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Thread: Test kit arrived, initial thorough cleaning and stock up

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    Test kit arrived, initial thorough cleaning and stock up

    Hey y'all, I've been reading and trying to get a grasp of things. The TF-100 kit came in Saturday. I've never tested before, just threw two jugs of chlorine in during the middle of winter and a few tablets in the chlorinator, several months back. I need to scrub, vacume and clean the cartridge today. I have read that I need to let the cleaned cartridge run for about an hour before testing. In the mean time is there a good rule of thumb as to the amount of bleach and such to have on hand prior to testing? There are two jugs of chlorine left over from the past owner, about half a jug of muratic acid and half a container of tablets. Just trying to figure out a quantity to have on hand and I guess a good starting point. I'll post my test results as soon as they are accomplished this evening. Thanks for any help or assitance that can be lended. Awesome site by the way!
    10K gal, IG concrete/marsite, cartridge, 1HP flowtec single speed pump, 2002.....no SWG or Heater

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    Mod Squad jblizzle's Avatar
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    Re: Test kit arrived, initial thorough cleaning and stock up

    If you have algae, then you will need to SLAM the pool and that is going to require a lot of bleach. How much depends on what your CYA level is and hour much algae you have.

    You just need the water to circulate for an hour or so before testing, has nothing to do with the cartridge.

    Note that the old bleach will have lost some of its strength.
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    Patrick_B's Avatar
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    Re: Test kit arrived, initial thorough cleaning and stock up

    Welcome bigfoot. The testing is really easy once you do it a little. Much easier than you are likely thinking. Post up some numbers when you get some and we'll see what's happening.
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    Re: Test kit arrived, initial thorough cleaning and stock up

    Okay, tried it out today and here are the results.....

    FC=9
    CC=no chloramines
    CH= I was kind of confused on this one. At about 14 drops the bottom of the solution started turning blue which would equate to 350 I kept going until the whole solution was blue which came out to 1075 :/
    TA=160
    CYA=100

    If y'all need anything else please let me know. The pool is clear looking. I'll have to take a picture and post it.
    10K gal, IG concrete/marsite, cartridge, 1HP flowtec single speed pump, 2002.....no SWG or Heater

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    Mod Squad jblizzle's Avatar
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    Re: Test kit arrived, initial thorough cleaning and stock up

    Were you swirling all the tests continuously? I have never seen the CH test "separate" like that. The SpeedStir makes all these tests much easier.

    Well, your CYA is at least double the recommended levels. So, first step would be to replace half of your water.
    Jason, TFP Moderator
    18k IG pebblesheen pool, Hayward ProLogic P4 w/ T-15 SWG, Pentair 1HP 2-speed Superflo, Hayward 6020 DE filter
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    pwrstrk's Avatar
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    Test kit arrived, initial thorough cleaning and stock up

    Bigfoot how are you chlorinating your pool ? As stated your CYA level is too high. For a non SWG pool you want your CYA level to be 30-50 ppm. Also what is your PH ? 😎
    Jeff
    24'x54" AG Morada RTR (by wilbar) 13'500 gal. Hayward Powerflo Matrix 1hp 2 speed. Hayward Perflex EC65 DE filter.

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    Re: Test kit arrived, initial thorough cleaning and stock up

    In the CH test is just stated to count drops until it turns blue. I didn't swirl that one. Guess I'm suppose to swirl everything test wise.

    There is a chlorinator coming off the filter housing that has like 4 tablets in it. A jug of chlorine was added about a week ago cause algae was starting to grow and accumulate on the sides. I scrubbed the sides, and vacuumed the pool then cleaned the filter and added the jug on recommendations from work. :/ guess I screwed that one up. The chlorinator thing is set on 2 of 10 settings 10 being the highest.

    PH looked to be within the range of 7.2-7.8
    Last edited by bigfoot04; 03-31-2014 at 06:11 PM. Reason: Added additional info
    10K gal, IG concrete/marsite, cartridge, 1HP flowtec single speed pump, 2002.....no SWG or Heater

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    Mod Squad jblizzle's Avatar
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    Re: Test kit arrived, initial thorough cleaning and stock up

    All those tablets are why your CYA is so high. You need to stop using the trichlor tablets, switch to liquid chlorine, replace at least half the water, and then follow the SLAM Process to eradicate the algae that is still in the pool. The you need to maintain adequate FC levels which is a function of your CYA level, see the FC/CYA Chart.

    How much of Pool School have you read? Start with these:
    ABCs of Water Chemistry
    Recommended Pool Chemicals
    How to Chlorinate Your Pool
    Jason, TFP Moderator
    18k IG pebblesheen pool, Hayward ProLogic P4 w/ T-15 SWG, Pentair 1HP 2-speed Superflo, Hayward 6020 DE filter
    500 sqft Heliocol solar panels, ThePoolCleaner, TF-100 test kit w/ SpeedStir
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    Administrator Leebo's Avatar
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    Re: Test kit arrived, initial thorough cleaning and stock up

    Take a look at the CH Test on TFTestkits YouTube Channel. It will give you more of an idea on this test. This test is one of the hardest to get correct at first, right behind the CYA test......but after a few tries you'll start to get the hang of things rather quickly. Regardless, I agree with the other two, your first step should be replacing enough water to lower your CYA level to around 40. Then switch to liquid chlorine from here on out.

    Welcome to the site!

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    Re: Test kit arrived, initial thorough cleaning and stock up

    Okay, thanks for the input y'all. Will watch the video, remove the tablets, water and do a lot more reading. :/
    10K gal, IG concrete/marsite, cartridge, 1HP flowtec single speed pump, 2002.....no SWG or Heater

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