POSTED: 25/06/2026
Buying a pool cleaner should make pool maintenance easier, not more frustrating. A good cleaner can save time, keep the water looking better and reduce the amount of manual brushing and vacuuming you need to do. But choosing the wrong one can lead to poor cleaning results, extra repairs, wasted money and plenty of regret.
The challenge is that pool cleaners are not all designed for the same pools. What works beautifully in one backyard may struggle in another. Pool size, shape, surface, debris type, pump strength, steps, ledges and budget all play a part.
Before you buy, it is worth knowing the common mistakes that can cost more in the long run.
Choosing Based on Price Alone
It is understandable to look for a good deal, but the cheapest pool cleaner is not always the best value. A low-cost cleaner may be fine for a small, simple pool, but it may not cope well with larger pools, heavy leaf fall or more complex shapes.
If a cleaner does not suit your pool, you may end up spending more time manually cleaning anyway. Worse, you may need to replace it sooner than expected.
A better approach is to think about long-term value. A cleaner that costs a little more upfront but works properly, lasts longer and needs fewer repairs can be the smarter choice.
Not Matching the Cleaner to Your Pool Type
Different pools need different cleaners. A small fibreglass plunge pool does not have the same needs as a large concrete pool surrounded by trees.
Before buying, consider your pool surface. Some cleaners are better suited to concrete, pebblecrete, fibreglass or vinyl-lined pools. The wrong cleaner may struggle to grip, move properly or clean the surface effectively.
Pool shape matters too. If your pool has tight corners, steps, benches, ledges or an unusual shape, you need a cleaner that can handle those areas. Otherwise, you may find it keeps getting stuck or misses the same spots every time.
Ignoring the Type of Debris in Your Pool
One of the biggest mistakes is choosing a pool cleaner without thinking about what it actually needs to pick up.
If your pool mainly collects fine dust, sand or dirt, you may need a cleaner with good filtration or fine debris capture. If your pool is surrounded by gum trees, palms or large-leaf plants, you will need something that can handle bigger debris without clogging constantly.
Some cleaners are excellent with fine particles but struggle with leaves. Others pick up leaves well but may not collect fine dust as effectively.
Look at what usually ends up in your pool before choosing a cleaner. The right match will save a lot of frustration.
Buying Without Considering Your Pump System
Suction pool cleaners rely on your pool’s pump and filtration system to operate. If the pump is not strong enough, or if the plumbing setup is not suitable, the cleaner may move slowly, lose suction or stop working properly.
This is where people can get caught out. They buy a cleaner that looks suitable but do not check whether their existing pool system can support it.
Robotic pool cleaners operate independently from the pool pump, which can make them a better choice for some homes. They plug into power and have their own internal motor and filtration system.
Before buying a suction cleaner, make sure your pump and system are suitable. If you are unsure, ask a pool professional rather than guessing.
Assuming Robotic Is Always Better
Robotic pool cleaners are popular for good reason. They can be efficient, convenient and independent from the pool’s main filtration system. Many models can scrub walls, collect fine debris and run on programmed cleaning cycles.
However, robotic does not automatically mean best for every pool. They usually cost more upfront, and different models vary a lot in quality and features.
A basic robotic cleaner may not suit a large or complex pool. A premium robotic cleaner may be more than you need for a small pool with light debris.
The best pool cleaner is the one that suits your pool and maintenance routine, not just the one
with the most impressive label.
Forgetting About Steps, Ledges and Walls
Some pool cleaners only clean the floor. Others can climb walls, scrub the waterline or navigate ledges more effectively.
If your pool has steps, seating areas or a ledge, check how the cleaner handles those features. Many cleaners will not fully clean steps, so you may still need to brush those manually. That is not necessarily a problem, as long as you know before buying.
If wall cleaning matters to you, make sure the cleaner is designed for it. Do not assume every model will climb and clean walls properly.
Not Checking Cable or Hose Length
This is a simple mistake, but it can be annoying. If the hose or cable is too short, the cleaner may not reach the full pool. If it is far too long, it may tangle more easily or become awkward to manage.
Measure your pool and check the manufacturer’s recommended pool size. For robotic cleaners, consider where the power supply will sit and whether the cable length is suitable. For suction cleaners, check the hose length and whether extra sections are available if needed.
A cleaner should comfortably reach the whole pool without being stretched or constantly tangled.
Overlooking Ease of Cleaning
A pool cleaner still needs to be emptied, cleaned and maintained. If this process is messy or difficult, you may quickly get tired of using it.
Check how the cleaner collects debris. Does it have a basket, bag, cartridge or rely on the pool filter? Is it easy to remove and rinse? Can you see when it is full?
Robotic cleaners often have internal filter baskets or cartridges that need regular cleaning. Suction cleaners may send debris to the pool filter or use a leaf canister, depending on the setup.
A cleaner that is easy to empty is more likely to be used properly.
Not Thinking About Ongoing Costs
The purchase price is only one part of the total cost. Over time, you may need replacement hoses, diaphragms, wheels, tracks, brushes, filters, bags or other parts.
Some brands have parts that are easy to find and replace. Others may be more difficult or expensive to service.
Before buying a pool cleaner, check whether replacement parts are readily available. A cheaper cleaner can become expensive if parts wear out quickly or are hard to source.
Ignoring Warranty and Support
A pool cleaner is a working machine that operates in a wet, demanding environment. Warranty and after-sales support matter.
Before buying, check what the warranty covers, how long it lasts and whether servicing is available locally. A strong warranty can provide peace of mind, but only if support is easy to access.
It is also worth buying from a supplier who can help you choose the right cleaner, not just sell you a box. Good advice upfront can prevent a poor match and save money later.
Not Reading the Instructions
Many pool cleaner problems come from incorrect setup or use. Hoses may need adjusting, flow may need to be set correctly, baskets may need cleaning, or the cleaner may need to be removed from the pool after use.
Skipping the instructions can lead to poor performance or unnecessary wear. Even a good cleaner can disappoint if it is not set up properly.
Take the time to follow the setup guide, especially for suction cleaners where flow and hose length can affect movement.
Choosing the Right Pool Cleaner from the Start
A good pool cleaner should suit your pool, your debris type and the amount of maintenance you want to do. It should move properly, clean effectively and be easy enough to maintain.
Before buying a pool cleaner, think about your pool surface, size, shape, pump system, debris load, steps, walls, cable length and ongoing costs. Do not choose based on price alone, and do not assume the most expensive model is automatically the right one.
The right cleaner can make pool ownership much easier. The wrong one can cost more in wasted time, repairs and unnecessary replacement costs over the years.