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Thread: Backwashing

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    Join Date
    May 2014
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    Upstate NY, US
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    Backwashing

    I'm a bit unsure of how to do this properly, so I figure the pool geniuses here will know. Based on what I read, it appears that I should follow this protocol:

    1. Shut Pump off
    2. Switch Filter to Backwash Mode
    3. Turn pump back on
    4. Let it backwash until sight glass is clear
    5. Turn pump off
    6. Turn back to Filter mode
    7. Turn pump back on

    I read that some people like to run it on rinse after, what do you guys think? Want to make sure I do it right.
    My pool: 13,500 gallons round pool, 24' w 52" above ground, hard sided pool. Jacuzzi 190L Sand Filter, 1 Horse Waterway pump, Robotic Vacuum

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    frustratedpoolmom's Avatar
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    May 2007
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    Re: Backwashing

    Yes set it to rinse after, watching the site glass for clear water. About 45 seconds to a min
    Helpful links: Pool School; CYA/Chlorine Chart
    24' round AG pool, 52" high, Raypak heater; Waterway 2 spd Pump;
    150 Sq ft. Clearwater Cartridge Filter; Former and DISSATISFIED "Pool Frog" owner
    http://www.PerfectlyClearPoolService.com

  3. Back To Top    #3

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    Re: Backwashing

    45 seconds to a minute of backwash? Or 45 seconds to a minute of rinse?

    Thanks
    My pool: 13,500 gallons round pool, 24' w 52" above ground, hard sided pool. Jacuzzi 190L Sand Filter, 1 Horse Waterway pump, Robotic Vacuum

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    Butterfly's Avatar
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    Re: Backwashing

    ....about 45 seconds min RINSE.

    Do you have the owner's manual?
    TFP Moderator TF100 Test Kit TF100 TestKit YouTube Channel PoolMath
    You're done SLAMing when:
    1)You lose 1ppm or less FC overnight, & 2)You have .5ppm CC's or less, & 3)your water is clear.

    ~ One should not use a sledge hammer to swat a mosquito. ~

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  5. Back To Top    #5

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    Re: Backwashing

    Quote Originally Posted by Butterfly View Post
    ....about 45 seconds min RINSE.

    Do you have the owner's manual?
    I'd have to look, it came with the house.
    My pool: 13,500 gallons round pool, 24' w 52" above ground, hard sided pool. Jacuzzi 190L Sand Filter, 1 Horse Waterway pump, Robotic Vacuum

  6. Back To Top    #6
    Richard320's Avatar
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    San Dimas, CA (LA County)
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    18,768

    Re: Backwashing

    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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    steveg_nh's Avatar
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    Oct 2013
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    Re: Backwashing

    I alternate back and forth between backwash and rinse a few times, not just once. Even though it runs clear after the first rinse, if you do it a few more times, you will see more crud come out. Of course you lose more water, but it's cleaner.
    24'x40' 25k gal Imperial Mountain Pond IGP, full 28 mil VynAll Ocean Breakers liner. All Hayward system: 140k BTU HeatPro heat pump, 3/4HP single speed TriStar 2" Pump, DE6020 filter, AquaPlus Automation/Salt Chlorination, remote controls, ColorLogic 4.0 lighting. Polaris 280 w/PB4-60 BP. TF100 & K1766 test kits. Rinox Palazzo pavers and Spherik coping. Pool installed 9/2013, project completed 6/16/14.

  8. Back To Top    #8

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    Re: Backwashing

    Quote Originally Posted by Richard320 View Post
    Yes, that is it Richard.

    Quote Originally Posted by steveg_nh
    I alternate back and forth between backwash and rinse a few times, not just once. Even though it runs clear after the first rinse, if you do it a few more times, you will see more crud come out. Of course you lose more water, but it's cleaner.
    Yeah, I think I may have too, I'm gonna have to add water before I can backwash hard core. I'm going to have the better half hook that up tonight and add water, hopefully it won't slow down my SLAM too much.
    My pool: 13,500 gallons round pool, 24' w 52" above ground, hard sided pool. Jacuzzi 190L Sand Filter, 1 Horse Waterway pump, Robotic Vacuum

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