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Thread: First time Tf100 test results

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    First time Tf100 test results

    Ok so my pool is now full, new install. I used my hose to fill it. PLease help i will have a ton of questions so i just want to thank everyone in advanced. THANKS

    FC: 1.5
    CC: .5
    TC: 2.0
    ph: 7.2
    T/A: 20
    CH : 30
    CYA: 0 (was clear until it was at the top)
    Temp: approx 70

    I have had the filter running for about two hours this morning before testing. I really hope i did not mess any of these up.
    AGP (Wil-Par): 24' round, approx 14,000 gallon, 2 hp- 2 speed cartridge filter, TF100 test kit.

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    Re: First time Tf100 test results

    This would be a good sequence.

    1. Add CYA to your pool. Use Jason's calulator to figure the dosage to bring you up to 30-40ppm

    1A. Use baking soda to raise your TA up to around 80-100. Use Jason's calculator. Check your pH it'll probably rise just a little.

    2. For the next 4 days or so, add 2ppm of FC to your pool each day....that gives your CYA time to dissolve.

    3. From that point, keep FC around 3-4ppm or so. You'll probably consume 1-3ppm daily

    Once your CYA is about 40, your FC around 3, and your pH and TA as mentioned above, you can adjust your CH up to around 200. No rush on that, tho. The CYA is most important so your FC will hold.

    Keep reading in Pool School and ask lot's of questions.....you'll get lots of help
    Dave S. - Forum owner
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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    Re: First time Tf100 test results

    Quote Originally Posted by duraleigh
    , you can adjust your CH up to around 200.
    Since you have a vinyl liner AGP, you don't need to go that high on the CH. You can aim for 50, or even 100 if you like.
    Helpful links: Pool School; CYA/Chlorine Chart
    24' round AG pool, 52" high, Raypak heater; Waterway 2 spd Pump;
    150 Sq ft. Clearwater Cartridge Filter; Former and DISSATISFIED "Pool Frog" owner
    http://www.PerfectlyClearPoolService.com

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    Re: First time Tf100 test results

    thanks for the help.
    Question; where and how do i put in the cya, can i purchase a stabilizer from Walmart or should i go to the pool store?
    AGP (Wil-Par): 24' round, approx 14,000 gallon, 2 hp- 2 speed cartridge filter, TF100 test kit.

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    Re: First time Tf100 test results

    Yes, wal-mart sells it. Look for CYA or Stabilizer or Conditioner or Cyanuric Acid, they are typically sold in 3-4 lb cannisters for around $12 to $15. If they don't have it you can buy it from the pool store. Or if you have an Ace hardware, they also sell pool supplies and they may have it.

    You can pour it slowly in your skimmer or put it in a sock and hang it in front of the return. If you do put it in the skimmer, don't clean your filter for a week, as it will sit there dissolving. I takes several days to fully dissolve and register on tests, so don't retest for 5-6 days. But assume that it's in there and adjust your FC levels according to the CYA chart after the 2nd day. Even if it dissolves from the sock in 2-3 days, don't test yet, you'll waste your reagent.
    Helpful links: Pool School; CYA/Chlorine Chart
    24' round AG pool, 52" high, Raypak heater; Waterway 2 spd Pump;
    150 Sq ft. Clearwater Cartridge Filter; Former and DISSATISFIED "Pool Frog" owner
    http://www.PerfectlyClearPoolService.com

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    Re: First time Tf100 test results

    if i put it in a sock ( do you mean a sock like you wear? ), and it lays against the wall can it damage the liner?
    AGP (Wil-Par): 24' round, approx 14,000 gallon, 2 hp- 2 speed cartridge filter, TF100 test kit.

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    frustratedpoolmom's Avatar
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    Re: First time Tf100 test results

    Yes, like a tube sock. I've never heard anyone complain about that....good question tho! The CYA is acidic so it lowers PH but I don't think it's so much that it could damage the liner in that location. I've not seen any posts with that complaint.
    Helpful links: Pool School; CYA/Chlorine Chart
    24' round AG pool, 52" high, Raypak heater; Waterway 2 spd Pump;
    150 Sq ft. Clearwater Cartridge Filter; Former and DISSATISFIED "Pool Frog" owner
    http://www.PerfectlyClearPoolService.com

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    Re: First time Tf100 test results

    and it lays against the wall can it damage the liner?
    It's fairly acidic (not good for liners) so most folks put it in a sock and then put the sock into the skimmer.

    Or, you could suspend the sock somewhere in the middle of the pool where it doesn't touch.

    Or, you could put it directly into the skimmer (pump running) like I do and then know that you can't backwash for around 5 days to insure the CYA is completely dissolved.
    Dave S. - Forum owner
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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    Re: First time Tf100 test results

    great thanks.. I went and got stabilizer, its 100% cy acid. I will put it in now. thanks for the help.
    Can i start on the CA and FC now, or should i wait a day?
    AGP (Wil-Par): 24' round, approx 14,000 gallon, 2 hp- 2 speed cartridge filter, TF100 test kit.

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    Re: First time Tf100 test results

    Can i start on the CA and FC now, or should i wait a day?
    2. For the next 4 days or so, add 2ppm of FC to your pool each day....that gives your CYA time to dissolve.

    If you mean CH instead of CA, I would hold that off 'til last.
    Dave S. - Forum owner
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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    Re: First time Tf100 test results

    sorry i meant T/A...
    AGP (Wil-Par): 24' round, approx 14,000 gallon, 2 hp- 2 speed cartridge filter, TF100 test kit.

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    Re: First time Tf100 test results

    Run your TA test again and confirm your results. That's abnormally low and it's not uncommon for a testing error when you first get your kit.

    If it is again 20, then get baking soda and bring it up per my earlier post.
    Dave S. - Forum owner
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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    Re: First time Tf100 test results

    Did you forget to multiply the number of drops by 10? for example, is your TA really 200 instead of 20?
    Helpful links: Pool School; CYA/Chlorine Chart
    24' round AG pool, 52" high, Raypak heater; Waterway 2 spd Pump;
    150 Sq ft. Clearwater Cartridge Filter; Former and DISSATISFIED "Pool Frog" owner
    http://www.PerfectlyClearPoolService.com

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    Re: First time Tf100 test results

    ok so i retook the T/a test and it took 3 drops to make it turn from green to red. so thats T/A = 30
    I also took a TC test and it is reading 3ppm as of this afternoon, should i add 2 more ppm tonight as stated above. approx 1/3 bottle of 174oz walmart bleach. correct?
    I put in 2 lbs of stabilzer last night as well, as i have read on here better to half dose then to over dose. I think the calc had me as needing 3.5 lbs for my cya.
    Should i start on the baking soda now?
    Again thats for all the help, i hope one day i can return the favor for some new members
    AGP (Wil-Par): 24' round, approx 14,000 gallon, 2 hp- 2 speed cartridge filter, TF100 test kit.

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    Re: First time Tf100 test results

    Yes, yes and yes!
    Helpful links: Pool School; CYA/Chlorine Chart
    24' round AG pool, 52" high, Raypak heater; Waterway 2 spd Pump;
    150 Sq ft. Clearwater Cartridge Filter; Former and DISSATISFIED "Pool Frog" owner
    http://www.PerfectlyClearPoolService.com

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    Re: First time Tf100 test results

    Yes, now would be a good time to start on the baking soda.

    Assuming you are targeting a CYA level of 40, you want to adjust FC each evening to a level that gives you an FC level of 3 or higher the next evening. If it was 3 in the afternoon, you used slightly too low of a value yesterday. I suggest you add 2/3rds of a jug of 6% bleach tonight and then see how things go tomorrow.
    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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    Re: First time Tf100 test results

    Quote Originally Posted by jerzeyrep01
    Again thats for all the help, i hope one day i can return the favor for some new members
    You are going to find that some of the BEST people in the world hang out here. I'm up the road in Oak Ridge and am on well water... Sometimes that extra calcium adds to the "fun" but the thing is just keep checking and you'll find that it's easy to keep a pool clean and clear !

    Just rember, BBB (=simple) is GOOD!
    Triad Region of NC
    18x37 Vinyl IG (24,000 gal.), BBB & GoldLine AquaLogic PS4 SWG, Hayward 1 HP Superpump / Hayward Sand Filter / Polaris 280 cleaner / 6 deck jets / Sheer Descent Waterfall (in coping) / Brick Red Concrete Coping / Stamped Concrete Deck
    Lots of oak trees, maple trees, *and* leaves!

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    Re: First time Tf100 test results

    Quote Originally Posted by jerzeyrep01
    ok so i retook the T/a test and it took 3 drops to make it turn from green to red.
    And you put in a fourth drop, with no further color change? Sometimes it turns red but it's not quite all the way there. Still, 30 or 40, not such a big difference, you still need to fix it.
    --paulr
    BBB "Intermediate Swimmer"
    IG plaster pool 18.5K gal, Hayward Pro-Grid DE filter, 3/4 HP Hydramax II; Polaris 380, 3/4 HP booster
    AG spa 325 gal, probably Sundance of some kind
    Water testing instructions on one page

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    Re: First time Tf100 test results

    ok so i have added 4lbs of baking soda to now have a reading of 50.
    I have also taken a TC test in the am and one after i got home from work monday and today.
    Mondays reading were 3ppm in the am and 1 ppm in the afternoon
    tuesdays reading was 5 ppm in the am and 2 ppm in the afternoon
    does that sound good? and how much higher do i need t/a at this point? when should i test for cya again i added about 2.5 lbs on sunday.
    AGP (Wil-Par): 24' round, approx 14,000 gallon, 2 hp- 2 speed cartridge filter, TF100 test kit.

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    Re: First time Tf100 test results

    Quote Originally Posted by PaulR
    Quote Originally Posted by jerzeyrep01
    ok so i retook the T/a test and it took 3 drops to make it turn from green to red.
    And you put in a fourth drop, with no further color change? Sometimes it turns red but it's not quite all the way there. Still, 30 or 40, not such a big difference, you still need to fix it.
    --paulr
    this time i took the test the first 3 drops didnt change the 4 drop turn its clear/light gray, then the 5th drop went red/pink.
    AGP (Wil-Par): 24' round, approx 14,000 gallon, 2 hp- 2 speed cartridge filter, TF100 test kit.

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