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How to use a plunger

  • MDG Plumbing Services
  • May 26, 2025
  • 3 min read

Updated: Mar 9

Blocked drain, shower, or toilet? Your plunger could be the hero you need.


Close-up view of a plumber's tools on a workbench


Blocked Drain, Shower, or Toilet? Your Plunger Could Be the Hero You Need


Got a blocked drain, slow-draining shower, or stubborn toilet that won’t flush properly? Don’t panic—your humble plunger might be all you need to fix the issue quickly and affordably. Choosing the correct plunger and using it the right way can save you time, money, and frustration.


How to Tell If Your Toilet Is Blocked

A weak or incomplete flush usually means there’s a partial or full blockage in the drain. Many toilet clogs are "slow drainers"—you flush, the water rises higher than normal, then slowly drains back down over a minute or two. You might not even notice a problem until the next flush. If you suspect a blockage, test the drainage before doing anything else. If water drains slowly, it’s time to grab your plunger.


Know Your Plungers

Before you start plunging, it helps to know which type of plunger to use for the job:


  • Cup Plunger: Best for sinks and flat surfaces. It has a simple rubber cup on a straight handle.

  • Flange Plunger: Ideal for toilets. It features a fold-out flap (flange) beneath the cup that fits snugly into curved toilet drains.


How to Use a Plunger Like a Pro


Step 1: Make Sure the Plunger Is Submerged

There should be enough water in the basin or bowl to fully cover the plunger cup. This helps create the necessary suction seal.


Step 2: Block Overflow Openings

Cover overflow holes in sinks or bathtubs with a damp cloth. This helps maintain air pressure within the pipes and improves plunging effectiveness.


Step 3: Remove Trapped Air

Angle the plunger and press gently to eliminate any trapped air. For better suction, you can line the rim with petroleum jelly to help seal the edge tightly.


Step 4: Start Plunging

Place the plunger vertically over the drain. Push down gently at first, then use firm, rapid thrusts without lifting the plunger too far. This forces water back and forth through the blockage to loosen it.


Step 5: Clear and Check

After several plunges, slowly pull the plunger away. If water drains freely, you’ve successfully cleared the clog. You might see some debris come up—dispose of it properly.


Step 6: Clean Up

Always disinfect the plunger after use. Wear gloves, scrub with a strong cleaner, and rinse well. Flush clean water through the drain or toilet to ensure everything is flowing smoothly.


Helpful Plunging Tips


  • Start gently—the cup is full of air, and a hard first plunge could splash dirty water everywhere.

  • Once the air is out, plunge forcefully with a steady rhythm.

  • Keep going for 15–20 plunges if needed—stubborn clogs often break free with persistence.

  • Make sure the plunger stays submerged in water for better pressure and seal.

  • If the plunger doesn’t work, consider using a toilet auger or drain snake as a next step.


Can a Toilet Unclog Itself?


If you’ve ever found yourself with a clogged toilet and no plunger in sight, you might wonder if it’ll fix itself. The good news? In some cases, yes. Many toilet clogs are caused by water-soluble materials that naturally dissolve over time. With patience, the next flush might push the blockage through.


However, this isn't always reliable—especially if non-flushable items or buildup are involved.


Still Having Drain Problems?


If your toilet, shower, or sink clogs frequently, there may be an underlying plumbing issue that needs professional attention. Don’t wait until things get worse—contact our experienced plumbers today for a free quote.


📞 Call us now on 0435 636 278!

 
 
 

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