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Thread: Brand New filter pressure

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    Brand New filter pressure

    What I was clearing my swamp I was using an old used filter I found in the garage of my new house. Cleaned as best i could with my hose it was run at 10psi, when it hi 18 or so I would clean it and it would go back to 10. Now that the swamp is gone and my water is crystal clear as well as 0 debris, I switched to my brand new filter. Fired up the pump and it reads 0?!?. I thought I did something wrong so I took it all apart and put it back together again. Still 0. So I figured maybe that is just normal. So it has been running the new filter for 3 days at 4 hours a day. Still 0. Is this normal?

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    Join Date
    May 2011
    lebanon tn

    Re: Brand New filter pressure

    mine reads 0 on low speed; only shows pressure when pump is adding water faster than it filters through the sand, and some back pressure occurs. If water is flowing, there IS pressure but just not enough to read on gauge (assuming gauge didn't break)
    24ft x 52in AGP 18000 gal
    sand filter, 200#,1.5 hp single speed pump
    Wood deck (still in progress...)

  3. Back To Top    #3

    Re: Brand New filter pressure

    No the gauge still works, it has always read higher pressure when I switch from skimmer to mail drain for the intake, I did that and it rose to like 2. I don't think my pump is two stage, just on and off. So 0 is ok?

  4. Back To Top    #4
    mas985's Avatar
    Join Date
    May 2007
    Pleasanton, CA

    Re: Brand New filter pressure

    The filter pressure with a 2 HP should read at least 10 PSI as it did before. If you feel water coming out of the pool returns, then it is likely a problem with the filter gauge. Sometimes they can get clogged with something.
    Hydraulics 101; Pump Ed 101; Pump/Pool Spreadsheets; Pump Run Time Study; DIY Acid Dosing; DIY Cover Roller
    18'x36' 20k plaster, MaxFlo SP2303VSP, Aqualogic PS8 SWCG, 420 sq-ft Cartridge, Solar, 6 jet spa, 1 HP jet pump, 400k BTU NG Heater

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