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Thread: TDS mumbo jumbo @ Leslies

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    TDS mumbo jumbo @ Leslies

    SO I being unsure about my CYA reading decided I'd take my pool water to Leslies Pool and boy let me tell you what. Id rather get my on results via my test kit than rely on them thats for sure but!!!!!! TDS, total dissolved solids they got me scracthing head how do they test for that?
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    Mod Squad kimkats's Avatar
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    Re: TDS mumbo jumbo @ Leslies

    So post YOUR numbers and their numbers. AND tell us what they wanted to sell you to fix your pool.

    I wonder if TDS is really CC. Don't know for sure.

    Kim
    TFP Moderator 33x52 round AG 25,600 gals Sand Filter 1.5hp Pump - 2 Speed, SLAM, Pool School, Recommended Levels, Recommended Chemicals, Pool Math, Chlorine/CYA Chart, TF-100 Test Kit

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    Texas Splash's Avatar
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    Re: TDS mumbo jumbo @ Leslies

    Been there, done that! No one will give you the accurate results you need other than simply doing it yourself with one of TFP's recommended kits. I learned that last year and haven't looked back. If you have any questions, see my signature for links or just ask someone in this thread. Everyone here is happy to assist.
    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
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    JasonLion's Avatar
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    Re: TDS mumbo jumbo @ Leslies

    TDS stands for total dissolved solids. It is measured with an inexpensive electronic tester. The thing is that TDS measurements, even if accurate (which is uncommon) knowing TDS is not useful. TDS covers the total of too many different things, some of which are no problem and some of which are serious trouble. Without knowing which is which, the measurement is useless.
    19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
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    Divin Dave's Avatar
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    Re: TDS mumbo jumbo @ Leslies

    Forget about TDS, if it were important in keeping a sanitary and sparkling troublefree pool, we would be on the watch for it. But it isn't and we don't.

    To properly test your CYA.
    Go outside in natural light
    Turn your back to the sun
    hold the test tube at waist level
    Squirt the test solution into the test tube until the black dot disappears

    Most of us pour the solution from the tube back into the squirt bottle and repeat the test a few times so we can be sure our firts reading wasnt a false one.
    Of Note. Its important that the water be above 70F. If it isnt, then bring the water inside and let it warm up to room temperature, then do the test.

    Thats all there is to it. Trust your test kit and test correctly and it will give you the true CYA value.

    Its pretty much that simple.
    Divin Dave,
    IG Vinyl, 15' x 30', 3 1/2' - 6' deep, Oval, ~15K gal, Intelliclor IC40, Intelliflo VS pump, Clean and Clear 420 Filter, auto-fill-disabled, Retrofit LED Color Light, Dolphin Nautilus Robot, TF100 Test Kit, Taylor K1766 Salt Test Kit, Tftestkit Pressure Gauge.
    www.tftestkits.net Experience- it's what's learned just after you needed it most !!

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    Re: TDS mumbo jumbo @ Leslies

    Quote Originally Posted by Divin Dave View Post
    Forget about TDS, if it were important in keeping a sanitary and sparkling troublefree pool, we would be on the watch for it. But it isn't and we don't.

    To properly test your CYA.
    Go outside in natural light
    Turn your back to the sun
    hold the test tube at waist level
    Squirt the test solution into the test tube until the black dot disappears

    Most of us pour the solution from the tube back into the squirt bottle and repeat the test a few times so we can be sure our firts reading wasnt a false one.
    Of Note. Its important that the water be above 70F. If it isnt, then bring the water inside and let it warm up to room temperature, then do the test.

    Thats all there is to it. Trust your test kit and test correctly and it will give you the true CYA value.

    Its pretty much that simple.
    All that being said I agree the testing we do is the one to go by and now I will say never to the Leslie test as my numbers and hers were very diff, swhe said my TA was 100, and I am getting 40
    she said my ph was 8 and I am getting 7.2, so that being said, and I have been here for years but I never asked this question, so here goes
    MY CYA test has never been very good by me but I do think I am pretty low, however today I added about 4 lbs of dichlor(chlor brite) and have used some trichlor(clorox via wally world) pucks since opening about 2 weeks ago, my cya test just a few mins ago didn't even measure yet, how long does the stablizer from those 2 products take to show up in pool, as I have 4 lbs of cya to still add and figure on doing so tonight
    _________________
    My Pool:
    Foxx Pool Grecian style 19' X 39'
    27k, with a 300# sand filter

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    Divin Dave's Avatar
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    Re: TDS mumbo jumbo @ Leslies

    CYA is very slow to show up on the test. It may take as much as a week to register.
    Divin Dave,
    IG Vinyl, 15' x 30', 3 1/2' - 6' deep, Oval, ~15K gal, Intelliclor IC40, Intelliflo VS pump, Clean and Clear 420 Filter, auto-fill-disabled, Retrofit LED Color Light, Dolphin Nautilus Robot, TF100 Test Kit, Taylor K1766 Salt Test Kit, Tftestkit Pressure Gauge.
    www.tftestkits.net Experience- it's what's learned just after you needed it most !!

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    Mod Squad zea3's Avatar
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    Re: TDS mumbo jumbo @ Leslies

    CYA from the pucks will not register until after all the puck has dissolved, same with the dichlor. Don't add anymore, wait a couple of days and test the CYA again. The amount of CYA per puck is around 6-8ppm so if you only use a couple a week it would take a while to have used enough that they would register on the test, since the lowest testable level other than 0 is 20ppm and there is an error rate of =/- 10ppm.
    TFP Moderator
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    Isaac-1's Avatar
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    Re: TDS mumbo jumbo @ Leslies

    The TDS test was somewhat useful once upon a time when comparing two pools that both used the same municipal water supply, but is pointless today when we have individual tests for CYA, CH and Salt each of which make up part of the TDS .
    Indoor 20x40 35,000 gallon vinyl pool with 1.5 HP 2 speed Jandy FloPro pump, Hayward EC75 Perflex DE filter, 11 4x12 Techno-Solis solar panels w/ Aquasolar controller, Aquabot Turbo T Robot Cleaner. Also LMI metering chlorine dispenser pump and HotSpring Jetsetter
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