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Thread: Sand filter, did I goof up???

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    Sand filter, did I goof up???

    Over the last week I have been so dang busy I neglected my pool a little bit resulting in my pool getting just ever so slightly cloudy. So with that I new a good backflush was in order, upon backflushing I noticed the flow out my backflush line was a bit on the weak side. I have had this issue in the past and it typically means the screen on my 6 way valve has become clogged with debrit, not a big deal take it off clean it and while I have it off I vacuum all the debrit off the surface of the sand. Now this is where I think I screwed up, while vacuuming the sand I pushed the pipe in the center slightly to one side, then to the other while I moved the vacuum around. This allowed the tube and the laterals to lift off the bottom of the pump housing. Now with the center tube sitting 1/4"-3/8" off the bottom the 6 way valve will no longer seal to the pump housing. My thought is I am going to have to remove all the sand and replace it to get this thing seated again, I tried backflushing it while gently pushing down on the 6 way valve to try and get it to seat with no luck. What do you guys think? Is there a better way other than replacing my sand? Lesson learned on this one!!!
    Intex 18'x48" Ultra fram 6400 gallon Intex SWG

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    Mod Squad YippeeSkippy's Avatar
    Join Date
    Jan 2012
    'burbs of Augusta, Georgia

    Re: Sand filter, did I goof up???

    Scoop the sand out into a wheelbarrow and at least you won't have to buy more
    Maddie :) 12K Fiberglass IG, Infinity 4000 automatic cover, SWCG, Hayward Sand Filter, Hayward 1.5 Pump, Doheny Discovery Robot, Savi Melody LED pool lights, outdoor speakers and other assorted doo-dads. Sundance Altamar Hot Tub.
    Our pool build--> Our Pool Solved Our Sloping Yard Skippy's Cheap Pool Cooler -->Skippy's New Fountain

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    Mod Squad pooldv's Avatar
    Join Date
    Aug 2012
    DFW, TX

    Re: Sand filter, did I goof up???

    Have a look at this, Deep Cleaning a Sand Filter
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    2012 build and pics, 20k gal gunite, black onyx pebblesheen, OK flagstone, IntellifoVS, cart filter w/Pleatco, IC40 SWG, Solartouch, 5 12'x4' solar panels, HP50HA heat pump, 8mil solar cover, borates, TF-100 test kit, SONOS, Doheny's Discovery Robot, hot tub on bleach

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    Re: Sand filter, did I goof up???

    Well lesson learned, I ended up cleaning my shop vac out really well and sucking all the sand out. Once that was done I removed the center pipe and laterals and gave them a good cleaning while I had them out. Reinstalled the center pipe and laterals, refilled with the sand in the vacuum, gave it a good backflushing and rinsing and we are back in business! Valuable lesson learned, do not move the center pipe while cleaning the debris off the top of the sand!!! Thank you guys for your help!
    Intex 18'x48" Ultra fram 6400 gallon Intex SWG

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