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How to unclog a toilet with hot water and dish soap?

Unclog your toilet quickly using our safe, step-by-step guide with dish soap and hot water. Follow our simple tips to clear clogs effectively and prevent overflow.

Reviewed by Content Team

Head of Content, D. Gorenko

Updated June, 5

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How to unclog a toilet with hot water and dish soap?

 
Preparation and Safety
 

  • Gather materials: dish soap, a large bucket, a kettle or pot for heating water, gloves, and old towels.
  • Wear gloves and eye protection as a precaution because toilet clogs can sometimes cause splashes.
  • Ensure the area around the toilet is clear of items that could be damaged by water.

 
Assessing the Clog
 

  • Determine the severity of the clog by checking if the water level is too close to the rim or if there is continuous bubbling.
  • If there’s a risk of overflow, be cautious when adding water and proceed slowly.

 
Applying Dish Soap
 

  • Sufficient dish soap can act as a lubricant to help dislodge the clog.
  • Pour about 1/4 to 1/2 cup of dish soap directly into the toilet bowl.
  • Allow the soap to sit for approximately 10-15 minutes to work its way into the clog and break down greasy residues.

 
Preparing the Hot Water
 

  • Heat a large bucket of water using a kettle, pot, or any safe heating device.
  • Make sure the water is hot but not boiling; boiling water can damage the porcelain or its seal.
  • Opt for a temperature that is effective yet safe, typically around 120°F to 140°F.

 
Pouring the Hot Water
 

  • Stand a safe distance away from the toilet.
  • Slowly and steadily pour the hot water into the bowl from waist height to create enough force that can push the clog downward without splashing excessively.
  • The combination of the force from the water and the dish soap’s lubricating properties can help to break up the clog.

 
Allowing Time for the Clog to Lessen
 

  • Wait for 10-20 minutes after pouring the water. This allows the soap and the hot water mixture to soften the blockage.
  • If the water starts to recede slowly, the clog may be loosening, so give it a little more time.

 
Testing the Flush
 

  • After waiting, attempt to flush the toilet.
  • If the water drains normally and the toilet flushes without overflowing, the clog has been successfully cleared.
  • If the clog persists, consider repeating the dish soap and hot water process.

 
Additional Tips and Considerations
 

  • Do not use this method immediately after applying a commercial chemical drain cleaner. Mixing chemicals and hot water can be dangerous.
  • If multiple attempts with dish soap and hot water fail to clear the clog, a plunger or a toilet auger might be necessary.
  • In persistent cases, whether you’re located in St. Louis or Nashville, it may be time to call a professional plumber to avoid further damage to the plumbing system.

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