White Spots on Black Formica Countertop

It is possible that the white on your countertop was caused by a little standing water, hot pots or abrasive cleaners, all of which are a no-no for Formica. Because the white only shows up when the counter is dry, the counter probably needs a good waxing with a product made exclusively for Formica. Here is a link that tells how to care for Formica countertops.
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