Bright Boy thought he’d save the mess and refill some cartridges in the kitchen sink. Bad idea. Black and Cyan stains all over the Corian. Regular bleach didn’t touch it. I bought some ‘Pool Shock’ bleach (12.5%) at a hardware store, a gallon was $2.99. I lined the sink with paper towels. I sprayed the bleach on the towels so it would stay in contact longer, and let it sit overnight. I then scrubbed the stains with a copper brillo-style pad. Viola! Stains gone. (Rust stains, too)
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