Common causes of
slow drainage in
Brisbane homes

5 Reasons Why You May Have Slow Draining Showers, Baths or Basins

There’s nothing more frustrating than standing ankle-deep in water after your morning shower or watching your bathroom basin take forever to empty. If your shower, bath or basin is draining slowly, it’s a sign that something’s not quite right with your plumbing.
At Plumbing Solutions and Gas Fitting, we see these issues all the time across Brisbane’s inner and northern suburbs, especially in older homes where plumbing systems are under more stress.

Here are five of the most common reasons your drains might be slow, and what you can do about it.

  1. Hair Build Up
    Hair is the number one culprit when it comes to blocked shower and bath drains. Over time, hair mixes with soap scum and other debris to create stubborn clogs just below the drain. If left unchecked, this can lead to a full blockage.

    What you can do: Installing a drain catcher can help, but if the water’s already slow to drain, it might be time for a professional clean-out.

2. Soap Scum and Product Buildup
From shampoo and conditioner to hand wash and shaving cream, the products we use every day leave behind residue. This buildup coats the inside of your pipes, gradually narrowing the passage water can flow through.

What you can do: Regular cleaning with natural drain-safe solutions can help reduce buildup, but if the problem persists, professional jet rodding or chemical-free treatments may be needed.

3. Foreign Objects or Debris
Sometimes things end up in your drains that shouldn’t be there, such as kids’ toys, cotton buds, sanitary items, or even toiletry packaging. These foreign objects can get lodged in your plumbing and restrict water flow.

What you can do: Prevention is key. But if something’s already gone down the drain, a licensed plumber can locate
and remove it without damaging your pipes.

4. Blocked or Damaged Pipework
In Brisbane’s older homes, slow drainage can be a sign of more serious underlying issues like damaged or corroded pipes. Tree root intrusion, cracked drains or misaligned pipe joints are common causes that restrict flow and cause water to back up.

What you can do: A CCTV drain inspection can quickly identify the problem and help us recommend the best repair solution,
whether it’s relining or replacing a section of pipe.

5. Poor Drain Ventilation
Your plumbing system relies on proper ventilation to maintain pressure and keep water flowing freely. If vents are blocked or not working properly, it can cause gurgling sounds, slow drainage, and unpleasant smells.

What you can do: This isn’t something most homeowners can spot themselves, but we can!
Marius can assess whether your venting system is functioning as it should.


Need Help With a Slow Drainage Issue?

If you’re dealing with a slow-draining shower, bath, or basin, don’t wait until it becomes a full blockage.
At Plumbing Solutions and Gas Fitting, we’ve got the tools, experience, and local know-how to get your drains running smoothly again.
We service the Northern and Inner Brisbane suburbs with prompt, reliable, and professional plumbing support.

Call us to make an appointment or to
get a quote!

Call Plumbing Solutions and Gas Fitting
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Eastern Melbourne Suburbs and Yarra Valley

Eastern Melbourne Suburbs
& Yarra Valley

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Plumbing Solutions & Gas Fitting ( Q & A )

  • Generally Melbourne East and Yarra Valley.

  • Yes, we provide a 24/7 emergency service.

  • Yes, we complete and submit the paper work for ESV and VBA.

  • Yes, $160 and that included the first hour of labour.

  • The answer to this frequently asked question isn't straightforward because the cost of plumbing services can vary greatly. It hinges on the severity of the issue, the materials required, and the duration needed to fix it. That's the reason why fixed pricing isn't common among plumbers and other tradespeople. At most, you might get a rough estimate initially, but be prepared for the final cost to adjust after the job is done.

  • It depends on the circumstances and area.  As a split system is superior in cooling to an evaporative system, so a ducted heating system will be far more efficient then a split system in heating your house. However, if the area you want to heat is an isolated room then a split system may be better. 

  • All too often a major give away that there is a leak present on your gas line is a high gas bill. With the price of gas sky rocketing over the past few months no one wants to be throwing money away. If your gas bill is consistently high come summer time when no heating is in used, be sure to have your gas line tested and any leaks fixed sooner then later.

  • A clogged drain is often due to debris accumulation within the pipes. Being mindful of what goes down your drains can prevent this typical plumbing problem. In the kitchen, avoid disposing of oil and food remnants in the sink since they can trap other waste, leading to blockages. Similarly, in the bathroom, hair can gather and snag soap residue and other materials, causing obstructions. If a plunger or household drain cleaner doesn't clear the blockage, it might be time to call a plumber.

  • Similar to how blocked drains occur, a toilet usually gets clogged due to the flushing of inappropriate items down into the sewage system. The only things that should be flushed are bodily waste and toilet paper. Flushing items like sanitary products, baby wipes, and paper towels, which don't break down easily, can lead to a clog. A blocked toilet is a serious plumbing issue that requires immediate attention. Therefore, if you encounter such a problem, it's crucial to call a plumber promptly and be mindful of what you dispose of in your toilet moving forward.

  • Brown water is a clear indication that your main water line is galvanised pipe. The galvanised pipe slowly starts to rust and corrode on the inside reducing your water pressure and in turn giving you rusty brown drinking water coming out of your taps.

  • It's a gamble to leave your water valve open while you're away. Without anyone to monitor it, unnoticed leaks or pipe bursts can happen. Even a minor drip can turn into a major flood over an extended period. Just as you ensure to pack your necessities and switch off the gas and electricity before a journey, shutting off the water valve is equally crucial. It's one simple step that shouldn't be overlooked.

  • A sewer smell in the house often indicates one or more of your water traps has dried up. If your water traps do not have a water seal nothing prevents those smelly disease ridden sewer smells filling up the family home.

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