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Thread: First numbers

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    First numbers

    I close on a bank owned home Wednesday. The pool had a new liner installed last Tuesday and the pool was filled Tuesday/Wednesday. The pool company has put minimal chemicals in knowing I was taking over my own pool care. They put a puck in the skimmer and that is now gone. I don't know what else they have put in. The bank had them cover the pool on Friday with the mesh loop and lock cover. The pump is running 24/7.

    I went this morning and pulled the cover back and grabbed a sample from the deep end. There is no thermometer in the pool yet but it has been in the mid 90's and the temps are falling into the 70's after today.

    Here are the results...

    with the drop kit
    PH 7.3
    CL 2.4

    With my TF 100

    FC .2
    CC .25
    CH 125
    The alkalinity test never turned I quit after 36 drops.
    CYA less than 20 I filled the entire tube and could still faintly see the dot.

    Feeling a little lost here. My kids are away and coming home from camp on Monday and I am worried I am going to have a green swamp. I can't add anything to the pool until Wednesday.
    16x32 IG rectangular 21,800k new vinyl liner 2014, Triton II TR 50 sand Filter, Pentair 3/4 hsp whisperflow pump, 3 returns, TF100 test kit w/speedstir. Maytronics s 300i robot.

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    Richard320's Avatar
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    Re: First numbers

    Who's going to know if you sneak in and drop a couple more trichlor pucks into the skimmer?
    16K freeform gunite with spa; Pentair 4000 DE filter; Century Whisperflow 1 HP; Pentair Minimax heater.
    Troublefree does not mean Maintenancefree. It's like brushing your teeth: You can spend a couple minutes a day and pennies a week or go to the dentist once a year and spend several thousand dollars.
    A pool is like a pet - you have to feed it every day, even the days you don't want to play with it!

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    Re: First numbers

    As long as you can maintain adequate FC, you will not get a swamp. You've already got a great test kit and as much help as you need (here).

    I would raise the FC CYA to 30-40, and keep the FC in the 4-5 range if you can
    Last edited by jblizzle; 07-28-2014 at 01:06 PM. Reason: FC -> CYA

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    Mod Squad jblizzle's Avatar
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    Re: First numbers

    Can you explain how you did the FAS-DPD chlorine test in the TF-100? Those numbers do not make sense and I think you may have multiplied wrong.

    What color was the TA test? Can you test the tap water?
    Not surprising that the CYA is likely nearly 0 if the only thing added was 1 tablet.

    If you can't add anything, then there is not much you can do besides start gathering chemicals. You are going to need CYA and bleach.
    Jason, TFP Moderator
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    Re: First numbers

    Quote Originally Posted by Richard320 View Post
    Who's going to know if you sneak in and drop a couple more trichlor pucks into the skimmer?
    I thought that putting tablets into a skimmer is a no no. I thought that their low pH could damage pool equipment. Have I been misguided; you're more experienced than me?
    Bobby (my pool)
    18,000 gallon in ground/white plaster
    Flotec pump/Aquatech MYB100 single cartridge filter - runs 6 hours/day in evening during summer

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    Re: First numbers

    Ok will do this afternoon. Thnx
    16x32 IG rectangular 21,800k new vinyl liner 2014, Triton II TR 50 sand Filter, Pentair 3/4 hsp whisperflow pump, 3 returns, TF100 test kit w/speedstir. Maytronics s 300i robot.

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    Richard320's Avatar
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    Re: First numbers

    Quote Originally Posted by ThinkPad View Post
    I thought that putting tablets into a skimmer is a no no. I thought that their low pH could damage pool equipment. Have I been misguided; you're more experienced than me?
    The pump is running 24/7, it says in the first post. The acid will be diluted and carried away, unlike setting a puck in the skimmer to dissolve with no flow for hours and hours.
    16K freeform gunite with spa; Pentair 4000 DE filter; Century Whisperflow 1 HP; Pentair Minimax heater.
    Troublefree does not mean Maintenancefree. It's like brushing your teeth: You can spend a couple minutes a day and pennies a week or go to the dentist once a year and spend several thousand dollars.
    A pool is like a pet - you have to feed it every day, even the days you don't want to play with it!

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    Re: First numbers

    First I did the test in the little blue box.

    Then I started in with the TF 100. I followed each step carefully it took me over a half an hour lol. I followed the directions on the card and reread them a couple of times before doing each test. That doesn't mean there isn't user error.


    The TA test never changed it stayed clear. I will grab a water sample from the outside faucet when I go over there this afternoon.

    I have an inline chlorination thingy I will throw the pucks in there.
    16x32 IG rectangular 21,800k new vinyl liner 2014, Triton II TR 50 sand Filter, Pentair 3/4 hsp whisperflow pump, 3 returns, TF100 test kit w/speedstir. Maytronics s 300i robot.

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    Mod Squad jblizzle's Avatar
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    Re: First numbers

    A CC of 0.25 is not possible as each drop is either 0.2ppm (if you use 25ml of water) or 0.5ppm (if you use 10ml of water, which is recommended). So that makes me wonder if you multiplied wrong.

    Also I am not sure how you came up with a TC of 2.4 from the yellow OTO test ... unless you are remarkably better at distinguishing shades of yellow than the rest of us
    Jason, TFP Moderator
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    500 sqft Heliocol solar panels, ThePoolCleaner, TF-100 test kit w/ SpeedStir
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    ThinkPad's Avatar
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    Re: First numbers

    Oh, I see. So if the tablet is dissolving while the pump is off, then the pump starts sucking it in all at once, that is bad. My misunderstanding.
    Bobby (my pool)
    18,000 gallon in ground/white plaster
    Flotec pump/Aquatech MYB100 single cartridge filter - runs 6 hours/day in evening during summer

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    Re: First numbers

    I will grab another sample of pool water and test again. User error is not out of the realm of possibilities. This whole testing thing makes me nervous. I took my glasses off and on several times during this process lol.
    16x32 IG rectangular 21,800k new vinyl liner 2014, Triton II TR 50 sand Filter, Pentair 3/4 hsp whisperflow pump, 3 returns, TF100 test kit w/speedstir. Maytronics s 300i robot.

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    Re: First numbers

    Grabbed another water sample from pool and one from outdoor faucet. I threw some pucks in chlorinatior and one in skimmer basket
    16x32 IG rectangular 21,800k new vinyl liner 2014, Triton II TR 50 sand Filter, Pentair 3/4 hsp whisperflow pump, 3 returns, TF100 test kit w/speedstir. Maytronics s 300i robot.

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    Mod Squad jblizzle's Avatar
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    Re: First numbers

    Track how many tablets you are adding so that you can estimate the CYA rise from them.

    How long are you waiting to test? The chlorine and pH test should be done fairly quickly after getting the sample or the results may change.
    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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  14. Back To Top    #14

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    Re: First numbers

    I put three pucks in. Two in the chlorination thing and one in the skimmer. If I need to I can pull the remains out after closing on Wednesday.

    It took about 45 minutes from sample to test. I had to drive back to my hotel.

    Re-tested and felt much more comfortable this time.

    Tap Water:

    PH 7.5
    CL 0
    BR 0

    TF 100 results

    CL 0
    FC .25
    CC 0
    TA 100

    Pool Sample

    PH 7.2
    CL between 2-3
    BR 0

    TF 100 results
    FC 4
    CC .25
    TA 80
    Calcium 75

    Do these look more normal?
    16x32 IG rectangular 21,800k new vinyl liner 2014, Triton II TR 50 sand Filter, Pentair 3/4 hsp whisperflow pump, 3 returns, TF100 test kit w/speedstir. Maytronics s 300i robot.

  15. Back To Top    #15
    Mod Squad jblizzle's Avatar
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    Re: First numbers

    How are you getting 0.25?

    How much water are you using for the FAS-DPD test and how many drops did you add?
    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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  16. Back To Top    #16

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    Re: First numbers

    I followed the directions exactly.

    It was barely pink then I moved on to the next step.
    16x32 IG rectangular 21,800k new vinyl liner 2014, Triton II TR 50 sand Filter, Pentair 3/4 hsp whisperflow pump, 3 returns, TF100 test kit w/speedstir. Maytronics s 300i robot.

  17. Back To Top    #17
    Mod Squad jblizzle's Avatar
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    Re: First numbers

    Please answer the questions. How much water? How many drops?

    If the water did not turn clear, then you did not add enough drops and are not following the directions.
    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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  18. Back To Top    #18

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    Re: First numbers

    Okay I will get another sample tomorrow and record the steps exactly. I honestly can't remember the drops I used how much water the test called for. I will make sure I get the exact info needed. Thnx for all your help.

    Getting these samples isn't easy. The yard is locked and I have to climb the fence I feel like a criminal. Then wrestling off the cover enough to get a sample is not easy.
    16x32 IG rectangular 21,800k new vinyl liner 2014, Triton II TR 50 sand Filter, Pentair 3/4 hsp whisperflow pump, 3 returns, TF100 test kit w/speedstir. Maytronics s 300i robot.

  19. Back To Top    #19
    Mod Squad jblizzle's Avatar
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    Re: First numbers

    All the tests are done until the last drop causes no further color change, and that drop is not counted.

    With FC and CC numbers like 0.25 ... I can not figure out if you are dividing the number of drops by 4 instead of 2 or 5 or what is going on. I just want to be sure you are doing things correctly.
    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
    Pool School + Test Kit + PoolMath = A TROUBLE FREE POOL
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  20. Back To Top    #20

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    Re: First numbers

    Things have been crazy and I never got another round of tests. I have had pool guy treat pool this week so I didn't have to deal with it.

    I just ran numbers...

    Pool temp 78
    PH 7.2
    CL 3
    BR 6

    TF-100 numbers

    CL 2.5
    CC 0
    CH 75
    TA 40
    CYA 20

    Do these look more normal?
    16x32 IG rectangular 21,800k new vinyl liner 2014, Triton II TR 50 sand Filter, Pentair 3/4 hsp whisperflow pump, 3 returns, TF100 test kit w/speedstir. Maytronics s 300i robot.

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