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Before-and-after toilet bowls showing a hard-water ring removed from the waterline.
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How to Remove Hard Water Stains from Toilets

Removing hard water stains from toilets is easier than you might think! With this quick and simple method, you’ll have your toilet sparkling clean in just minutes—no harsh scrubbing or scratched porcelain required. Check out the video below to see how effortlessly it works!
Prep Time5 minutes
Active Time5 minutes
Total Time10 minutes

Instructions

  • Gather supplies.
    White toilet bowl with a brown hard-water ring around the waterline.
  • Put on gloves and cut 1-2 small square pieces of Fine-Grit Drywall Sanding Screens. Set them aside.
    drywall screen for cleaning toilet
  • Carefully open the Barkeepers Friend and sprinkle inside your toilet.
    Brown mineral deposits tracing the waterline inside a white toilet bowl.
  • Wearing the gloves, gently yet firmly, begin to scrub away at the hard water buildup in a circular motion with the Drywall screen. Don’t press TOO HARD. Our goal is to remove hard water stains, not destroy the porcelain.
    half cleaned hard water toilet
  • Flush and be amazed!
    Clean toilet bowl with clear water and no visible brown waterline stains.

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