how often to change a pool filter

Author: Poolking - Swimming Pool Equipment Manufacturer

If you have a swimming pool in your backyard, you know that proper maintenance is essential to keep the water looking clear and inviting. One of the essential pieces of equipment for any pool is the filter. The filter helps to remove dirt and debris from the water, keeping it clean and safe for swimming. However, many pool owners are unsure of how often to change their filter. In this article, we will give you all the information you need to know about when and how to change your pool filter.

What is a pool filter?

Before we discuss when to change your filter, it's important to understand just what a pool filter does. The filter is responsible for removing dirt, leaves, debris, and other contaminants from the water. The filter works by pulling water through a series of materials, most commonly sand, diatomaceous earth or cartridges, to remove particles as small as 15 microns.

How often should you change your pool filter?

One of the most common questions pool owners ask is how often they should change their filter. The answer to that question can vary based on several factors, including the size of your pool, how often you use it, and the type of filter you have. However, a good rule of thumb is to change your filter every 2-3 years for sand filters, every 1-2 years for diatomaceous earth filters, and every 2-3 years for cartridge filters.

Signs you need a new filter

While the above time frames are general guidelines, there are some signs that you need a new filter sooner. These include:

- The pressure gauge on your filter shows that it's running at a higher PSI than usual. This could indicate that the filter is dirty and needs to be replaced.

- You notice algae or other contaminants in your pool water, even after you've cleaned the filter.

- The filter itself looks worn, damaged, or dated.

Benefits of changing your pool filter regularly

There are several benefits of changing your pool filter regularly, including:

- Improved water quality: When your filter is working properly, it removes dirt and debris from the water, leaving it clean and crisp.

- Reduced energy consumption: A dirty filter requires more energy to circulate the water, which can increase your energy bill. A clean filter operates more efficiently, reducing your energy costs.

- Longer lifespan for your pool equipment: When your filter is clogged with debris, your pool pump has to work harder to circulate the water. This can put unnecessary strain on your pool equipment, potentially reducing its lifespan. By changing your filter regularly, you can help extend the life of your pool equipment.

How to change your pool filter

If you're comfortable working with pool equipment, you may be able to change your filter yourself. However, if you're unsure or uncomfortable doing so, it's best to hire a professional. To change your pool filter, follow these steps:

- Turn off the pump and close the valves on either side of the filter.

- Remove the top of the filter and drain the water from the tank.

- Remove the filter element, whether that be sand, D.E., or a cartridge, if applicable.

- Clean the filter tank with a hose and ensure there is no debris left inside.

- Insert the new filter element, whether that be sand, D.E., or a cartridge that is appropriate for your filter.

- Reattach the top of the filter by tightening it with a wrench or by hand.

- Turn the valves back to their desired position and turn on the pump, making sure the air is out of the filter before continuing use.

Conclusion

A clean pool filter is essential for maintaining the health and safety of your pool. By understanding how often to change your filter and the signs that it needs to be replaced, you can ensure that your pool stays crystal clear throughout the season. So remember to keep an eye on your filter, change it as needed, and always follow proper safety protocols when working with pool equipment.