Hi, Dana! For stubborn dried spills, we recommend using OxiClean mixed into a paste and applied with a scouring pad (such as Scotch Brite or a soft plastic pad). Lightly scrub to avoid potentially damaging the countertop. Another option is to mix baking soda and warm water into a paste and apply-- but do not leave on the surface for more than 5 minutes. If this does not work, then the last resort would be to use bleach or white vinegar diluted with warm water, using a cotton rag to apply and wipe off.
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counters - hard water stains
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