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Thread: psi for aboveground pool

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    psi for aboveground pool

    I need to know what the psi is suppose to read when vaccuming an above ground pool. I have a sand filter and the guage reads 8 psi when circulating but drops to 1 when i start to vaccum. Is this normal?
    He is no fool who gives up what he cannot keep to gain what he cannot lose....

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    a 1 psi drop is PERFECT for an inground pool, at least for me, but to me it should be across the board. The bigger experts should chime in in a little while.

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    psi for aboveground pool

    Thanks, but I'm not sure we are on the same wave length. What I mean is that the PSi actually reads 1 on the guage, not that it dropped by 1. Any help???
    He is no fool who gives up what he cannot keep to gain what he cannot lose....

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    O, holy crud, i have no idea other than you have a blocke pipe, or have blocked too many suction points.

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    JasonLion's Avatar
    Join Date
    May 2007
    Silver Spring, MD
    Some drop in the filter pressure is to be expected but that is more of a drop than I would expect. Have you checked the vacuum hose to see if there is anything blocking it?
    19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
    Creator of PoolMath and Pool Calculator. Other handy links: Support this site, TF Test Kits, Pool School

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    NWMNMom's Avatar
    Join Date
    Apr 2007
    Waaay NW MN
    My psi sits around 14-16 on average and drops BY around 2 psi when I vac UNLESS there is something blocking it - follow the line from the end: check the vac head, the hose, the skimmer port/basket and then the pump basket itself. A small twig or big leaf can cause everything to back up from there.
    18x33x52 Buttressfree Seaspray (Wilbar) AGP - 1.5hp Pentair Maxim w/22" Pentair Meteor Sand Filter, Aqua Rite SWG System, Biltmore Walk In Steps - 2/4x20 Solar Panel Setup - Doheny Jet Drive (RIP -Pool Rover Jr) - finally hard plumbed the whole darned thing -
    Beats Driving to the Lake!

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