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Thread: New TF-100 Owner.. results and questions

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    New TF-100 Owner.. results and questions

    pH: 7.2 (yay! brought down from 7.7 with three cups of Muriatic Acid)

    TC: 0 (eeek.. should I be shooting for 3ppm)?

    Bromine: 0

    FAS\DPD: NA (After adding the powder, the solution never turned pink??)

    TA: NA (Should the water stay red after so many drops, or will it only turn red briefly?)

    CYA: NA (I added all of the mix to the view tube and I could still see the black dot)

    Thanks all!

    Justin
    2003 Coleman MAAX Collection Model 706 - 400gal

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    JasonLion's Avatar
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    You should add some chlorine right away, and again each evening. It is also time to get started on adding CYA.

    With brand new fill water and no CYA added you should aim for FC of 2. A couple of hours after adding CYA adjust your FC target based on what your addition should raise the CYA level to. It takes one 96 oz jug of 6% bleach to raise FC by 2 in your pool.

    The TA test should start green. The first few to many drop tend to have little visible effect. As you near the actual level the drops will start turning the solution partly or mostly red and then back to green as you swirl. The final drop will turn the water red and it will stay red for several minutes. Generally it only takes 2 to 5 or perhaps 10 seconds of swirling for a temporary red to go away, so the permanent red is fairly obvious. If in doubt add another drop and see if the color changes any further. Any drop that changes the color further should be counted, but a drop which leaves it at the same red as before does not count.

    On CYA, the black dot showing clearly with the tube full is zero. If the black dot has gotten hazy and vague with the tube full I call that 10, though it is rather subjective.

    FAS-DPD - you don't have any chlorine, so no pink.
    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

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    Thanks.. My plan:

    Pickup 6lbs of stabilizer at local PS or Walmart to get CYA to 30. Should I use any type of white sock, or panty hose when adding via skimmer? Do I just lay the sock in the skimmer basket? Should I remove the pucks as well?

    Add 96oz of 6% Clorox to get FC to 2ppm.


    Thanks again!
    2003 Coleman MAAX Collection Model 706 - 400gal

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    JasonLion's Avatar
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    I would just add the CYA to the skimmer, just remember not to backwash/clean the filter for a week.
    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

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    Ok.. I have two skimmers.. simply pour three lbs in each with the pump running without removing the pucks?
    2003 Coleman MAAX Collection Model 706 - 400gal

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    JasonLion's Avatar
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    Yes, either or both skimmers. It is best to remove the basket and puck(s) and pour very slowly. When you are done put the basket/puck(s) back in. That lets the CYA go down the pipe and into the filter, where it will dissolve slowly without harming anything.
    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

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    super, thanks!
    2003 Coleman MAAX Collection Model 706 - 400gal

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    Ok, I added 96oz of Clorox and 2lbs of CYA (figured I would start small).

    I can see the granulars coming out of the returns. Some is setting at the bottom.. I thought this was ill-advised as the acid can hurt the liner (hence the need to use a sock)?

    Justin
    2003 Coleman MAAX Collection Model 706 - 400gal

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    Justin,

    Are you saying you poured CYA in the skimmer and it's coming out the returns?

    If so, is your filter on the "filter" setting or "recirculate"?

    If it's on "filter", you have a major filter problem.
    Dave S. - Forum owner
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
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  10. Back To Top    #10
    ^^ correct. The pump is set to filter. I have never seen anything before come out the returns. Maybe I just added the CYA too fast?

    I guess I will use the sock method moving forward.
    2003 Coleman MAAX Collection Model 706 - 400gal

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    Maybe I just added the CYA too fast?
    Nope. Something else is wrong. Whatever you put in the skimmer goes thru the pump into the filter and then must travel thru your filter media before it can pass back to the pool.

    Something is wrong with your filter if the CYA passed right thru.
    Dave S. - Forum owner
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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    only a very little amount passed though. Nonetheless, I am not even sure what to check. I know the sand is 3-4 years old.
    2003 Coleman MAAX Collection Model 706 - 400gal

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    Also, I just went out and checked. No more granular is getting through. I also added the CYA to socks and the socks to the skimmers.
    2003 Coleman MAAX Collection Model 706 - 400gal

  14. Back To Top    #14
    My numbers are looking better by the day!

    TC: 3.0 (added 96oz of Clorox)
    pH: 7.5

    I also have CYA in socks in the skimmers. Will test CYA again next week!
    2003 Coleman MAAX Collection Model 706 - 400gal

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    Guest
    Have you ever cleaned you sand? It very possible has channeled and would benefit from a cleaning. CYA should NOT be going through your filter!

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    this is my first year.. I have no idea if the previous owner cleaned it. I am guessing no. How would I do it?
    2003 Coleman MAAX Collection Model 706 - 400gal

  17. Back To Top    #17
    Updated numbers:

    TC: 3ppm
    FC: 3.5ppm
    CC: .5
    pH: 7.5
    TA: not sure..I stopped at drop 20!
    CYA: Just added 4lbs, waiting a week
    2003 Coleman MAAX Collection Model 706 - 400gal

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