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Equipment

Pool filters

The filter does the quiet work of keeping your water clear, and picking the wrong type means either endless maintenance or water that never quite clears. Here is how cartridge, sand, and DE really differ, and how to match one to your pool.

The three filter types, briefly

Cartridge

Fine filtration with low-fuss servicing: rinse the cartridge and replace it periodically. Ideal for small and mid-size pools.

Sand

Backwash instead of rinsing, with media that lasts several seasons. Handles larger volumes with less frequent attention.

DE

The finest filtration of the three, at the cost of more involved maintenance and DE handling.

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