+ Reply to Thread
Results 1 to 10 of 30

Thread: Sequestration or Chelation??

Hybrid View

  1. #1
    mbar's Avatar
    mbar is offline Lifetime Member Whizbang Spinner mbar 3 stars mbar 3 stars mbar 3 stars mbar 3 stars
    Join Date
    Dec 1969
    Location
    Ashland, PA
    Posts
    1,009

    Default Re: Sequestration or Chelation??

    Evan, what would make the water cloud when you put bleach in it? Today when I added bleach, you can see a cloud forming. The water was clear before the bleach. Could it be the sequestering agent? Would it be that there is too much in my water? The ph was low this morning so I added some borax, then I add some chlorine a little while later. My numbers are:
    FC - 7
    CC - 0
    PH - 7.5
    Alk - 100
    Cal - 170
    CYA - 50

    I added about 4oz. of metal magic and 2oz. of SeaKlear on Thursday. The water was a little hazy, but when I added the bleach today, it clouded up. My alkalinity has gone up about 20ppms too. We did have a storm last Sunday (that's why I added the sequestering agent and SeaKlear), and it has been very hot here, so I have had a heavier bathing load. I just can't figure it out, maybe you can help
    Northeast PA
    16'x32' kidney 16K gal IG fiberglass pool; Bleach; Hayward 200lb sand filter; Hayward pump; 24hrs; Pf200; well; summer: none; winter: mesh; ; PF:7.5

  2. #2
    waterbear's Avatar
    waterbear is offline Lifetime Member Sniggle Mechanic waterbear 4 stars waterbear 4 stars waterbear 4 stars waterbear 4 stars
    Join Date
    Nov 2004
    Location
    St. Augustine, Fl
    Age
    71
    Posts
    3,743

    Default Re: Sequestration or Chelation??

    If you have a lot of seqeusterant in the water I suspect that the bleach was oxidizing some metals and the sequesterant reacted with it to form a metal phosphonate precipitate (remember that Metal Magic is supposed to form 'crystals' that your filter willl filter out). That is about the only thing I can come up with.
    Retired pool store and commercial pool maintenance guy.

  3. #3
    mbar's Avatar
    mbar is offline Lifetime Member Whizbang Spinner mbar 3 stars mbar 3 stars mbar 3 stars mbar 3 stars
    Join Date
    Dec 1969
    Location
    Ashland, PA
    Posts
    1,009

    Default Re: Sequestration or Chelation??

    I am just stumped Although it may be algae, my pool used up about 7ppms of chlorine today, which is very high with a cya of 50, the only swimmers were my husband and I, I don't think we have that many cooties. I just can't fiure out why it clouds with the addition of bleach, using up sequestering agent sounds right, but I really don't think I have too much sequestering agent in it, I will have to test it with the sequestering kit I just got, and have been too busy to look at
    Northeast PA
    16'x32' kidney 16K gal IG fiberglass pool; Bleach; Hayward 200lb sand filter; Hayward pump; 24hrs; Pf200; well; summer: none; winter: mesh; ; PF:7.5

+ Reply to Thread

Similar Threads

  1. How long does metal sequestration take?
    By Centex Newbie in forum Dealing with Stains & Metals, . . . and 'Minerals' & 'Ions',
    Replies: 1
    Last Post: 09-08-2012, 07:23 PM

Bookmarks

Posting Permissions

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