Skip to main content

Remove the Old Valve and Clean Threads — Rinse and Restore Water

Beginner2 hours

Part of project

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

Helpful?

In this video

Once the tank is completely empty, disconnect the garden hose. Using a pair of channel-lock pliers, grip the old plastic drain valve and turn it counter-clockwise to unscrew it from the tank. Remove the valve completely. Take a clean rag and wipe the inside of the tank's threaded opening to remove any old sealant, rust, or sediment.

Goal: Remove the faulty valve and prepare the tank for the new one.

  • Be prepared for a small amount of residual water to spill out when the valve is removed.

Used in this video

  • Channel-Lock Pliers (Pliers Type: Channel-Lock)To grip and unscrew the old drain valve.
122.0K views8255 minutes
Korky Toilet Repair

10K subscribers

View Channel

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.