Another rust removal method is to use oxalic acid.
Removing rust from granite. Baking soda has a light bleaching effect and mixing it with water causes it to fizz. First, we had to remove the existing sealer. Apply just one drop with a cotton swab to the stain.
Cover it with plastic and tape it for sealing. However, this method can be harmful to your granite countertop, so make sure that you’re being careful and following. Designed to keep stains out, in this case, it was keeping the stain in!
First, start by mixing poultice. After 24 hours, remove the plastic and let the poultice dry for another 24 hours. Mix 50 percent water with 50 percent rubbing alcohol into a spray bottle.
Spray the liquid over the entire surface and then wipe. If the droplet soaks in, add another drop on top until you have a tiny standing pool. Allow the acid to work for 10 or 15 minutes.
When this situation occurs in a moist or wet. The success of the project will be determined by the severity of the granite rust spots. Add a few drops of essential oil for a more pleasant smell.
Removing rust stains from granite. Most importantly, the drying process is what pulls the. The layer of paste should be about one fourth of an inch thick and overlap the stain about a half an inch.