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Q. I have a travertine dining room table. What should I do to seal it and how should I clean it? A. Regarding sealing travertine, check first to see if sealing is required. Begin by spilling some clean fresh water on it and leave it for 30 minutes.... Read More

Q. How do I clean my shower grout? A. Many of the shower and grout cleaners on the market can remove not only the grime, but the top layer of the grout as well. This creates bigger holes for hard water, soap scum, and bacteria to hold onto, so you... Read More

How to Keep Travertine Floor Grout Lines Clean Professional contractors understand that the cleanliness of travertine grout lines can make or break the overall appearance of a travertine floor. Unfortunately, in many cases, dirty travertine grout... Read More

Generally, an acid will not cause any problem with an unglazed terra cotta. However be sure to use a acid specifically called for in the cleaning of terra cotta. Follow the directions carefully and be sure to rinse throughly to remove all acid... Read More

When you should clean an old stone building will depend on which climate your building is located in. If located in the northern hemisphere never schedule cleaning during the winter months, since freezing temperatures can cause the stone to spall.... Read More

I will assume you are not cleaning it with acid cleaners. There is a possibility that there is some residual acid in the grout or the pores of the stone that bleeds out when you take a shower. Try rinsing the shower wall with a solution of baking... Read More

Flamed granite has a rough texture which will tend to hold dust and dirt. Prepare a solution of stone soap or neutral cleaner and warm water. Flood the floor with this solution and either agitate with a scrub brush or machine-scrub. Pick up the... Read More

Since the acid has etched the marble, the etching will require honing and polishing to remove. Call in a professional stone specialist, since this work can be quite difficult. TIP Etch marks caused by acid bathroom cleaner can penetrate very deep in... Read More

Most janitorial supply stores carry non-acid bowl cleaners. Many bathroom cleaners also contain acids and these should be avoided around marble. TIP Household bleach also makes a good toilet bowl cleaner and should not etch the marble but if you do... Read More

There are several grout paints and dies on the market. But be aware that coloring grout can be a tedious task requiring great patience and a steady hand. It is also extremely important that the grout be thoroughly cleaned; otherwise the color will... Read More