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How to Keep Your Pool Walls Immaculate: The Secret to a Truly Sparkling Pool

2025-02-28

When it comes to a pool, you will probably envision sparkling water and a pristine surface. But one area is often neglected: the pool walls. And it can easily become covered in dirt, algae and calcium deposits without proper maintenance. It can be easy to get caught up only thinking about the water and pool floor, but cleaning the walls is also an important part of pool cleaning, both from an aesthetic and hygienic perspective. We’ll discuss why it is important to clean your pool’s walls, how modern technology has made this simple, and how to decide on the best cleaner that will make your swimming pool look perfect.

Why Pool Wall Cleaning Is a Must for a Pristine Pool

When we think pool cleaning, most of the time the waterline and floor take centre stage. Cleaning the walls of your pool is just as important as cleaning the floor and both of the two will work together in creating a safe and clean pool environment.


First, let’s discuss hygiene. Over time, algae, black water line, bacteria and other contaminants can cover the walls of your pool, especially in the sections that do not get direct sunlight or receive heavy shade. Algae can especially multiply quickly on the walls of a pool and cause plumbing lines to become dirty, leaving the swimming water murky and unwelcoming if not properly cleaned. This can not only affect the aesthetic quality of your pool but can also render swimming an unhealthy activity with potential skin irritations or infections on the surface of your body.


And then there’s the problem of calcium buildup and scum at the waterline. These can develop thanks to high mineral levels in your pool water, and after they harden, they are nearly impossible to eliminate. Calcium deposits on the pool walls are not only unsightly, giving your pool a neglected, old look, but scrubbing them off by hand is time-consuming, and not always effective.


Cleaning the walls of a pool on a regular basis also extends the lifetime of your pool, far beyond health and aesthetic needs. Dirt, algae and scale can do much damage to the surface, and the longer you allow them to build up, the more you’ll have to pay to repair the damage later. Spending money on proper cleaning is not only keeping your pool in excellent condition but also protecting your investment as a whole.

The Challenge of Cleaning Pool Walls: Human vs. Robot

Cleaning pool walls isn’t as simple as it might seem. The work is arduous for humans. Because scrubbing vertical surfaces requires work, and even with a long-handled brush, it’s hard to get into every nook and cranny for a good scrub. The waterline, where scum and calcium buildup tend to be most pronounced, can become especially tricky. As hard as you try, it's difficult to reach those areas without missing spots or leaving streaks, even for the most conscientious pool owners.


However, cleaning vertical surfaces presents a different challenge to robotic pool cleaners. Unlike pool vacuums that use suction or pressure, robotic cleaners have to be agile enough to scale the walls without slipping off. It takes a combination of strong motors, distinctive brushes, and advanced algorithms to make this happen. In fact, it has to maintain a consistent pace so that it scrubs each square inch of the wall — even the challenging spots such as the waterline.


Nonetheless, the technology behind robotic cleaners has come a long way over the past several years and these devices can be extremely efficient at cleaning walls. They also have succeeded to generate the exact challenges that have made hands-on scrubbing so cumbersome and are a hands-free and productive solution.

The Tech That Makes Pool Wall Cleaning a Breeze

So, what are some of the unique challenges with pool wall cleanings and how do we overcome them? It’s not simply a scrub with a brush: Modern pool cleaners are high-tech, made to tackle these vertical surfaces. Let’s examine the innovations that make pool cleaners of today so effective.


With that said, if you have a top-of-the-line pool cleaner you can expect a machine that cleans both the pool floor and the walls. However, being able to scrub the walls takes a little more than suction or a brush, it needs tech that allows the cleaner to climb on vertical surfaces and scrub into every corner. The robotic pool cleaner is one of the most popular types.


Robotic vacuums are a true wonder of modern technology. Unlike traditional cleaners that depend on suction or pressure from the pool’s filtration system, robotic cleaners have their own motors. They can move freely around your pool, climb walls and scrub the waterline, leaving no surface left undocumented.


These cleaners feature unique brushes and wheels to help them grab on to the pool’s surface. Some models climb with an interesting approach as they use a combination of rubber wheels and powerful suction to help them scale the walls, while others are equipped with tracks allowing upwards and downwards movement. Once they’re up on the walls, the motorized brushes go to work loosening dirt and algae, while the suction guarantees that everything gets sucked into its onboard filter.


The appeal of robotic cleaners is their autonomy. You can just throw them in your pool, and everything is done. There is no need to worry about constant supervision, and they even clean the waterline, which is known to accumulate debris and scum.


There are also pressure-side and suction-side cleaners that can also clean walls. Pressure-side cleaners utilize water pressure from your pool’s pump to push them across the pool’s surface, including the walls. These cleaners generally scrub the walls with brushes and use a vacuuming system to suck up the debris. They work well but need the pool’s pump to be working, which can make them less efficient than robotic cleaners at times.


Suction-side cleaners operate the same way, but use your pool’s filtration system to generate suction. They roam the floor and walls, gathering grime during the journey. They are, however, not as powerful for cleaning vertical walls, especially steep ones, as the rest of the cleaners.

Robotic Pool Cleaners: The Ultimate Solution for Sparkling Walls

Of course, robotic pool cleaners are the best option capable of cleaning the walls among all other options. Here’s why:

  • Efficiency

Robotic cleaners are designed specifically to handle both the floor and walls of your pool with ease. These robotic little critters have fancy algorithms that allow them to roam your pool and clean every nook and cranny. They come with built-in sensors that can identify barriers, so they can adjust their movement to thoroughly scrub the walls.

  • Precision

Wall-climbing is not just about power, it’s about precision. Most of the robotic cleaners pack advanced motorized brushes that can scrub off dirt, algae, and calcium deposits effortlessly. This kind of precision also means that it doesn't matter how stubborn the dirt is – if it's on your pool walls, it will come off.

  • Convenience

One of the biggest benefits of robotic pool cleaners is their automation. Once set up, they can clean without your involvement. It is especially great if you have a tight schedule or would rather not deal with manual cleaning.

  • Waterline Cleaning

The waterline is another critical area of the pool that many people neglect. Robotic cleaners can give this space a thorough scrubbing, cleaning away any scum and build-up that can lead to staining or unpleasant odors.

Picking the Perfect Pool Cleaner: What to Consider

There are a few factors to consider when selecting the right pool wall cleaner. Here are some factors to think about as you decide:

  • Pool Size and Shape

Your pool size and shape will be important in deciding the type of cleaner you will require. If you have a large pool with an odd shape, then a robotic cleaner may be best; if you have a smaller pool, suction-side or pressure-side cleaners may work well, too.

  • Wall Height

Robotic cleaners are the best choice for deep or tall walls as they can easily clean vertical surfaces.

  • Cleaning Features

Choose models with those features designed for cleaning walls with strong suction, climbing wheels and specific brushes.

  • Ease of Use

Robotic cleaners are usually the most user-friendly because they’re self-operating. But if you like a little more hands-on approach, a pressure-side or suction-side cleaner may be your preferred choice.

  • Budget

Robotic cleaners tend to have higher sticker prices than pressure-side and suction-side models. However, their efficiency and ability to clean the walls thoroughly may make them a worthy investment in the long run.

Pro Tips for Keeping Your Pool Walls in Top Shape

Maintenance is key to ensure your wall cleaner and pool walls stay in tip-top shape once you’ve decided on the best pool wall cleaner for your needs. Here are a few tips:


  • Regular Cleaning

It is highly advised to clean your pool walls at least once a week. If you live in a humid area or in an area with lots of debris, then you had better clean your pool walls more regularly. Routine cleaning prevents buildup, making it a quicker, more efficient process.


  • Monitor the Waterline

Pay special attention to the waterline, where dirt and scum build up. A lot of robotic cleaners have specialized brushes for this area, but it’s still a good idea to do a thorough cleaning every now and then.


  • Clean Your Cleaner

Your cleaner also needs care, just like your pool. Rinse your cleaner after each use to get rid of any debris that may have become stuck. Periodically inspect the brushes, wheels and filters for damage.


  • Test the Water Chemistry

Say what you will about good chemistry, it is what keeps your pool clean. Make sure pH and calcium hardness levels in your pool are balanced to help mitigate the risk of stains and scale depositing on walls.

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About the author

Nathanael Greene

Nathanael Greene is a seasoned professional with over 15 years of experience in the realm of pool design, construction, and maintenance. His love for swimming pools originated in his childhood, and over the years, this passion has evolved into a deep understanding and expertise within the pool industry. As a blog writer for Beatbot, Nathanael is dedicated to sharing his wealth of experience and insights with a wider audience, aiming to enhance and enrich people's outdoor living experiences.

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