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If we had a dollar for every different way customers have told us how they backwash their filter, we’d be way too rich. Incorrect backwashing can have a very negative effect on your pool, so here’s how it should actually be done:

  1. Switch the pool pump off.
  2. Move the handle on top of the filter to the ‘backwash’ position.
  3. Switch the pool pump on, and watch the sight glass on the filter. It should turn dirty and then slowly become clear again (usually 1 – 2 minutes).
  4. Switch the pool pump off.
  5. Move the handle on top of the filter to the ‘rinse’ position.
  6. Switch the pool pump on for 10 – 20 seconds.
  7. Switch the pool pump off.
  8. Move the handle on top of the filter back to the filter position (this is your pool’s normal operating position).
  9. Switch the pool pump on.