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  1. M

    High pressure in DE filter even after backwashing, cleaning, etc

    Yeah I saw your post and thought there were some similarities too. I didn't notice the same issue as you described when I cleaned the grids a few weeks ago though - they seemed fairly normal to me, no real water being held.
  2. M

    High pressure in DE filter even after backwashing, cleaning, etc

    Hello, I've been maintaining our pool for a few years, mostly by guesswork, learning from mistakes and reading this forum. I've got a problem now though that's proving tough to solve. Equipment ~20k gallon outdoor pool, tile trim, plaster walls, spa fed through the same pump/filter as the pool...
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