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Thread: sand filter valve question...

  1. #1
    Senior Member marty's Avatar
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    sand filter valve question...

    Hi there everyone, i have a white cloudy pool with a little dust in shallow end. On a sta-rite 2 piece sand filter Slide push/pull valve how would i rinse or vacuum to waste, flock first right? (Or is flock only for green water?) PG replaced pump with a bigger one i when they installed solar, could that be part of the cloudy issue? Too powerful pump pushing through sand? Hey thanks for any ideas.

  2. #2
    Mod Squad Bama Rambler's Avatar
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    Re: sand filter valve question...

    With a slide valve there's usually no waste function. You could disconnect the pump discharge and plumb it to the waste line.
    Dave J. TFP Moderator
    24' x 52" Round AGP. 1.5hp Dynamo pump. 24" Pentair Sand Dollar Filter. 45MHP2(3GPD) Stenner Peristaltic Pump
    Pool School ----- Pool Math ----- TF-Test Kit
    You can stop SLAMing your pool when you pass the OCLT (You lose 1ppm or less FC overnight, & You have .5ppm CC's or less) & your water is clear.

  3. #3
    Senior Member marty's Avatar
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    Re: sand filter valve question...

    ok, so would it be as easy as cutting after pump, put a diverter valve(red kind at lowes? then just have pvc run along side of filter backwash pipe?
    I have never glued pvc b4, im sure you tube has some vids on it. Hey thanks bama!

  4. #4
    Mod Squad Bama Rambler's Avatar
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    Jun 2009
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    Re: sand filter valve question...

    I didn't find a diverter valve on the Lowes but if it's a 3-way valve it'll work ok. I'd use a Jandy type valve instead because they have lower head loss than the standard PVC valves you can buy.
    Dave J. TFP Moderator
    24' x 52" Round AGP. 1.5hp Dynamo pump. 24" Pentair Sand Dollar Filter. 45MHP2(3GPD) Stenner Peristaltic Pump
    Pool School ----- Pool Math ----- TF-Test Kit
    You can stop SLAMing your pool when you pass the OCLT (You lose 1ppm or less FC overnight, & You have .5ppm CC's or less) & your water is clear.

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