Q. I have tried removing rust stains on these stone columns (on testing the base is limestone), and I believe the columns are the same? I've used a number of different branded products and oxalic acid but none of these have removed/lessened the... Read More

Q. How do I remove a wine stain from my limestone floors. Also, how do I clean and seal my floors? I’ve had them for 10 years and they need cleaning in high traffic areas. A. Limestone is a beautiful but delicate calcium-based stone, and its... Read More

Q. Our bathroom countertops are dark grey Limestone. There is a 4 inch round white stain on the countertop beside the sink. I THINK IT IS TOOTHPASTE RESIDUE. We are listing our house for sale this week and the stain needs to disappear ASAP. A.... Read More

Q. I have a limestone countertop and I have a pen ink stain that I am trying to remove. I've removed a lot of it, but there is still remaining. How should I proceed in removing the stain completely? Thank you! A. Ink stains are no fun,... Read More

Q. Yellow flower petals from Arizona trees recently stained my outdoor limestone tiles. Is there a way to remove this type of stain? The yellow does not blend well with my light grayish tiles. A. It's a shame something natural and harmless like... Read More

Q. How do I get a stain from furniture polish to come up? We used furniture polish and accidentally ended up with a ring on our limestone hearth. A. These type of stains can be difficult to remove. You will need to use a poultice with a strong... 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 risky... Read More

Q: We are building a new house in South Louisiana. We have a concrete slab with concrete piers on top. My tile installer used a polyethylene membrane with thinset directly over the plywood subfloor. We installed a honed limestone tile. Now that... Read More

Q. My new puppy climbed up on my limestone hearth slab on my fireplace and pooped. I cleaned it up right away, but there is a shadow of a stain left behind. What would I use to remove the stain? It's brand new, and we hadn't gotten it... Read More

Q. My puppy pooped on our limestone hearth, and it left a stain. What should I use to remove the stain? A vinegar and peroxide solution? A. Vinegar might seem like a natural cleaner, but it’s actually one of the worst things to use on... Read More