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Thread: TF-100 will be here on Thursday

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    TF-100 will be here on Thursday

    Meantime, I've been muddling through with this for 3 days now.


    CYA is high for sure but this kit makes it a little hard to tell exactly how high.



    I think it's between 100 and 150 - but maybe it's even higher.

    My question is this - can I mix clean water and pool water 1:1 and test that solution to get a more accurate CYA reading? (I realize I'll need to double the result. )






    16,600 gallon, freeform, gunite and plaster pool/spa combo. Hayward SP3207EE pump, S310T sand filter, Century 1081 boost pump and Aqualogic panel.

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    Re: TF-100 will be here on Thursday

    Okay wrong picture. That's the FC which is a little over 10.

    Switching out of Tapatalk so I can figure out how to edit the post.


    16,600 gallon, freeform, gunite and plaster pool/spa combo. Hayward SP3207EE pump, S310T sand filter, Century 1081 boost pump and Aqualogic panel.

  3. Back To Top    #3
    Texas Splash's Avatar
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    Re: TF-100 will be here on Thursday

    No Stacy, it won't work. Not because of the dilution method itself (we do that from time to time), but because the strips themselves just aren't accurate. You'd be wasting your time. Hang in there. You have the best kit available on its way.

    Now when your TF-100 gets here, if you show a CYA at or over 100, you can do the following:
    CYA Dilution Testing:
    Add pool water to bottom of sticker.
    Add tap water to top of sticker.
    Shake.
    Pour out half so mixture is to bottom of sticker.
    Add reagent to top of sticker.
    Shake.
    Test outside with back to sun and tube at waist level.
    Pour back and forth a few times to see if you get the same result.
    Double the result.
    Pat (a.k.a. Texas Splash) ~ My Pool: Viking Fiberglass; 17,888 Gal; Waterway Supreme 2-sp/2-hp pump; Hayward Ctg filter; TF-100 w/ Speed Stir
    Vital Links: POOL SCHOOL, RECOMMENDED LEVELS, RECOMMENDED CHEMICALS, Poolmath Calculator, SLAM, Chlorine/CYA CHART.
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    Re: TF-100 will be here on Thursday

    Shucks, I thought I was being so clever!


    16,600 gallon, freeform, gunite and plaster pool/spa combo. Hayward SP3207EE pump, S310T sand filter, Century 1081 boost pump and Aqualogic panel.

  5. Back To Top    #5

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    Re: TF-100 will be here on Thursday

    This is the CYA result. I'm pretty good with color, but this is just plain guess work.


    16,600 gallon, freeform, gunite and plaster pool/spa combo. Hayward SP3207EE pump, S310T sand filter, Century 1081 boost pump and Aqualogic panel.

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    Re: TF-100 will be here on Thursday

    And that is why we call them guess strips
    32K gallon Plaster - 1hp Hayward 2 speed Super Pump - Hayward S200 Sand Filter - TF100XL
    Test Kits - Pool Math - Chlorine/CYA/Target/Slam Chart

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    Texas Splash's Avatar
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    Re: TF-100 will be here on Thursday

    It is guesswork. It seems like a brilliant, convenient concept, but you'll see how far off those results are once you do your own testing. We have all had that same reaction once we do our own testing for the first time with a "real" test kit. Then we look back at all the time/money we wasted in disbelief.
    Pat (a.k.a. Texas Splash) ~ My Pool: Viking Fiberglass; 17,888 Gal; Waterway Supreme 2-sp/2-hp pump; Hayward Ctg filter; TF-100 w/ Speed Stir
    Vital Links: POOL SCHOOL, RECOMMENDED LEVELS, RECOMMENDED CHEMICALS, Poolmath Calculator, SLAM, Chlorine/CYA CHART.
    If you enjoyed your TFP experience, please consider donating to Support TFP!

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    Re: TF-100 will be here on Thursday

    Here's my plan for the next two days. Please feel free to tell me if this is the wrong interim solution.

    Best guesses for key levels...
    CYA - 100+
    TC - (a lit the over) 10
    FC - about 9

    I'll run the vacuum and filter non-stop till my kit comes.

    I'm about to go pour a gallon of 8.25% bleach in there (slowly in front of the returns).

    The reason I don't want to wait is that I think it is trying to grow algae. It isn't truly green though. It's got a reddish brown cast to it.

    Is it overkill to post a pic of it?

    I just drew in it with my hand. I'll grab a pic.




    16,600 gallon, freeform, gunite and plaster pool/spa combo. Hayward SP3207EE pump, S310T sand filter, Century 1081 boost pump and Aqualogic panel.

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    Re: TF-100 will be here on Thursday



    Maybe it's just dust or soil blown on the wind?


    16,600 gallon, freeform, gunite and plaster pool/spa combo. Hayward SP3207EE pump, S310T sand filter, Century 1081 boost pump and Aqualogic panel.

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    paulmaz's Avatar
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    Re: TF-100 will be here on Thursday

    Can't hurt throwing the bleach in, especially since you know your CYA is high. And for sure vacuum. That is what my pool has looked like all week. I had run in from all the rain we had, and it was dirty. I would vacuum daily. until you don't get that dirt coming off the brush after the pool has been still for a while.
    -Paul
    15k gallon IG plaster, 26x39 at widest points, sort of shaped like the great state of Texas!
    B2854 Pentair Challenger 1.5 HP single speed motor
    Tagelus TA-60 Sand Filter, Polaris 280, TF-100

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    Re: TF-100 will be here on Thursday

    Thanks. I just read a bunch of "is this algae" posts and I think you are right. I can clear and area just by waving my hand across it under water quickly. The brush isn't even necessary.

    The vacuum will run non stop now until it is solved.

    And speaking of vacuums, I need to make a new thread.


    16,600 gallon, freeform, gunite and plaster pool/spa combo. Hayward SP3207EE pump, S310T sand filter, Century 1081 boost pump and Aqualogic panel.

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    Re: TF-100 will be here on Thursday

    I dealt with that same or similar dusty looking stuff last year. I was actually finer than what the filter would pick up. You could wave your hand at it and it would 'blow' away. The robot vac helped but the pool would just cloud up after vac'ing.

    Ultimately as much as I hated to i adding some flocking to the pool in hopes that it would bind to the particles and aid in filtration.

    Only reason I resorted to this was because all of my tests were good. But it took a long time to clear up.
    24'x54" AGP 13,500g AquaLeader Sentinelle | Hayward Voyager CC150 sqft cartridge filter | Hayward 2hp 2spd pump | Hayward Aquaray Cleaner

  13. Back To Top    #13

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    Re: TF-100 will be here on Thursday

    I am still filtering it out. I'm making progress (slowly). I've been running the vacuum all day long.
    It started working better when I started taking the collection bag off and instead of just emptying and rinsing it, I'm blasting it with the hose on jet every few hours.

    The fine particulate clogs the bag fibers so it wasn't floating up to receive the debris right.





    16,600 gallon, freeform, gunite and plaster pool/spa combo. Hayward SP3207EE pump, S310T sand filter, Century 1081 boost pump and Aqualogic panel.

  14. Back To Top    #14

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    Re: TF-100 will be here on Thursday

    I also added skimmer socks. Seemed to catch some of the fine stuff before it got to the filter. Any way best of luck getting it done.
    24'x54" AGP 13,500g AquaLeader Sentinelle | Hayward Voyager CC150 sqft cartridge filter | Hayward 2hp 2spd pump | Hayward Aquaray Cleaner

  15. Back To Top    #15

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    Re: TF-100 will be here on Thursday

    Skimmer socks? Tell me more, please?


    16,600 gallon, freeform, gunite and plaster pool/spa combo. Hayward SP3207EE pump, S310T sand filter, Century 1081 boost pump and Aqualogic panel.

  16. Back To Top    #16

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    Re: TF-100 will be here on Thursday

    Here you go. I can't get them to stay on, but lots of people here like them.

    Amazon.com : Pool Filter Savers - Skimmer Socks (5-Pack) : Swimming Pool Cartridge Filters : Patio, Lawn Garden
    32K gallon Plaster - 1hp Hayward 2 speed Super Pump - Hayward S200 Sand Filter - TF100XL
    Test Kits - Pool Math - Chlorine/CYA/Target/Slam Chart

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    TF-100 will be here on Thursday

    Thank you, Mr Bruce. Ordered and on the way.

    I wonder if in the future I could use knee-high nylons like I did on my washing machine hose that drained into the utility tub.

    I'm 99% sure they'd stretch enough. Anyone try this?


    16,600 gallon, freeform, gunite and plaster pool/spa combo. Hayward SP3207EE pump, S310T sand filter, Century 1081 boost pump and Aqualogic panel.

  18. Back To Top    #18

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    TF-100 confirmed CYA over 125

    So we bought some pumps, set the panel to maintenance mode and drained it. 16,200 of 16,600 gallons took 20 hours.

    It's 95% refilled now. CYA is zero everywhere. I have added 512 fl oz of 10% chlorine about a quart at a time over the last 20 hours of refill time.

    I will run the complete panel as soon as it reaches level.

    I want to know if I should add more liquid chlorine now.

    POOL TESTS AT 80% FULL
    CYA 0
    TC 5
    Ph 7.6
    TA 160

    SPA TESTS full
    CYA 0
    TC 2
    Ph 8.2
    TA 190










    16,600 gallon, freeform, gunite and plaster pool/spa combo. Hayward SP3207EE pump, S310T sand filter, Century 1081 boost pump and Aqualogic panel.

  19. Back To Top    #19

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    Re: TF-100 confirmed CYA over 125

    5% of 125 is 5.2, so I would add enough CYA to get to 20 so that you should be about 25 with a little elbow room. FC is fine for now but with no CYA will go away quickly.
    32K gallon Plaster - 1hp Hayward 2 speed Super Pump - Hayward S200 Sand Filter - TF100XL
    Test Kits - Pool Math - Chlorine/CYA/Target/Slam Chart

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    Re: TF-100 confirmed CYA over 125

    I have some bottles of Shock left by the previous owner, but can I / should I use those to raise CYA?

    And since I have nothing running now, would the shock pellets just sit there until we turn it back on?
    Would they damage the plaster?



    16,600 gallon, freeform, gunite and plaster pool/spa combo. Hayward SP3207EE pump, S310T sand filter, Century 1081 boost pump and Aqualogic panel.

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