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Wet Sanding the Sink Surface — Use Pumice Stone for Stubborn Stains

Beginner2 hours

Part of project

How to Remove Hard Water Stains from a Toilet Bowl · Step 6 of 7

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In this video

After removing the bulk of the putty, address the remaining stains on the porcelain sink. Use a piece of 600-grit wet/dry sandpaper, keeping a trickle of water running over the area. The water acts as a lubricant and helps flush away debris, minimizing the risk of scratching the sink's surface while effectively removing the stains.

Goal: Remove hard water stains from sink

  • This method is for a brushed finish drain surround. If your drain is polished, sanding could damage the finish. Consider removing the drain first.

Used in this video

  • 600-Grit Wet/Dry Sandpaper (Tool Type: Sandpaper, Abrasiveness: Fine) — Sanding away hard water stains from the porcelain sink.
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Korky Toilet Repair

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FAQs

Do I absolutely need a pumice stone, or are there alternatives for removing very tough hard water stains from a toilet bowl?

While not strictly mandatory, a PUMIE Pumice Scouring Stick is highly effective for stubborn hard water rings because it's softer than porcelain and won't scratch when used wet. For extremely tough deposits, you might cautiously try a commercial toilet bowl cleaner specifically designed for mineral deposits, but always follow product instructions carefully and prioritize safety.

What are the most crucial safety precautions I should take during this toilet cleaning project?

Always wear appropriate personal protective equipment, such as HDX Clear Indoor Safety Glasses and G & F Products waterproof gloves, to protect your eyes and skin from splashes and cleaning solutions. Ensure good ventilation by opening a window or running an exhaust fan, especially when using vinegar or other strong cleaners.

This project is listed as 'beginner' difficulty. What does that entail, and how can I ensure I stick to the estimated 2-hour timeframe?

This project is beginner-friendly because it involves common household materials and straightforward steps like draining, soaking, and scrubbing. To stay within the 2-hour estimate, prepare all your tools and materials beforehand, and be aware that extremely severe, long-standing stains or cleaning multiple toilets might extend the duration.

I've tried scrubbing with vinegar, but some hard water stains remain. What should I do if the initial attempt doesn't completely remove them?

For persistent stains, re-apply the Harris 30% Vinegar solution and allow it to soak for an extended period, even overnight, before scrubbing again. If necessary, use your PUMIE Pumice Scouring Stick with gentle pressure and plenty of water; ensure the pumice is always wet to avoid scratching the porcelain.

Transcript
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I spent about four minutes with the Scotch bright pad. With the big chunks of plumbers putty removed, there was some staining present, but that I moved on to a 600 grit wet dry sandpaper. Again for the purpose of easing off the aggression on the sink finish, I kept a trekkle of water running to act as a lubricant and flushing agent. I should note that the drain surround and plunger have a brushed finish so I was not concerned with scratches showing. If your drain is polished to a mere finish or has some sort of coating, you may want to remove the drain to keep from scratching or removing the finish. All in all, I spent about three minutes with the 600 grit sandpaper.

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