Become a TFP Supporter Pool Math Forum Rules Pool School
Results 1 to 4 of 4

Thread: Something wrong with FC level?

  1. Back To Top    #1

    Join Date
    Apr 2013
    Location
    South California
    Posts
    69

    Something wrong with FC level?

    I just opened the pool yesterday. The pool had been covered all the time it's been closed.

    FC: 0
    PH: 7.5
    TA: 110
    CYA: 80
    SALT" 3000
    Water is clear

    After I measured yesterday, I added 24oz of chlorine. Today, I measured again and FC=0. Added 24oz of chlorine. Checked back after 45min. FC = 1. Added another 24 oz.

    During the closed time, once in a while I ran the SWG. Is something wrong here?

    Since yesterday:

    I added a 5 lb of salt to bring up to 3200 ppm

    Been working on bring down PH. Adding acid to bring PH and TA down. Today TA = 100. Keep adding acid and doing aeration.
    Summer Escape 4k gal-AG
    Intex sand filter 1600 GPH
    Intex SWG model 54601
    Taylor K2006 kit & Taylor Salt Water Test Kit K-1766
    Installed 4/29/13

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

    Re: Something wrong with FC level?

    Having a little extra chlorine demand when you first open in the spring is fairly common. I suggest bringing the FC level up to around 10, and then do an overnight chlorine loss test just to make sure you cleared out whatever is causing the excess chlorine demand.
    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
    Apr 2013
    Location
    South California
    Posts
    69

    Re: Something wrong with FC level?

    Thanks Jason. I will add more chlorine right now.

    Can we get into the pool during the process?. The kids keep asking all day.
    Summer Escape 4k gal-AG
    Intex sand filter 1600 GPH
    Intex SWG model 54601
    Taylor K2006 kit & Taylor Salt Water Test Kit K-1766
    Installed 4/29/13

  4. Back To Top    #4
    JasonLion's Avatar
    Join Date
    May 2007
    Location
    Silver Spring, MD
    Posts
    37,879

    Re: Something wrong with FC level?

    If you can get FC up to 6 or higher then swimming is fine.
    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

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •