How to Properly Maintain Your Pool Cleaners and Filters

Your pool needs to be clean all the time, but if your cleaners aren’t maintained, you can’t expect them to clean your pool efficiently. Those machines need to be cleaned too, you know! Remember, a dirty pool cleaner can’t clean a dirty pool.

Types of Pool Cleaners


If you have a suction (a.k.a. suction-side) pool cleaner, perform these maintenance steps:

  1. Pentair LL505GBefore using the cleaner, check if the filter is clean.

Note: If you haven’t used it for quite some time, you should execute a flush of the plumbing lines.

  1. If the filter isn’t clean, disconnect the suction cleaner from your pool pump or pool wall, then clean or backwash the filter.
  2. Once the filter is clean, allow the filtration system to operate for a minimum of five minutes to make sure the plumbing lines have been entirely flushed.
  3. If you’re going to add pool chemicals, make sure the suction pool cleaner is out of the water first.

If you want, you can also upgrade the back lock fittings on all of the suction installations along the wall of your pool. Doing so will decrease the chances of accidents brought by suction entrapment.

Remember not to let swimmers swim with a suction pool cleaner in the water.

Before storing the cleaner, turn the pool pump first, remove the suction cleaner from the pool, drain it, and detach all the hose sections. The cleaner, as well as its hoses, should be stored in a dry and covered place.


To maintain your pressure or pressure-side pool cleaner, you just have to follow the maintenance steps stated under the suction pool cleaner. However, there is one difference you should take note.

Since pressure pool cleaners use a filter bag to gather debris, you should never allow the filter bag to be stuffed. If the waste collected has filled half of the filter already, empty the filter at once.

Also, make sure the inline filter screen is clean.

Storing this cleaner is the same as storing a suction-side pool cleaner.


These cleaners automatically clean your pool and work independently from your pool’s system. To maintain them, follow these steps:

  1. hayward-aquanautDisconnect the power source before taking it out from the pool.
  2. Drain the robotic pool cleaner entirely.
  3. Empty and clean the filters after every use.

Note: The cleaning procedure of the filter depends on its type. Read the next section to know more about this.

  1. Store the unit plus its electric cord on the caddy provided by your manufacturer. Everything should put in a dry and covered location.

Types of Pool Filters

You should also be aware of the different types of pool filters available to make sure your pool cleaners get the thorough cleaning they deserve. The three kinds are sand, cartridge, and diatomaceous earth (DE).

Take note that each filter’s maintenance procedure differs from one another, which is why you have to know what they are and how they work as well.

Also, this may come as a surprise, but cleaning your pool filter more often than needed is not a good idea. Believe it or not, a filter with a little dirt on it is more efficient than a 99% clean filter. The existing dirt can actually help trap the incoming debris. Even so, you shouldn’t allow your filter to be dirty for a long time as it won’t be efficient anymore.

To maintain the kind of filter you have, follow the steps below.

Sand Filter

Sand filter tanks can be made of concrete, metal, or fiberglass. Each container has a thick bed of special-grade sand.

During the filtration process, the pool’s dirty water enters through the inlet pipe of the filter. That pipe leads to the water distribution head situated inside the tank. The dirty water will then go through the sand.

If dirt and debris slow down the water flow, the pressure gauges located at the filter inlet and outlet will allow the pool owner to know that the water has been blocked.

You’ll know that there is collected debris in the sand once the inlet pipe has more pressure than its counterpart. When this happens, you’ll need to backwash the sand filter.

The roughness of the sand confines the debris. Over time, the sand will turn smooth and round. That’s the sign that you have to change the sand. Generally, the sand should be replaced every after five years.

Cartridge Filter

On the other hand, filter cartridges work by letting pool water pass through an extremely fine filter surface. This surface then collects all the dirt that attempts to go through.

Compared to sand filters, cartridge filters have more surface area, reducing the chances of you having to deal with clogs. These filters are also easier to maintain, and they run at a much lower pressure compared to sand filters. And because there’s lower pressure, there’s also less backpressure on the pump, allowing a better flow of water through the system.

To maintain a cartridge filter, you only have to rinse off the cartridge using your garden hose. You can also soak them in detergent. Maintenance is an inexpensive and quick procedure. However, you should replace them every three years to ensure that they can clean the pool water thoroughly.

Diatomaceous Earth (DE) Filter

Diatomaceous_EarthDE is a very fine powder made of crushed and fossilized exoskeletons of diatoms. Diatoms are organisms that have a hard-shell and have a porous bone material that allows them to be excellent filters. In fact, these filters are considered the most efficient pool filters ever.

This filter is easy to add in the system because it goes directly into the pool skimmer. The pump will automatically suck the DE into position, prepping it to perform its function.

To know if there’s sufficient DE in your pool system, just watch the pressure gauge fall below 8 pounds or into the specified safe zone on the pool’s pump.

To maintain a DE filter, merely backwash it.

Compared to sand and cartridge filters, however, they need to be replaced more as they can only work efficiently for six months or one whole year. In short, you have to replace them once or twice a year. They also come at a higher price. But if you analyze, the cost is worth it because these filters thoroughly clean your pool water.

And there you have it! Happy cleaning!