This worked great for a Tilex stain to my countertops that turned them yellow and blotchy: cut a lemon in half and rub right on the laminate. Let the lemon juice sit for up to an hour. Rinse off with water, gently "scrubbing" with a very soft sponge, reapply until the stain went away. It took about 2.5 lemons for a stain about 15" x 15". All natural.
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How to Remove Stains From Plastic Laminate Countertops
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