What is a Pool Filter?

A pool filter is an essential component of any swimming pool system, serving as the primary mechanism for keeping the water clean and safe for swimming. It operates by using a pump to draw water from the pool and passing it through a filtration system. Within this system, the filter traps and removes dirt, leaves, insects, and other debris, ensuring that the water remains clear and free of contaminants. Once filtered, the clean water is then returned to the pool through specialized jets located on the pool walls. In essence, a pool filter acts as a crucial barrier, effectively purifying the water and maintaining optimal water quality. Here is an article on How does a Pool work? Simple explanation!

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How important is it to have a Pool Filter?

A pool filter is like a guardian angel for your swimming spot - it protects you from harmful bacteria and other unwanted guests. Without one, algae and mold will create a beach party nobody wants to attend while unfiltered skin cells threaten to turn the water into a dish of germs! Keep yourself and your pool safe by making sure you have an effective filtration system in place.

Here’s more information about the ideal filter for you

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How often does my Pool Filter need cleaning?

Keeping your pool filter clean is an important part of swimming safely, so make sure to keep a regular schedule.

Cartridge Filter: Clean it out at least once a month for proper filtration performance.

Sand Filter: Backwash it at least once a month at minimum. Read the pressure gauge, if the pressure is higher than normal, it’s time for cleaning.  

D.E.: Aim to give it a good cleaning every month or if the pressure gauge read 8-10 pounds above normal

Quad: Cleaning it 3 or 4 times per year is ideal.

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How often does my Pool Filter need Deep Cleaning maintenance or replacements?

Cartridge Filter: The cartridge should be replaced at least once every 1-2 years depending on the use

Sand Filter: The sand inside the filter needs overflows yearly for proper performance

D.E Filter: The D.E filter should be inspected and cleaned out once a year for proper performance

Quad Filter: The cartridges inside should be replaced every 2 years depending on the use.

Here’s a guide to cleaning every type of filter

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How long should I run my Pool Filter per day?

You should run the filter for 8 to 10 hours a day for crystal-clear water! If you're struggling to reach clarity despite running it that long, go longer and keep going until everything is back in perfect balance. For best results clean the filter

Don't forget: Give chemicals an extra boost by turning on the filter when adding them into the mix.

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How do I know if my pool filter is working properly or needs to be cleaned?

Make sure to check its pressure gauge on a daily basis - any sudden changes in readings could mean it’s clogged. Just look up what "normal" pressure readings should be for your particular model, and watch out for high readings which usually start at 5 or more psi above normal.

You can also know when vacuuming, check the jets or returns to make sure clear water is coming out - if it’s cloudy then all that yucky debris sucked up by the vacuum is not getting filtered and is coming back to the pool.

If you want to know how to vacuum your pool, here’s a step-by-step guide