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How to Clean your Hot Tub Filter Cartridges

Take the cartridge filter(s) out at least once a month to be cleaned. The cartridge filter(s) can be cleaned by rinsing first, then soaking in a filter cleaner.

Leisure Time® Filter Clean

  1. Add 16 oz. solution to 4 gallons of water in a large plastic bucket or garbage barrel.
  2. This solution concoction will treat up to 2 cartridge filters.
  3. Allow the cartridge filter(s) to soak for at least 3 hours, however, soaking overnight is ideal.
  4. Remove the cartridge filter(s) from the cleaning solution and rinse before returning to the hot tub.

Pleatco Spa Filter Wash™

  1. Rinse the cartridge filter(s) then add one tablet to a bucket  filled with water.
  2. Each tablet cleans up to 2 cartridge filters.
  3. Allow the cartridge filters(s) to soak for 25 minutes; filter cartridges that are larger/taller may need an additional 25 minutes.
  4. Rinse the cartridge filter(s) before returning to the hot tub.

Cartridge filters can also be cleaned in the dishwasher using a granular detergent.

How to Clean your Hot Tub Filter Cartridges