how often should you change pool filter cartridge

Author: Poolking - Swimming Pool Equipment Manufacturer

How Often Should You Change Pool Filter Cartridge?

When it comes to maintaining your pool, one of the most critical components is the filter. It is the filter that keeps your pool water clean and clear by removing dirt, debris, and other contaminants. And when it comes to pool filters, there are typically three types: sand, diatomaceous earth (DE), and cartridge filters. While all three types are effective, cartridge filters are often the most popular among pool owners because of their efficiency and ease of use. However, one common question that many pool owners have is how often they should change their pool filter cartridge. Here, we'll take a closer look at that question and provide some tips on how to extend the life of your pool filter cartridge.

What is a Pool Filter Cartridge?

Before we discuss how often to replace your pool filter cartridge, it's essential to understand what it is and how it works. A pool filter cartridge looks like a pleated fabric cylinder and is usually made of polyester or another synthetic material. The cartridge is placed inside a filter housing and traps dirt and debris that is suspended in the pool water as it passes through. Pool filter cartridges offer several advantages over other types of filters, including longer life, less maintenance, and better filtration.

How Often Should You Change a Pool Filter Cartridge?

The primary factor in determining how often to change your pool filter cartridge is how often you use your pool. If you use your pool frequently, you'll need to replace your cartridge more often than if you only use your pool occasionally. As a general rule, you should replace your pool filter cartridge every two to three years. However, there are several factors that can impact the lifespan of your pool filter cartridge, including water chemistry, pool usage, and cartridge quality.

Impact of Water Chemistry on Pool Filter Cartridge

One key factor that can impact the lifespan of your pool filter cartridge is water chemistry, specifically the pH level of your pool water. If the pH level is too high or too low, it can damage your pool filter cartridge and reduce its effectiveness. To avoid this problem, you should test your pool water regularly and adjust the pH level as needed. A pH level of between 7.2 and 7.8 is considered ideal.

Impact of Pool Usage on Pool Filter Cartridge

Another factor that can affect the lifespan of your pool filter cartridge is how often you use your pool. If you use your pool frequently, your cartridge will need to be replaced more often than if you only use your pool occasionally. Additionally, if you have a large pool or a high bather load, you may also need to replace your cartridge more frequently. As a general rule, you should aim to replace your pool filter cartridge every two to three years.

Impact of Cartridge Quality on Pool Filter Cartridge

The quality of your pool filter cartridge can also impact how long it lasts. Higher quality cartridges are typically made of better materials and can withstand more wear and tear than cheaper ones. While higher-quality cartridges may cost more upfront, they can save you money in the long run by lasting longer.

Tips on Extending the Life of Your Pool Filter Cartridge

While you'll eventually need to replace your pool filter cartridge, there are several things you can do to extend its lifespan. These include:

- Cleaning your filter cartridge regularly: Regularly rinsing your cartridge with a hose can help remove dirt and debris and prevent clogging.

- Checking the pressure gauge: A high pressure reading can indicate that your cartridge is clogged and needs to be cleaned or replaced.

- Adding a pre-filter: Using a pre-filter can help remove larger debris, such as leaves and twigs, before they reach your cartridge.

- Maintaining water chemistry: As previously mentioned, maintaining proper water chemistry can help extend the life of your cartridge.

Conclusion

In conclusion, while there's no hard and fast rule of when to change your pool filter cartridge, you should aim for every two to three years, depending on usage and water chemistry. Additionally, by following the tips above, you can help extend the lifespan of your cartridge and keep your pool water clean and clear for years to come.