How often should a pool filter be cleaned?

Author: Bonita Satterfield  |  Last update: Monday, June 27, 2022

A pool needs a clean filter and it needs to be cleaned periodically-usually once a month in swim season and perhaps less frequently in the offseason. If your pool's filter is oversized by design, these filters need cleaning 3-4 times per year by a pool professional.

How do I know when my pool filter needs cleaning?

Additional signs that indicate that you need to clean your filter cartridge include any decrease in pressure coming out of your return jets, your pump not filling up completely or a full prime, or full bowl, through the sight lid due to back-pressure created by flow restriction from dirty filters.

How often should I clean my pool filter cartridges?

Typically, cartridge filters need to be cleaned every two to six weeks. One of the most important factors that affect a cartridge filter operating effectively is that there not be too much flow through the filter. Too much flow significantly decreases the cartridge life and lowers the efficiency of the filter.

What happens if you don't clean pool filter?

Without proper cleaning, pool filters get clogged and become less effective. This results in cloudy water, bacteria growth, and poor water quality. Filters also play a crucial role in pool water circulation. They help spread the chemicals you add to your pool and ensure a clear swimming area.

Why does my pool filter get dirty so quickly?

If the pool is affected by algae, the pool filters can get clogged very quickly. Algae are tiny aquatic plants (or organisms) that grow in pools and in large groups. These plants can clog up the filter easily during pool water circulation.

How Often Should I Clean My Cartridge Pool Filter?

How do you tell if your pool filter is clogged?

Put your hand over the inlet (where the basket is located on the side of the pool, not the pump) to feel if there's enough suction. Your hand should be sucked up against the inlet fairly quickly if the pump is set to its highest mode. If it's barely pulling, you likely have a clogged filter or a leak in the line.

How do I keep my pool filter clean?

How to Clean Swimming Pool Cartridge Filters in Easy Steps
  1. Turn off the system. ...
  2. Remove the cartridge(s) from the tank. ...
  3. Check cartridges for wear and tear. ...
  4. Remove debris from the cartridge material. ...
  5. Degrease or deep clean the cartridge. ...
  6. Reassemble the filter tank. ...
  7. Test the filter's air pressure.

Do I have to clean my pool everyday?

The pool must be maintained and taken care of regularly; if not, it may lead to various accidents, diseases, and infections. Maintaining the cleanliness of your pool is just one of the many ways of swimming pool care. It is recommended to have your pool cleaned at least once a week to keep it clean and uncontaminated.

How often should you brush your swimming pool?

Brushing thoroughly 1-2 times per week will prevent these materials from having the time to create a stain. Brush to Prevent Algae: Every pool can grow algae, but plaster, quartz, and aggregate finishes are more susceptible.

How long can a pool go without cleaning?

I think the answer to your question is about 3-6 days. The problem is that the chlorine that you need to keep the bacteria in check is used up more quickly as the temperature rises, the activity increases, and as sweat and other body stuff is put into the pool.

How long do pool filters last?

Assuming you properly maintain your swimming pool, you should expect the below timescales on average: - Filter Cartridge – approximately 2,000 working hours, usually around 2-4 years. - Sand Filter Media – around 3-7 years. - Glass Filter Media – about 7-15 years.

What happens if pool filter is dirty?

A dirty filter can clog, causing a sudden spike in the water pressure. The pressure can also spike if the filter is under more strain. The filter is strained when it's damaged, or the water quality has become too low for it to work effectively.

How often should you clean a salt water pool filter?

Most need cleaning a minimum of every six months, and sometimes more often, so checking the cell is essential to make sure it doesn't need replacing. If you do have deposits, continue to the next steps.

What PSI should my pool filter be at?

Your filter may be clean and normal at 9-10 psi, but your neighbor's filter gauge could run higher, and be clean at 15-16 psi. Some systems with very low resistance can run very low pressures, barely registering, while other filter systems can run quite high, pushing 30 psi when the filter becomes dirty.

Should I brush the bottom of my pool?

Does Brushing My Pool Keep It Clean? The short answer is yes, brushing your walls and floor will indeed keep your pool cleaner. Kicking the debris off the walls and floor of the pool causes the debris to move more toward the bottom suction line as well as the skimmers.

Do you brush a pool with the pump running?


The entire process usually only takes 10 minutes and is well worth the time and effort. Be sure to brush the pool while the pump is operating, and to cover the entire pool from the tile line to the main drain.

What is a good chlorine level for a pool?

Chlorine is added to the water to kill germs. But it does not work right away. If used properly, free chlorine* can kill most germs within a few minutes. CDC recommends pH 7.2–7.8 and a free chlorine concentration of at least 1 ppm in pools and at least 3 ppm in hot tubs/spas.

Why is my pool filter cartridge green?

Sometimes your pool water can turn green because you have an undersized pump and filter. Or, maybe you're not running your pump long enough for your filter to clean properly.

Can you use vinegar to clean pool filter?

It's important to pour in at least 1/2 gallon of vinegar. You might have to pour in more than a half gallon of vinegar if you want a 50% concentration. The filter needs to be soaked for 3 hours.

How do you clean a pool pump filter?

This is the quicker, easier, and less dangerous cleaning method.
  1. Backwash the filter for 3 to 5 minutes to remove debris.
  2. Turn the pump off.
  3. Open the air relief valve.
  4. Remove the drain plug, and let the water drain out of the filter tank.
  5. Remove the clamps (or other latching mechanisms) holding the filter together.

Can pool filters get clogged? explained that when your filter is brand new, water can easily pass through the system without issue. However, as the filter continues to do its job, debris can accumulate over time and slowly clog the system. As a result, pressure builds up within the filter and continues to rise if not cleaned.

What is the maintenance on a salt water pool?

To maintain a salt water pool you'll need to keep your filter, pump, and skimmer clean and in good operating condition. With salt water pools, you must inspect the salt chlorinator cell and replace it when needed. Test regularly for proper water chemistry to maintain clean, clear pool water.

Which is cheaper to maintain saltwater or chlorine pool?

This start-up investment may be recouped in a few years with less expensive day-to-day chemical needs. A saltwater pool requires less than $100 a year in salt and chemicals if it is consistently maintained. A chlorine pool, on the other hand, will cost between $300 and $800 per year in maintenance chemicals.

What is better salt water or chlorine pool?

Pros of Saltwater Pools

There's less chlorine and less of the heavy chemical scent and content. They're gentler on the skin, with less irritation to the eyes, hair and swimsuits. The water has a softer, silkier feel to it compared to chlorine water. They have lower maintenance costs than chlorine pools.

Is it OK to run pool pump 24 hours a day?

The size of your pool, the efficiency of your pump and filter, and how dirty your pool is are just some of the factors you need to consider. Nevertheless, most pool cleaning professionals would advise against running a pool pump for more than 8 hours a day.

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