Darlene S. writes: "I need a tried and true porcelain cleaner for the underside of my toilet seat. It stains almost instantly and with two boys, well ,you can imagine what it looks like if I don't get to it right away. I have tried bleach, Vim, baking soda..and with no results. Please help."

Answer: Cream of Tartar
Bonnie wrote:
"Try Cream of Tartar - just spinkle on a damp cloth (not wet) and start to scrub. You'll be amazed. Works on your sink and bathtub, too.