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Thread: Floc

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    Floc

    I'm in the process of flocking my pool. I added the floc 3 days ago and it has kind of worked. It has sunk the particles to the bottom but when I vacuum it looks like it stirs more up than I'm getting with the vacuum. I'm vacuuming to waist so this is dropping my water level rapidly. I've vacuumed 4 times and I would say that I have at least 2 more to go. This is taking much longer than I expected and I'm wondering if I should be running the pump between vacuuming? Also, has anyone ever done this? How long will this take? Any advice?

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    Mod Squad jblizzle's Avatar
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    Re: Floc

    You will not likely find many members who have used floc ... we generally do not recommend it as it does not always work and often causes more issues.

    Only they I can suggest is to keep doing what you are doing.
    Jason, TFP Moderator
    18k IG pebblesheen pool, Hayward ProLogic P4 w/ T-15 SWG, Pentair 1HP 2-speed Superflo, Hayward 6020 DE filter
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    Re: Floc

    I know you don't recommend floc but I finally got my water to test right and I ran the filter 24/7 for 5 days but the water wouldn't clear. It was still very cloudy and was not improving. I have a sand filter and it wasn't getting the job done.

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    Mod Squad jblizzle's Avatar
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    Re: Floc

    Did you try adding DE to the filter as described in Pool School?
    Jason, TFP Moderator
    18k IG pebblesheen pool, Hayward ProLogic P4 w/ T-15 SWG, Pentair 1HP 2-speed Superflo, Hayward 6020 DE filter
    500 sqft Heliocol solar panels, ThePoolCleaner, TF-100 test kit w/ SpeedStir
    Pool School + Test Kit + PoolMath = A TROUBLE FREE POOL
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    Richard320's Avatar
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    Re: Floc

    Vacuum to filter and then backwash. You don't waste water that way. And when you vacuum, sneak up on stuff and let the vacuum draw it in ahead of itself. You move really really slowly. I'm sure you had to work fast when you were vacuuming to waste. Take your time this way. I stand corrected
    16K freeform gunite with spa; Pentair 4000 DE filter; Century Whisperflow 1 HP; Pentair Minimax heater.
    Troublefree does not mean Maintenancefree. It's like brushing your teeth: You can spend a couple minutes a day and pennies a week or go to the dentist once a year and spend several thousand dollars.
    A pool is like a pet - you have to feed it every day, even the days you don't want to play with it!

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    Casey's Avatar
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    Re: Floc

    Sand filters take a long time to clear cloudy water. As jblizzle noted, look into adding DE to the filter to aid in clearing the water. It all takes time... just like it takes time for a pool to turn into a pea green monster.
    I'd bet you my bikini you'll never get TFP water from a pool store!

    24' Sharkline Venture De Filter

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    Re: Floc

    Did you turn the pump off over night to let all the particles settle? You could try brushing all the settled particles to one spot of the pool and vacuum it all from the one spot. It would take some time but just push it with the brush and let it settle and repeat that process. Would help to save water.
    24k Ag pool, cartridge filter, 1.5 hp pump.

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    JasonLion's Avatar
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    Re: Floc

    Floc should not be vacuumed to the filter. It can clump in the filter and form a gummy mess (doesn't always, but often enough to be an issue). You should also not run the pump once the floc is mixed into the water except to vacuum the floc to waste. Running the pump in filter or circulate mode will stir the floc up again and you will nee dot wait for it to settle all over again.

    Floc should settle to the bottom in about 8 to 12 hours with the pump off, most people wait overnight. If it isn't settling after that, it isn't likely to settle at all.

    Vacuuming to waste takes some practice. You need to move quickly because you are losing water, but you need to move slowly because moving quickly stirs everything up so it can't be vacuumed. So there is a balancing act to master. I can vacuum the whole pool is under and hour, but if vacuuming to waste I need to stop and refill the pool for hours every 20 minutes.

    For these, and other, reasons we don't recommend using floc.
    19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
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