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Thread: refresher's First Results TFT-100

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    Question refresher's First Results TFT-100

    Hi all,
    Still totally new to pool ownership and TFP, got the test kit today, excited to do the first water tests.
    I will show what the pool store's "free" water test results from 7/31 alongside my results (average 2 trials for each of my tests).

    Test Target Store 7/31 House 8/2
    FC 3-5 6 12.5
    TC 6 13.0
    CH 350-450 280 525
    CYA 70-80 90 test fail
    TA 60-80 90 120
    pH 7.5-7.8 8.0 7.8
    Salt 3400-3600 2900 test fail

    Observation 1. I have been adding 12 oz MA every other day, finally got the pH to drop below 8.
    Observation 2. Water temp is 92. Pool Math says just to keep adding MA, no other actions indicated.
    Observation 3. I will probably add about 3-4 inches of new water tomorrow due to evaporation.

    Question 1. The TC seems really high. My SWG is set at 40%, do I need to reduce that? We are getting day after day of sunny 100 degrees, the FC should burn off, right? Do I wait or take action?

    Question 2. Am I doing the salt test wrong? I added 80 lbs of salt after the 2900 reading on Sunday, dissolved in an hour, trying to get it up to manufacturer recommended level, closer to 3500. When I did the test, it said to only start with 10ml of water in the tube, when adding all the drops, it gets up to 15ml and foamy, but it never changes color to pink/red. There is some silt in the bottom, but no real color change. Tried it twice, same result.

    Thanks in advance for any and all input!
    SWG - 15,000 Gal - IG pool/spa - plaster/pebble
    Pentair CCP520 DE Filter + Pentair Intelliflow Variable Speed Pump
    Pentair IntelliChlor IC40 SWG - Built 2012

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    Mod Squad pooldv's Avatar
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    Re: refresher's First Results TFT-100

    No need to add salt unless the cell gives you a low salt error.
    Yes, turn down the SWG percentage or run time. Just make sure FC stays above minimum for your CYA at all times to keep the pool sanitary and algae free. FC/CYA Chart
    The PH test is not valid when FC is above 10 ppm. Get FC down to 10 and retest PH.
    It is important to maintain PH between 7.2 and 7.8. With high-ish TA and the SWG your PH will rise. Adding acid to lower PH will slowly lower TA over time. PH should stabilize when TA gets down to 60 or 50.

    Your Dallas water has a high tendency to scale. Manage you CSI between -0.3 and 0 to prevent scale. PoolMath will calculate it for you. Tweak PH and TA to lower it. Managing CSI will add a decade to your plaster and make your SWG last longer. I am on season 5 with my IC40 and have never had to clean it.
    More here, Pool School - Calcium Scaling
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    2012 build and pics, 20k gal gunite, black onyx pebblesheen, OK flagstone, IntellifoVS, cart filter w/Pleatco, IC40 SWG, Solartouch, 5 12'x4' solar panels, HP50HA heat pump, 8mil solar cover, borates, TF-100 test kit, SONOS, Doheny's Discovery Robot, hot tub on bleach

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    Smile Re: refresher's First Results TFT-100

    Posting an update. Adjustments I've made since 8/2:

    • Reduced Salt Generator Pct from 40% to 20% last night.
    • Added 16 oz MA this morning.

    Here are this evening's test results, with CSI appended to the table:

    Test Target Store 7/31 House 8/2 House 8/4
    FC 3-5 6 12.5 10.5
    TC 6 13.0 11.0
    CH 350-450 280 525 475
    CYA 70-80 90 test fail 80
    TA 60-80 90 120 110
    pH 7.5-7.8 8.0 7.8 7.5
    Salt 3400-3600 2900 test fail 4200
    CSI -0.30 to 0.00 0.22 0.47 0.06


    Very pleased so far with the testing, the results, the direction, and the help from people at TFP!

    Will continue to add 12-16 oz MA every other day (per Pool Math) to reduce FC and TA.

    Any other actions to take?
    SWG - 15,000 Gal - IG pool/spa - plaster/pebble
    Pentair CCP520 DE Filter + Pentair Intelliflow Variable Speed Pump
    Pentair IntelliChlor IC40 SWG - Built 2012

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    Re: refresher's First Results TFT-100

    you prob want your CSI down a little more due to high CH and plaster pool to avoid scale.
    44k plaster pool, Pentair 011018 pump, DE6020 filter, LED lights, K2006 test kit

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    Mod Squad pooldv's Avatar
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    Re: refresher's First Results TFT-100

    +0.06 is ok for now. I like it below 0. But, with TA high that is tougher to do. Keep adding acid to lower TA and once it gets down toward 80 that will be easier.
    TFP Moderator
    If TFP helped you or saved you money - Become a TFP Supporter! <--Click here
    2012 build and pics, 20k gal gunite, black onyx pebblesheen, OK flagstone, IntellifoVS, cart filter w/Pleatco, IC40 SWG, Solartouch, 5 12'x4' solar panels, HP50HA heat pump, 8mil solar cover, borates, TF-100 test kit, SONOS, Doheny's Discovery Robot, hot tub on bleach

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    Re: refresher's First Results TFT-100

    Updated Testing Results. First time using the Speed Stir. It seems to have affected the CH test result. Perhaps the 475-550 results were too high with manual stirring?

    Test
    Target
    Store 7/31 House 8/2 House 8/4 House 8/8 House 8/12
    FC
    3-5@70 CYA; 4-6@80 CYA
    6 12.5 10.5 8.0 5.5
    TC
    6 13.0 11.0 8.0 5.5
    CH
    350-450
    280 525
    475
    550
    450
    CYA
    70-80
    90 80 80 70
    TA
    60-80
    90 120 110 120 80
    pH
    7.5-7.8
    8.0 7.8 7.5 7.5 7.5
    Salt
    3400-3600
    2900 4200 4200 4200
    CSI
    -0.30 to 0.00
    0.22 0.47 0.06 0.11 -0.19

    I have been adding 16oz MA every other day to bring down the TA. Had to aerate 12 hrs/day the past 2 days to keep the pH from dropping below 7.2, now trending back to 7.5.

    Tomorrow I brush, skim, and add 2 caps of Perfect Weekly. The water is getting closer and closer to the range I'd like to maintain. Pretty sure that FC will come down to 4 in the next week or so, and I may have to bump the Salt Generation from 20% back up to maybe 30% and see how FC levels out.

    Anyone have any further input?
    SWG - 15,000 Gal - IG pool/spa - plaster/pebble
    Pentair CCP520 DE Filter + Pentair Intelliflow Variable Speed Pump
    Pentair IntelliChlor IC40 SWG - Built 2012

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    Re: refresher's First Results TFT-100

    Quote Originally Posted by refresher View Post
    .... and add 2 caps of Perfect Weekly. T...
    what do you want to do that for? I mean I never had a need to use the product over my entire pool care career (which is 1.5 years ).
    44k plaster pool, Pentair 011018 pump, DE6020 filter, LED lights, K2006 test kit

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    Re: refresher's First Results TFT-100

    What's perfect weekly?
    Intex ultraframe 22" round 52 inches
    Intex 3000 gph sand filter 3/4hp pump
    Taylor test kit atm( upgrading to tft100)

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    Re: refresher's First Results TFT-100

    Quote Originally Posted by Conjomen View Post
    What's perfect weekly?
    A way to spend unnecessary money. Don't use it, there is no need for phosphate removes as phosphates don't do anything bad to pool water.
    16 x 32 17500 gallons
    Vinyl in-ground
    Hayward 250# Sand Filter
    1 HP Pump
    Hayward SWG

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    Re: refresher's First Results TFT-100

    Also, don't let your FC drop too low for your CYA level. 4ppm would be minimum if your CYA is 80. The target would be 6ppm.

    - - - Updated - - -

    Check this link. Someone posted it earlier in the thread too
    http://www.troublefreepool.com/conte...rt-slam-shock/
    24' Morada AG 13500 gal. Waterway 22" Sand Filter with Waterway 1HP pump
    Taylor K2006 with Speedstir Maytronics Dolphin Escape Robot

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    Re: refresher's First Results TFT-100

    Thanks for the feedback on Perfect Weekly. The previous owner was very obsessive, and he used it regularly and he left me with his remaining amount. Good to know to NOT replenish.
    SWG - 15,000 Gal - IG pool/spa - plaster/pebble
    Pentair CCP520 DE Filter + Pentair Intelliflow Variable Speed Pump
    Pentair IntelliChlor IC40 SWG - Built 2012

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    Re: refresher's First Results TFT-100

    Quote Originally Posted by Griswald View Post
    A way to spend unnecessary money. Don't use it, there is no need for phosphate removes as phosphates don't do anything bad to pool water.
    Thanks. I was thinking does he have some secret trick? Lol like a potion i haven't discovered for "perfect weekly " water...it's probably expensive right? No judgment but why would you add extra chemicals to your water? If you get perfectly clear h2o from just bleach? Well that and keeping the few others in the correct parameters? I've tried several ways to phrase those questions and they all come out sounding harsh... I don't mean to be I'm genuinely curious, in about 20 years of pool ownership I've always just used bleach, dry acid and baking soda. Occasionally a box of borax because I didn't have baking soda on hand.Really just curious as to why you add extra stuff. Well other than the pool store told me to...

    Lol I see you answered my question
    Last edited by Conjomen; 08-13-2016 at 07:17 PM. Reason: Reread earlier post
    Intex ultraframe 22" round 52 inches
    Intex 3000 gph sand filter 3/4hp pump
    Taylor test kit atm( upgrading to tft100)

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