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The pool filter is a piece of equipment developed with the sole purpose of filtering dirt particles out of the pool circulation system. The filter plays an important role in keeping pool water clean of the smallest debris. There are three main filter types available:

  • Diatomaceous Earth (D.E.) Filters
  • Sand Filters
  • Cartridge Filters
  • Diatomaceous Earth (D.E.) Filters — Filter particles down to 3-5 microns, D.E. filters should be backwashed when the pressure gauge reads 8-10 psi.

    Sand Filters — Capture particles down to 20-40 microns, sand filters should be backwashed when the pressure gauge reads 8-10 psi. These filters require the least maintenance, and can go 5 years without needing the sand replaced.

    Cartridge Filters — Capture particles down to 10-20 microns, cartridge filters do not require backwashing. These filters allow you to save water and provide the support required to run an energy efficient pool.

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