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How to Use Pool Sand Filter Cleaner

Published in Pool Maintenance 3 mins read

Using a pool sand filter cleaner is a straightforward process that helps maintain clear and healthy pool water. This involves adding a specialized cleaning solution to your pool's filtration system while the system is backwashing. This process removes accumulated debris and grime that regular backwashing might miss.

Cleaning Your Pool's Sand Filter

Regular backwashing is essential, but sometimes a deeper clean is needed. This is where a pool sand filter cleaner comes in handy. Here's how to use one:

  1. Identify the need: Notice cloudy water, decreased filtration efficiency, or a buildup of contaminants in the filter. A yearly deep clean is also recommended (as suggested in sources like Trouble Free Pool's article on deep cleaning).

  2. Choose your cleaner: Select a liquid pool sand filter cleaner specifically designed for this purpose. Many brands are available online and at pool supply stores (for example, In The Swim Liquid Sand Filter Cleaner is mentioned in the provided references).

  3. Prepare the filter: Turn off the pump. Set your multi-port valve to the "backwash" position. (As seen in the Leslie's Pool Supplies YouTube video).

  4. Add the cleaner: Pour the recommended amount of filter cleaner into the skimmer basket (as instructed by In The Swim). This method ensures the cleaner is drawn into the filter system during the backwash process.

  5. Backwash the filter: Turn the pump back on and allow it to run for the recommended backwash time, usually around 15-20 minutes or as specified by the manufacturer of your filter. During this time, the cleaner will circulate through the sand, dissolving and removing built-up oils, lotions, and other contaminants.

  6. Rinse the filter: After backwashing, switch the multi-port valve to the "rinse" position and run the pump for a few minutes to remove any residual cleaner and loosened debris.

  7. Return to filter: Once rinsing is complete, switch the multi-port valve back to the "filter" position.

  8. Monitor: Check the clarity of your pool water. If necessary, repeat the cleaning process or consult a pool professional if problems persist.

When to Use a Pool Sand Filter Cleaner

While regular backwashing removes large debris, a filter cleaner tackles more stubborn contaminants like body oils, lotions, and algae that can clog the filter sand and reduce its effectiveness. You should consider using a filter cleaner if:

  • Your pool experiences heavy use.
  • Your pool water remains cloudy despite regular backwashing.
  • You notice a significant decrease in your filter's performance.

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