Hydro jetting is a professional plumbing method used to clear blockages and clean the inside of pipes using high pressure water jetting. It involves directing a powerful stream of water through specialised hoses and nozzles to remove grease, sludge, mineral buildup, soap residue and tree roots from drain and sewer lines. Unlike basic drain cleaning methods that only open a blockage, hydro jetting washes the entire internal surface of the pipe, restoring proper flow and improving overall pipe condition. This form of water jetting is widely used in plumbing across Australia for residential, commercial and industrial systems because it is highly effective, chemical free and helps maintain long term drainage performance when used correctly.
Hydro jetting works by using a specialised plumbing machine that forces high pressure water through a reinforced hose and precision nozzle to clean the inside of pipes. The process begins by inserting the hose into the drain or sewer line, where the nozzle releases powerful streams of water in multiple directions. These water jets break apart grease, sludge, scale, debris and tree roots while also scrubbing the pipe walls clean. As the water jetting nozzle moves through the pipe, it flushes loosened material back toward the entry point, restoring normal flow. Because hydro jetting cleans the full internal surface of the pipe rather than just pushing through a blockage, it is an effective plumbing solution for maintaining drains and sewer lines and reducing the chance of future blockages.
For most residential properties, hydro jetting can cost around $300 to $800 for a standard drain or sewer line cleaning. Simple blockages that are easy to access tend to be on the lower end of this range, while deeper or more stubborn blockages can push the price higher.
For larger or more complex plumbing systems, such as long sewer lines or commercial drains, the cost can increase to anywhere between $800 and $2,000 or more. These jobs require larger water jetting equipment, increased labour and sometimes multiple nozzles to fully clean the pipes.
Additional factors that influence the price include how easy it is to access the drain, whether cameras are used to inspect before and after the cleaning, and whether root cutting is required as part of the service.
The hydro jetting procedure follows a structured process to ensure drains and sewer lines are cleaned safely and effectively using high pressure water. The procedure usually starts with an initial inspection of the pipework to assess the condition of the drain and identify blockages, grease buildup, roots or other obstructions. This step helps confirm that the pipes are suitable for water jetting and determines the correct pressure and nozzle to use. Once assessed, the hydro jetting equipment is prepared and connected to a reliable water source.
A suitable jetting nozzle is attached to the hose and the hose is carefully fed into the drain or sewer line. The machine is then activated, releasing controlled high pressure water that moves through the pipe, breaking apart debris and thoroughly cleaning the pipe walls. During the process, the operator gradually advances and retracts the hose to ensure the entire line is cleaned evenly. After jetting is complete, the system is shut down safely and the drain is flushed to remove any remaining debris. In many cases, a final inspection is carried out to confirm the pipe is clear and flowing correctly, completing the hydro jetting procedure.
Hydro jetting can damage pipes if it is not used correctly, especially when dealing with old pipes or cast iron pipes. While hydro jetting is a powerful and effective plumbing method that uses high pressure water to clean sewer lines and drains, the condition of the pipe plays an important role in how safe the process is. Older pipes may already have weakened joints, corrosion or cracks that can be affected by strong water jetting if the pressure is too high. Cast iron pipes, which are common in older properties, can also become brittle over time due to rust and internal wear. When hydro jetting is performed without proper inspection or pressure control, there is a risk of worsening existing damage in these pipes. However, when carried out by an experienced professional who assesses the pipe condition first and adjusts the water pressure accordingly, hydro jetting is generally safe and effective even for older plumbing systems. This is why a prior inspection is essential before hydro jetting is used on old pipes or cast iron pipes.
Yes, hydro jetting can remove roots from sewer lines and drains, but how effective it is depends on the size and severity of the root intrusion. Hydro jetting uses high pressure water jetting to cut through fine tree roots and flush them out of the pipe, along with grease, sludge and debris. This makes it a very effective plumbing method for clearing blockages caused by small to medium root growth inside a sewer line.
However, hydro jetting does not kill the tree or permanently stop roots from growing back. If there are cracks, loose joints or damaged sections in the pipe, roots may return over time. In cases of heavy or well established root intrusion, hydro jetting is often used alongside other solutions such as pipe relining or repairs to prevent future root entry. When performed correctly, hydro jetting is a reliable way to restore flow and clean pipes affected by roots without using harsh chemicals or invasive digging.
In many cases, the results can last for several months to a few years because hydro jetting cleans the entire inside of the pipe, not just the immediate blockage. By removing grease, sludge, scale and debris from the pipe walls, it restores proper flow and reduces the chance of quick build up returning.
If the sewer line is in good condition with no cracks or joint damage, hydro jetting can provide long lasting results, especially when combined with good plumbing maintenance habits. However, if the pipes have structural issues or recurring problems such as tree root intrusion, blockages will return sooner. In these situations, hydro jetting is still highly effective, but additional repairs or preventative measures may be needed to extend the results even further.
Hydro jetting usually takes between one and two hours to complete, depending on the length of the drain, the severity of the blockage and the condition of the sewer line. For minor blockages or routine maintenance, the process will be completed fairly quickly. More complex jobs involving heavy grease build up, tree roots or long pipe runs will take additional time so the water jetting can thoroughly clean the entire pipe. Before starting, plumbers often inspect the line to assess the issue, which helps ensure the hydro jetting is carried out efficiently and safely.
For most residential homes, a thorough hydro jetting service every few years is usually enough to prevent grease, debris and sludge from building up inside the sewer line. This helps maintain smooth flow and reduces the risk of unexpected blockages. Older homes often require more frequent hydro jetting, especially where stainless steel or galvanised pipes are present, as these materials are more prone to mineral build up and internal scaling over time. Properties that experience recurring drain issues, heavy usage or tree root intrusion may also benefit from regular water jetting as part of a preventative plumbing maintenance plan.
Hydro jetting is often worth it because it provides a deeper and more thorough clean of your sewer line than traditional methods like snaking. While snaking may clear a visible blockage, hydro jetting uses high pressure water to wash the entire internal surface of the pipe, removing grease, sludge, roots and built up debris rather than just pushing the clog through. This means you are less likely to have the same problem return quickly, which can save money on repeated call outs and emergency plumbing work over time. For residential, commercial and industrial plumbing systems, the upfront cost of hydro jetting can be offset by the improved performance, fewer blockages and longer periods between services. It also avoids the use of harsh chemicals, which many homeowners and businesses prefer. In many cases homeowners find that investing in hydro jetting results in fewer surprises, better flow and longer lasting results, making it a worthwhile plumbing solution.
Thoroughly cleans the inside of pipes by removing grease, sludge, mineral build up and debris rather than just clearing a single blockage
Effectively removes tree roots and organic material from sewer lines when used with the correct nozzle and pressure
Restores proper water flow by washing pipe walls clean and reducing the chance of recurring blockages
Suitable for residential, commercial and industrial plumbing systems including sewer lines and main drains
Uses high pressure water only, making it an environmentally friendly option without harsh chemicals
Helps identify underlying pipe issues during the process, allowing plumbers to assess pipe condition more accurately
Reduces the need for frequent plumbing call outs by delivering longer lasting results compared to basic drain cleaning
Safe for most modern plumbing systems when performed by experienced professionals using the correct pressure settings
Saves time in the long term by addressing the root cause of blockages rather than temporary fixes
Improves overall plumbing system performance and reliability
Hydro jetting and drain snaking are both common plumbing methods used to clear blocked drains and sewer lines, but they work in very different ways and deliver different results.
Hydro jetting uses high pressure water to clean the inside of pipes thoroughly. The water blasts away grease, sludge, mineral build up and tree roots while also washing the pipe walls clean. This method treats the entire pipe, not just the blockage, which helps restore full flow and reduce the chance of future blockages. Hydro jetting is commonly used for recurring drain issues, commercial plumbing systems and sewer line maintenance where a deep clean is required.
Drain snaking works by pushing a metal cable with a cutting or auger head through the pipe to break through a blockage. It is effective for simple clogs caused by hair, paper or small debris and is often used as a quick solution. However, snaking usually creates a hole through the blockage rather than removing all the build up inside the pipe. This means residue can remain on the pipe walls and the blockage may return over time.
In comparison, hydro jetting provides a longer lasting solution by fully cleaning the pipe, while snaking is better suited for minor or isolated blockages. The right option depends on the condition of the drain, the type of blockage and how often the issue occurs. For persistent sewer line problems, hydro jetting is generally the more effective and reliable choice.
To explore the range of hydro jetting equipment available and get a sense of typical machine options and prices, you can check out the full collection of hydro jetting machines. Entry-level, portable jetters suited to small property maintenance or light plumbing tasks will usually cost less than larger. In Australia, a basic hydro jetting machine suitable for everyday plumbing jobs might be found at a lower price point, while high pressure, commercial grade units designed for frequent use on deep sewer lines will be at the higher end of the price range. When considering pricing it is important to also factor in the quality of the pump, the flow rate, the maximum pressure output and any accessories or nozzles included with the system.
A hydro jet attachment for a pressure washer is a specialised accessory designed to turn a standard pressure washer into an effective drain and pipe cleaning tool. This attachment connects to the pressure washer hose and delivers high pressure water through a flexible line that can be fed into drains and pipes. The cleaning power comes from hydro jet heads and a hydro jet nozzle, which are engineered to spray water backwards and sometimes forwards to break up grease, sludge, scale and debris inside the pipe.
The backward jets help pull the hose through the line while flushing waste back toward the entry point, making it effective for clearing blockages and cleaning pipe walls. Different hydro jet heads are available for different tasks, such as penetrating tough clogs or flushing loose material, while the hydro jet nozzle controls the spray pattern and water flow. A hydro jet attachment is commonly used for light to medium drain cleaning work and is a practical option for maintenance jobs where a full scale jetter machine is not required.
