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I assume it's a darker slump block- very difficult block to repair or get stains out, because of it's crumbly nature- I'd say cut it out and replace it- you should have put a preventative stain coating on it- Maybe CLR in a pinch- try all solutions on a hidden place in the block before you put it in a visible area- it depends on what kind of stain you have and which chemical will remove it- is it paint? If it's latex paint it's water based- if it's alcohol based, it's different- if it's oil based, mineral spirits should remove it- but watch if you dilute the stain by cutting with chemicals it that it will spread- some latex paint can be cut off the surface, but don't disfigure the surface of the block -good luck - if it's rust try a solution of CLR in a hidden test place.
What else can I help you with?
Which stains does white spirit remove?
White spirit can effectively remove oil-based stains, grease stains, paint stains, and tar stains from surfaces. It is commonly used as a solvent to dissolve and clean these types of stains.
How can you Remove bath stains?
Yes. Bleach, white vinegar and lemon juice are often suggested to remove such stains.
How do you remove stains from your white shirt?
To remove stains from a white shirt, soak it in a mixture of water and white vinegar for a few hours, then wash it as usual with laundry detergent. For tougher stains, you can apply a paste of baking soda and water to the stained area before washing. Always check the care label on the shirt before attempting to remove stains.
How do I remove tea stains from partials?
Tea stains can be removed from partial braces by soaking them in effervescent tablets overnight. White vinegar can also help remove stains from false teeth.
How do you remove chlorine stains from white bathing suit?
liqiud nitrogen
How do you remove pet stains from white carpets?
You can use hydrogen peroxide to remove pet stains from white carpets. Simply mix peroxide with water and pat onto the stain. This does not work for colored carpets.
Does white vinegar remove sweat stains?
Yes, white vinegar can help remove sweat stains. Simply apply a mixture of white vinegar and water to the affected area, let it sit for a few minutes, then wash as usual. The acidity of the vinegar helps to break down the sweat residue and stains.
How do you remove ketchup stains from a white cotton dress?
use detergent with a sponge
How do you remove the white stains that appear after building a wall?
you can use a power washer
How can I remove stains from white formica?
To remove stains from white formica, create a paste using baking soda and water. Apply the paste to the stained areas, scrub gently, and then wipe clean with a damp cloth. For tougher stains, you can use a mixture of equal parts vinegar and water.
What gets wine stains out?
White wine will usually remove a red wine stain.
how can I remove blood stains using products available at home?
You can use bleach! This is a very efficient and simple way to remove all stains on white clothing, furniture, etc. Good luck!
