Conserve Water with Your Pool Filter

The conservation of your pool water can start with your pool filter. By using a cartridge filter you can save water and eliminate the need to backwash. Of the three main types of pool filters, a cartridge filter uses the least amount of water.
lesl_blog_cartridge_filterBackwashing a DE filter or sand filter involves running pool water out of your filter to clean the filter of any debris. Backwashing is done multiple times a year. Depending on the size of your pool and your pool equipment, 250 to 1,000 gallons of water could be used each time your pool goes through the backwash cycle.

Along with conserving water, cartridge filters require less maintenance compared to DE filters or sand filters. A cartridge filter can catch twice as much dirt as a sand filter, and captures particles as small as 5-15 microns, leaving you with a cleaner pool. Cartridge filters can easily be removed and sprayed clean using a hose. This only needs to be done 4 to 5 times a year, and saves water compared to backwashing. Cartridge filters can be used with a low pump pressure, allowing you to use less energy and causes less wear and tear on your pool pump.

Be pool smart. Switch to a cartridge filter and help conserve water. For more information on cartridge filters or replacement cartridges, go to or ask one of our pool experts.

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Leslie’s makes every effort to provide accurate recommendations based upon current ANSI/APSP/ICC-5 2011 (R2022) standards, but codes and regulations change, and Leslie’s assumes no liability for any omissions or errors in this article or the outcome of any project. You must always exercise reasonable caution, carefully read the label on all products, follow all product directions, follow any current codes and regulations that may apply, and consult with a licensed professional if in doubt about any procedures. Leslie’s assumes no legal responsibility for your reliance or interpretation of the data contained herein, and makes no representations or warranties of any kind concerning the quality, safety, or suitability of the information, whether express or implied, including, without limitation, any implied warranties of merchantability or fitness for a particular purpose.