DATE: October 13, 2020
AUTHOR: Joanne Graves
Cleaning concrete countertops is not the hardest task on the earth. All you need is warm water and some liquid dish soap, however, sometimes spills happen which can cause stains. Even if your countertops are sealed some stains can still penetrate if they are left to sit for too long. This is why you need to tackle spills the second they happen – but if you are cooking then you probably won’t notice a stain right away.
Dark stains usually happen when you spill wine, mustard, grape juice, and similar liquids. The most effective thing you can use to remove them is bleach but since bleach can react to sealers you need to test it in a small and hidden area of the countertop and make sure you don’t damage the surface.
Soak a cotton ball in bleach and place it on the stain. Place something heavy on top so that it pushes the cotton ball against the stain and leave it for five minutes. Rinse away the bleach and see if the stain is still there. If that is the case then repeat the same steps and leave the cotton ball for 30 minutes.
Oily stains are pretty common and can happen when you are cooking greasy foods like fries. The concrete will soak the oil which will leave a dark stain.
You need to make a paste of baking soda, acetone, and powdered sugar/ flour. The acetone will loosen the oil while the powders will soak it up.
Apply the paste on the affected area and wrap it with a plastic wrap. That way you will lock the moisture so that the acetone can work its magic. You need to leave that for 24 hours.
Then remove the plastic wrap and clean the paste with a damp cloth.
Tomato, lemon juice, and other acidic foods can create an acidic stain. Well, if we have to be honest these stains aren’t actually stains – acid eats the material which means that it is quite possible these foods have “etched” your countertop.
Removing these “acidic stains” won’t be easy. You should wash the affected area with warm water and laundry detergent. Once it is completely dry, sand the area with wet 800-grit sandpaper until you remove the discolouration.
Rinse the dust and seal your countertops. This step is extremely important so don’t neglect it!
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