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Preguntas frecuentes sobre Pool bottom cleaner

What pump power is required for a suction-side pool cleaner?

A suction-side hydraulic pool cleaner requires a minimum pump power of 0.5 to 0.75 hp to move smoothly across the floor. If the water flow is insufficient, the internal mechanism will not generate enough traction to draw sediment into the filtration system.

High-performance units such as the Zodiac MX8 automatic pool cleaner feature dual turbines that require at least 0.75 hp to climb slopes and suction up heavy particles without mechanical blockages in the hose.

I have an in-ground pool with lots of falling leaves and coarse dirt. Which pool cleaner should I get to avoid clogging the pump pre-filter?

For pools surrounded by trees or exposed to abundant vegetation, it is advisable to install a hydraulic pool cleaner equipped with an intermediate trap before the main pump. Large organic debris quickly clogs conventional baskets if it enters continuously.

To address this operational limitation, we recommend adding specialized accessories:

A cyclonic pre-filter such as the Zodiac Cyclonic™ Leaf Catcher leaf pre-filter, which catches leaves and branches as they pass through the floating hose.
Diaphragm or chain-driven suction pool cleaners with a wide inlet nozzle.
Empty the filter regularly to ensure the system's flow rate does not suffer drastic drops in performance.

What is the difference between a manual pool cleaner and an automatic hydraulic one?

The difference lies in how automated the cleaning is and the physical effort required to operate the cleaner. A manual pool cleaner relies entirely on the operator using a telescopic pole to cover areas with concentrated dirt as needed. By contrast, an automatic hydraulic cleaner uses the flow from the pump itself to move across the floor autonomously and randomly during the filtration hours programmed on the electrical control panel.

I want to buy a manual head for weekly pool-floor cleaning. Is it worth paying more for a wide aluminum model instead of a plastic one?

Choosing a 45 cm metal head more than pays off if you want to reduce cleaning time in pools larger than 30 square meters. Aluminum provides the structural weight needed to keep it firmly on the floor without the water pressure making it float as you move the pole.

Models such as the Starpool 45 cm Aluminum Manual Pool Vacuum - Professional Suction Head - Wing-Nut Connection offer greater mechanical resistance to chlorine and feature a secure attachment that holds firm during sudden movements on concrete or tiled pool floors.

How do you connect a pool cleaner to the suction inlet without losing the pump prime?

To keep the pump primed, completely purge any air trapped in the hose before inserting it into the side inlet or skimmer. With the filtration system running, place the floating hose in front of one of the return jets until it stops expelling bubbles from the other end.

Once filled with water, firmly connect the tapered fitting to the designated nozzle. If connecting an automatic cleaner such as the Zodiac T5 Duo Automatic Pool Cleaner, adjust the manifold valves to concentrate all suction on that line, keeping the main drain and skimmer valves closed or partly open.

I have an above-ground pool with a thin liner and a 0.3 HP pump. Can I connect a hydraulic pool cleaner, or will it damage the liner?

A 0.3 HP pump does not generate enough suction flow to activate the turbine of an automatic hydraulic pool cleaner. These devices would remain motionless in the pool without carrying out their routine particle vacuuming.

To protect the liner and ensure physical cleaning, there are two key recommendations:

Use lightweight manual heads with built-in brushes to protect the PVC liner from friction or cuts.
Avoid parts with sharp corners and no protective side rollers.
Use gentle-suction vacuum heads that prevent the head from sticking too firmly to the flexible liner.

How often should you clean the sand filter when vacuuming the pool?

It is advisable to backwash and rinse the sand filter immediately after each intensive pool-floor vacuuming, or when the multiport valve pressure gauge rises 0.3 bar above its usual operating pressure. Accumulated fine dirt compacts the filter bed, reduces the flow rate, and weakens the cleaner’s suction on subsequent days.