
June 25, 2025

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The Ultimate Guide to Preventing Pesky Blocked Drains
Are you dealing with blocked drains again?
You’re washing dishes or taking a shower when the water starts to drain slowly, or not at all. It’s a simple inconvenience that can escalate fast. But what if you could prevent these messy blockages entirely?
This ultimate guide to blocked drains arms you with expert insights to understand the common blocked drain types, master practical drain cleaning methods, and learn how to fix blocked drains, for good.
Ready to reclaim smooth plumbing?
Why Preventing Blocked Drains Matters
Blocked drains can quickly lead to bigger issues such as pipe damage, expensive repairs, foul odours, and even mould.
Preventing them keeps your home running efficiently and saves you time, money, and heartache.
Understanding Blocked Drain Types
Here are the main blocked drain types:
Foreign Objects: Hair, Soap, and Food Scraps
These everyday household items accumulate in drains over time, forming stubborn blocks.
Grease Buildup in Kitchen Drains
Oil and fat solidify when they cool, creating adhesive blockages in pipes.
Tree Root Intrusion
Underground tree roots seek moisture and can crack or crush old pipes, blocking entire sewer lines.
Structural and Design Failures
Pipes with improper slope or cracks impede flow. Poor design can lead to pooling and blockages.
Flushing Improper Items Down the Toilet
Items like wipes, cotton buds, and sanitary products don’t break down and block your sewer system.
How Blockages Develop
- Waste enters your drain.
- Debris collects, especially grease or hair.
- Build‑up restricts water flow.
- Drain becomes slow or backs up.
- Full blockage or pipe damage occurs if left untreated.
Effective Drain Cleaning Methods
Here are the effective drain cleaning methods:
How to Use a Plunger
Start by covering the drain completely and pushing firmly. Repeat until water flows again.
Using a Drain Snake or Auger
Boil water and pour slowly in intervals. It loosens grease and soap scum over time.
Baking Soda and Vinegar Technique
Pour ½ cup of baking soda followed by 1 cup vinegar. Wait 30 minutes before flushing with hot water.
Enzyme-Based Cleaners
Use eco-friendly enzyme cleaners overnight to naturally digest organic waste.
Expert DIY Tips to Fix Blocked Drains
Apply the right drain cleaning methods based on the blockage:
- Hair/soap scum: Use a drain snake or natural cleaners.
- Grease: Flush with hot water regularly and use strainers.
- Foreign objects: Locate with a snake and remove manually.
- Tree roots or pipe damage: Call in professionals for CCTV inspection and repair.
These DIY steps help you know how to fix blocked drains, at least temporarily, while avoiding costly chemicals.
Preventative Measures for Blocked Drains
Keeping systems clear takes small daily efforts.
- Install drain guards in sinks and showers.
- Dispose of grease properly—never down the drain.
- Flush only toilet paper to protect your sewer lines.
- Avoid planting trees near pipes to reduce root damage.
- Clean traps monthly to scrap debris.
- Schedule professional maintenance annually for peace of mind.
These steps make your ultimate guide to blocked drains practical and enduring.
Cost Benefits of Prevention vs Repair
DIY prevention measures cost little compared to professional repairs. Dealing with a major blockage can run into hundreds or thousands of dollars, especially if pipes need relining or excavation.
Avoid the stress and expense by taking action early with simple preventive steps.
Real-Life Examples of Drain Blockages
Here are the real-life examples of drain blockages:
Bathroom Hair Build-Up
A shower blocked by hair took just a plunger and DIY snake to fix, effective and quick.
Grease-Caused Kitchen Blockage
Following a hot-water flush and baking soda combo, water flows freely again in under 30 minutes.
Tree Roots in Sewer Line
A professional CCTV inspection revealed root intrusion. A trenchless pipe relining resolved the issue permanently.
Tech Solutions to Keep Your Drains Clear
- CCTV camera inspections reveal blockages and pipe damage.
- Hydro-jetting blasts pipe interiors clean and are available from professionals.
- Pipe relining offers a no-dig method to fix broken pipes.
While more expensive, these techniques ensure long-lasting solutions.
When to Call Sewer Surgeon
If your blockage persists after DIY attempts or you notice foul smells, gurgling, or multiple blocked fixtures, it’s time to bring in the experts.
At Sewer Surgeon, our trained plumbers use the latest methods, like hydro‑jetting and CCTV, to restore flow fast, without unnecessary excavation.
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Sewer Surgeon’s Clear‑Mind Guarantee
You now have the ultimate guide to blocked drains, with insight into blocked drain types, cost-effective drain cleaning methods, and tips on how to fix blocked drains yourself.
We deliver solutions that keep your plumbing flowing freely, whether it’s a DIY fix or professional service.
Call us today at 1300 734 677 for expert help preventing and solving drain issues.
Frequently Asked Questions
What are some things to keep in mind to avoid blocked drains?
Use drain strainers, dispose of grease responsibly, and avoid flushing non-biodegradable items.
How to prevent blocked drains?
Maintain your system with strainers, enzyme cleaners, hot water flushes and routine plumbing checks.
Are chemical drain cleaners safe?
They can corrode pipes and harm the environment. Natural or enzyme-based cleaners are a safer option.
Can I fix a blocked drain myself?
Yes, for minor issues using plungers, snakes, or homemade cleaners. For persistent or deep blockages, call a plumber.
How often should professional maintenance happen?
Annually or every two years is ideal, depending on your drain activity and household size.

Andy Quinn
Founder
Andy Quinn is the founder of Sewer Surgeon, a family-owned plumbing business serving Sydney with over 63 years of combined industry expertise. Andy and his team specialize in delivering reliable solutions for everything from blocked drains to emergency plumbing, ensuring quality service and customer satisfaction.