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Thread: Still seeing sand/algae on bottom of pool after SLAM

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    Still seeing sand/algae on bottom of pool after SLAM

    Ok, so I've been slamming my pool for the past week. The last couple of nights I've passed the overnight FC test and my pool is keeping a good FC level (around 12 for the SLAM). My CYA is holding steady at 30 and my PH is around 7.6. Everything seems to be good.

    I've been vacuuming up what I thought was algae everyday. Sometimes on filter sometimes on waste. Every morning when I wake up and check the pool though, there is junk on the bottom.

    My initial thinking was that it was algae, but now I'm starting to think it's sand. It seems to happen more when I run the filter for and extended period time. I've been back washing and rinsing my filter every other day but the stuff on the bottom just keeps coming back.

    Any ideas??
    7600 gallons AG. Hayward Sand filter. Taylor k-2006.

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    pabeader's Avatar
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    Re: Still seeing sand/algae on bottom of pool after SLAM

    Collect some and lets see what it is...
    Bob - Palm Beach by San Juan Pools. approx 5000 gals., Pentair 320 cartridge filter (all new guts installed by me), Goldline SWG, 'New to me' Kreepy Krauly Sand Shark, Intermec 104 Timer Test kit: TF-100 w/Speed Stir

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    Re: Still seeing sand/algae on bottom of pool after SLAM

    Quote Originally Posted by pabeader View Post
    Collect some and lets see what it is...
    What's the best way to do that?
    7600 gallons AG. Hayward Sand filter. Taylor k-2006.

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    dakhath's Avatar
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    Re: Still seeing sand/algae on bottom of pool after SLAM

    Quote Originally Posted by Newerabs View Post
    What's the best way to do that?
    What are you using to vacuum with?
    You could just use the vacuum hose without anything attached to it.
    Just put a nylon sock or panty hose over the end and suck up some of the debris.
    It will allow water to flow by and trap some of the debris for closer inspection.
    Coleman 5300 gal 16'x48" AGP
    Intex Krystal Clear 2800gph Sand Filter Pump 28647EG (56673EG)
    Intex Krystal Clear Saltwater System ECO 8110
    Taylor K-2006 & K-1766 test kits w/ Speedstir and Samplesizer

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    Re: Still seeing sand/algae on bottom of pool after SLAM

    Turkey baster works best.
    Bob - Palm Beach by San Juan Pools. approx 5000 gals., Pentair 320 cartridge filter (all new guts installed by me), Goldline SWG, 'New to me' Kreepy Krauly Sand Shark, Intermec 104 Timer Test kit: TF-100 w/Speed Stir

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    Re: Still seeing sand/algae on bottom of pool after SLAM

    Once I do that, what should I with it? Just look at it closely to see if it's sand?
    7600 gallons AG. Hayward Sand filter. Taylor k-2006.

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    Re: Still seeing sand/algae on bottom of pool after SLAM

    Spritz it slowly onto some paper towel. Take a picture. I'm sure some folks here will want you to touch it and smell it and all kinds of other stuff.
    Bob - Palm Beach by San Juan Pools. approx 5000 gals., Pentair 320 cartridge filter (all new guts installed by me), Goldline SWG, 'New to me' Kreepy Krauly Sand Shark, Intermec 104 Timer Test kit: TF-100 w/Speed Stir

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    Earl Cox's Avatar
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    Re: Still seeing sand/algae on bottom of pool after SLAM

    Yea touch it you might be able to tell
    6280 Gal Intex 17' x 52" Metal Frame AG
    2500 GPH Filter Pump
    Intex Krystal clear SWG
    Taylor K-2005 With FAS-DPD Drop TEST KIT And Speedstir
    Intex Robot Pool Cleaner

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