A. You may have caught wind of a report circulating that granite countertops are unsafe, harbor bacteria, and can produce disease. This is absolutely false. NIOSH and the CDC have no reports of granite or any other stone used as a... Read More
Sanded or Un-sanded Grout on Dimensional Stone Floors
By: Mike Marsoun NuLife Stone Care (www.nulifestonecare.com.au) I have noticed an alarming trade practice here in Australia which desperately needs to be addressed. The root of this problem is the same as in the US where you will find ceramic ti... Read More
Can enhancing sealant be removed?
Q. The installer of my granite countertop used a color enhancing and impregnating sealer. I wish he would have asked if I wanted the deepened color. Is there any way to return the granite to the original color and then reseal with non enhancing sea... Read More
Is travertine a good choice for a bathroom shower?
Q. I am thinking of installing travertine tiles in my bathroom shower and would like to know if there are any problems with this type of stone in a shower stall and how difficult it is to clean? A. Travertine is essentially hard water deposits in lar... Read More