How to Clean a Pool Filter Cartridge

Regularly cleaning the filter cartridges enhances the pool equipment’s efficiency in removing debris and dirt from the water, preventing clogs and ensuring optimal performance of the filtration system. This improves water quality, extends equipment lifespan, and enhances the overall swimming experience for pool users.

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Tools Needed

Screwdriver: Used to help us remove the pool filter equipment.
Water hose: To rinse the filter cartridge and enhance cleaning efficiency.
Bucket: To soaking the pool filter cartridge.
Soft brush: Helps clean the surface of the pool filter cartridge
Filter cleaner: Filter cartridge cleaning and disinfection                                        Protective Tools: Safety goggles and gloves

Step To Clean Pool Filter Cartridge

Step1 Preparation

How to DIY a pool filter cartridge cleaning?First, we need to shut down the pool equipment to ensure the pool’s circulation system is turned off. This step helps prevent accidents and makes it safer to remove the filter cartridge. The filter cartridge is typically located in the filter near the pool equipment, and we can remove it according to the manufacturer’s instructions.

Step2 Water Rinse

Using a water hose connected to the outlet, rinse the surface of the filter cartridge with water to efficiently remove larger debris and dirt. If using a high-pressure water gun to clean the surface of the cartridge, be cautious not to apply excessive pressure that may result in damage to the cartridge.


Step3 Chemical Cleaner

Some pool filter cartridges may accumulate alkaline substances, making it difficult to thoroughly clean dirt with water alone. In such cases, a specialized filter cleaner can be used. Mix it with water and soak the filter cartridge for a period of time, then rinse thoroughly with clean water. When using a cleaner, be cautious as it can be corrosive. Wear protective gloves and goggles before use.

chemical cleaner for pool filter

Step4 Brushing

If there are stubborn stains on the filter cartridge, you can use a soft-bristled brush made of nylon or PP material for manual cleaning. These brushes have soft bristles that are less likely to damage the filter cartridge. Alternatively, you can use our professional water jet pool filter brush, which features soft bristles that are specifically designed to fit into the crevices of the filter cartridge. Additionally, this brush can be connected to a water hose, allowing you to brush and rinse the filter cartridge simultaneously, thus improving cleaning efficiency.

filter cleaning brush

Step5 Drying

After cleaning the filter cartridge, place it in a well-ventilated area to air dry. Ensure that the cartridge is completely dry before reinstalling it for use in the pool filter.


Regularly cleaning the pool filter can enhance water clarity. The cleaning frequency should be determined based on pool usage. Periodic maintenance ensures proper operation and extends lifespan. Additionally, maintaining cleanliness around the pool is crucial for water clarity, providing a safe and enjoyable swimming environment for users.


Frequently Asked Questions

Q: How often should I clean my pool filter cartridges

Answer: It's recommended to clean pool filter cartridges every 1-3 months, depending on pool usage and water conditions.

Q: How do I know if my pool filter cartridges need cleaning?

Answer: Signs include decreased water flow, cloudy water, or higher pressure readings on the filter gauge.

Q: Should I replace or clean pool filter cartridges?

Answer: It's best to start with cleaning, but if cartridges are damaged or excessively worn, replacement may be necessary.
Can I clean pool filter cartridges while they are still in the filter housing?

Q: Can I clean pool filter cartridges with bleach?

Answer: No, bleach can damage the filter cartridges. It's best to use a filter cleaner specifically designed for pool filters.

Q: Can I clean pool filter cartridges with bleach?

Answer: No, bleach can damage the filter cartridges. It's best to use a filter cleaner specifically designed for pool filters.