what to use to clean a pool filter


Poolking | Pool Sand Filter Manufacturers

Keeping our swimming pool clean and crystal-clear is paramount for the safety of the swimmers, as well as the longevity of the pool itself. The pool filter plays a crucial role in ensuring that the pool water remains clear of impurities and debris. Over time, the filter collects dirt, grime, and other particles that need to be cleaned to maintain its effectiveness. In this article, we will guide you on what to use to clean a pool filter.

Why Cleaning Pool Filters is Essential?

Pool filters are an essential part of any pool's maintenance routine. A dirty or clogged filter can result in cloudy and dirty water, which can be harmful to the swimmer's health. Not only that, but it will also increase the chlorine demand, leaving less residual chlorine to kill bacteria, viruses, and other contaminants. Therefore, cleaning the pool filter is a must-do task for maintaining a healthy and sparkling clean pool.


1. Types of Pool Filters

2. Things to Keep in Mind Before Cleaning a Pool Filter

3. Cleaning a Pool Filter: Step by Step Guide

4. How Often Should You Clean Your Pool Filter?

5. Tips and Tricks for Maintaining a Clean and Efficient Pool Filter

Types of Pool Filters

Before diving into the process of cleaning a pool filter, it is essential to know the different types of pool filters available in the market. There are three types of pool filters: Sand filters, Cartridge filters, and Diatomaceous Earth (DE) filters. Each filter has its unique features and cleaning methods.

Sand Filters: As the name implies, sand filters use sand to filter out impurities and particles from the pool water. Over time, the sand becomes clogged with particles and debris, resulting in reduced filtration efficiency. Cleaning a sand filter entails a process called backwashing, where the water is reversed and forced back through the sand to flush out the dirt.

Cartridge Filters: Cartridge filters have a cartridge element that needs to be periodically cleaned or replaced. A dirty cartridge filter slows down the water flow and lowers the filtration efficiency. Cleaning a cartridge filter involves hosing off the cartridge with water and mild soap.

Diatomaceous Earth Filters: DE filters are the most efficient type of pool filters, removing even the smallest particles from the water. Cleaning a DE filter requires removing the old DE powder and adding fresh powder and thoroughly hosing down the filter.

Things to Keep in Mind Before Cleaning a Pool Filter

Before diving into the pool to clean the filter, there are a few things to keep in mind. Firstly, turn off the pool pump to ensure no water flows through the filter while cleaning. Secondly, make sure the pool chemicals are balanced. Chemistry that is too high or too low can damage the filter. Finally, check the manufacturer's instructions for cleaning and maintenance guidelines.

Cleaning a Pool Filter- Step by Step Guide

The cleaning process varies significantly based on the type of pool filter. Here's a step-by-step guide for cleaning each of the filter types.

Backwashing a Sand Filter:

- Turn off the pool pump

- Set the multi-port valve to "backwash" or "rinse."

- Turn on the pump and run it for about two minutes or until the water runs clear out of the waste pipe.

- Once done, switch the valve to "filter" and return the pump to its regular operation.

Cleaning a Cartridge Filter:

- Turn off the pool pump

- Remove the cartridge from the filter housing

- Rinse off any large debris with a hose

- Soak the cartridge in a bucket filled with water and mild detergent overnight.

- Rinse the cartridge thoroughly with a hose and put it back into the housing.

Cleaning a DE Filter:

- Turn off the pump

- Disconnect the filter and remove the drain plug to drain the tank

- Remove the grids and hose them off

- Soak the grids overnight in a bucket of water and cleaning agent.

- Rinse the grids thoroughly with a hose and put them back into the housing.

How Often Should You Clean Your Pool Filter?

The frequency of cleaning the pool filter depends on several factors like the pool location, usage frequency, and climate. In general, it is recommended to clean a sand filter every six months, a cartridge filter every two months, and a DE filter, preferably once a year.

Tips and Tricks for Maintaining a Clean and Efficient Pool Filter

Here are some tips and tricks you can follow to ensure your pool filter lasts longer and functions efficiently:

- Keep the pool chemicals balanced

- Remove large debris from the pool often

- Clean the strainer basket regularly

- Use a pool cover to limit sunlight on the pool surface

- Watch for and address any algae growth or other issues promptly.

In conclusion, cleaning a pool filter is an essential part of maintaining a safe and healthy pool. Regular cleaning, maintenance, and proper storage can extend the life of your pool filter and save you money over time. Knowing what to use to clean a pool filter and how to maintain it properly can help ensure that your pool stays sparkling clean and ready for use whenever you are ready to enjoy a swim!


Just tell us your requirements, we can do more than you can imagine.
Send your inquiry

Send your inquiry

Choose a different language
Current language:English