How can you clean the bottom of the pool with a robot?
The pool bottom is the area where the most dirt accumulates: dead leaves, sand, dust, algae, etc. If it is not cleaned regularly, the water becomes cloudy, the filters become clogged, and swimming becomes less comfortable. Fortunately, modern pool cleaners automate this cleaning, with formidable efficiency and without effort. But you still need to know how to use them properly. From choosing the right model to preparing the pool and the cleaning cycles, this article explains in detail how to clean the bottom of your pool with a cleaner, for clear water at all times and simplified maintenance.
Preparing the pool before launching the robot
Before putting the robot in the water, a minimum of preparation is required to ensure effective cleaning. Start by removing the largest floating debris with a net, especially if your pool has been exposed to wind or leaves. This avoids unnecessarily saturating the robot's filter from the start. Also check that there is enough water to allow the robot to move freely, especially if it is wireless. Make sure the bottom is clear: remove toys, floating thermometers or any object that could hinder the progress of the device. Finally, if you have a blanket or curtain, open it completely. Some robots, such as BEATBOT (AquaSense 2, AquaSense 2 Pro, etc.) require optimal manoeuvring space to function properly. Good preparation beforehand avoids unnecessary blockages, extends the life of the robot and guarantees even cleaning of the entire bottom of the pool.Choosing the right cleaning mode for the bottom
Most electric pool robots offer several programmes: bottom only, bottom + walls, or complete cleaning with water line. For targeted cleaning of the bottom, select the 'bottom only' mode if your robot allows it. This concentrates all the energy on this area and reduces the cycle time. This type of cleaning is recommended after a heavy storm, at the start of the season, or when the bottom is particularly dirty. On connected robots such as the BEATBOT AquaSense Pro, the mode is selected via a mobile application, with the option to customise the duration or send the robot to a specific area of the bottom. More basic robots, on the other hand, operate according to a predefined cycle that covers the entire pool, including the bottom. In any case, it is important not to interrupt the robot before the end of the cycle, so that it can cover the entire pool. Cleaning the bottom is generally effective from the first pass, provided that the filter is clean and that the bottom is not too clogged with sticky deposits such as algae.Understanding how the robot works at the bottom of the pool
Once submerged, the pool robot moves thanks to a drive motor that activates its wheels or tracks. It sucks up water and debris through a mouth located under the device and directs it to an integrated filter tank. Depending on the model, the movement is random or follows an intelligent map. High-end robots, such as those by Dolphin Maytronics, Hayward or BEATBOT, use gyroscopic sensors to optimise their trajectory and guarantee total coverage of the bottom. The rotating brushes remove encrusted dirt, which is then vacuumed up. The filter retains leaves, sand, insects, algae and fine dust. Once the cycle is complete, simply take the robot out of the water, empty and rinse the filter. The efficiency will depend on the fineness of the filter (expressed in microns), the suction power and the condition of the floor. Robots equipped with active brushes offer better results, especially on rough floors or with sticky deposits. For cordless robots, make sure that the battery has enough charge to cover the entire surface. To maximise the performance of your robot when cleaning the bottom, there are a few best practices to follow. First, clean the filter before each cycle. A dirty filter limits the suction flow and reduces overall efficiency. Also check the condition of the brushes and replace them if they are worn. During the cycle, avoid bathing people in the pool, as this disrupts the robot's movements. If your pool has a complex shape (stairs, corners, submerged areas), it may be useful to move the robot manually at the end of the cycle to treat areas that are poorly covered. Some models even allow manual control via remote control or mobile app. To keep the bottom clean over time, it is best to schedule regular cleaning, every 2 to 3 days in high season. This will prevent the accumulation of dirt and prolong the clarity of the water. When combined with good filtration and surface cleaning (using a robotic skimmer such as the iSkim Ultra from BEATBOT), cleaning the bottom becomes a quick, automatic and effortless operation.Maintaining the robot to preserve its performance
A well-maintained pool robot will ensure years of efficient use. After each use, rinse the filter with clean water, paying particular attention to areas where debris accumulates. If the robot has been used after shock treatment or in very dirty water, it may need to be cleaned more thoroughly with soapy water. Check the tracks or wheels regularly, as hair or fibres can build up and disrupt their rotation. Store the robot in the shade, in a technical room or shelter, to avoid UV rays and preserve the electronics. Wired models must be stored carefully, with the cable properly wound to avoid kinks. Cordless robots, such as certain BEATBOT models, should be recharged immediately after use to prolong the battery life. Finally, carry out a general check at the start of each season: filters, seals, connectors, software (if applicable). Rigorous maintenance not only guarantees better performance at the bottom of the pool, but also a longer lifespan for your investment.Easy bottom cleaning, longer swimming pleasure
Thanks to modern pool robots, cleaning the bottom of the pool is no longer a chore. In a few simple steps, you can start an autonomous cycle that ensures impeccable cleanliness, even after a weekend of intensive swimming or a windy spell. With a robot adapted to your pool, such as the BEATBOT AquaSense 2 Ultra or a connected model from a reputable brand, you save valuable time while ensuring perfect hygiene. Regular cleaning also reduces the need for chemical intervention, lightens the load on the main filter and prevents long-term deposits. Combined with a good skimmer and well-adjusted filtration, the robot becomes the centre of intelligent and sustainable maintenance. The result: crystal-clear water, a clean bottom and a pool that is always ready to welcome you for moments of relaxation. Just press a button... and enjoy.Published on 07/04/2025
