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    New DE filter grid pressure starts at 25

    Thanks for replying. I bought this grid (picture) and it looks exactly the same between the old and the new. I checked the filter model number in the web site and it claimed it fit my model. I even tried using the old top manifold but same high pressure result. I thinking about soaking these...
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    Newbie here!

    Been a long time TFP friend. I followed the forum thread and definitely learned a lot. Inherited a 30,000 gallon in ground kidney shape pool in Boston, MA. Trying my best to be a DIY-er and had success for 5 years. Starting to open pool this year and running into filter problem with no...
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    New DE filter grid pressure starts at 25

    Hi, Last time friend of TFP, but first time posting. I have a DE filter system for an 30k gallon inground pool. DE filter sytem is Natalus NSS-48. Starting to open the pool this year, noticed old filter grid is worn out, so I purchase an entire new filter element grid and drop into...