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Thread: Effects of cleaning filter on CYA and boric acid

  1. Back To Top    #1

    Join Date
    May 2011
    Location
    Nixa, MO
    Posts
    2

    Effects of cleaning filter on CYA and boric acid

    I have a 29,000 gallon vinyl SWG pool. I just converted it to BBB.

    After I open my pool, vacuum it clean and get the chemicals correct, I like to rinse out the cartridge filters so they are good for the summer.

    My concern is I have just added a bunch of CYA and boric acid (55 lbs) to the water. If I rinse and clean the filters now will I remove any of the chemicals I just added? If so, how much? Should I wait some period of time before I rinse them?

    Thanks for your help.
    29K gal, vinyl, Eclipse automatic cover, IntelliFlo 4 pump, Pentair cartridge filter, IntelliChlor SWG, Kreepy Krauly cleaner

  2. Back To Top    #2
    JasonLion's Avatar
    Join Date
    May 2007
    Location
    Silver Spring, MD
    Posts
    37,879

    Re: Effects of cleaning filter on CYA and boric acid

    Welcome to TFP!

    CYA is especially slow to dissolve. If you recently added some granular CYA, I wouldn't clean the filter cartridges until it has been a week since the addition. Quite a bit of the CYA will be dissolved after a day or two, but unless you have some pressing need to clean the filter right away, you might as well put if off for the full week.

    Borates dissolve much more quickly than that, and would only be an issue for one to three hours.
    19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
    Creator of PoolMath and Pool Calculator. Other handy links: Support this site, TF Test Kits, Pool School

  3. Back To Top    #3

    Join Date
    May 2011
    Location
    Nixa, MO
    Posts
    2

    Re: Effects of cleaning filter on CYA and boric acid

    Thanks for welcoming me and responding. I have been reading this forum and using the pool calculator app for a couple years, just never posted.

    There is no hurry to clean the filters. I just like to clean them after vacuuming up all the worms, leaves and other junk after the winter. When I do this there seems to be a lot of milky white stuff that rinses out. By rinsing the filters after opening, I feel it just gives me a really clean start to the summer swim season and I don't have to clean them again until I close the pool in the fall.

    I'll wait a week or two before cleaning.

    Thanks again,
    29K gal, vinyl, Eclipse automatic cover, IntelliFlo 4 pump, Pentair cartridge filter, IntelliChlor SWG, Kreepy Krauly cleaner

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