Become a TFP Supporter Pool Math Forum Rules Pool School
Results 1 to 7 of 7

Thread: New owner of old pool First Test

  1. Back To Top    #1

    Join Date
    Mar 2008
    Location
    Indiana
    Posts
    28

    New owner of old pool First Test

    Good evening all.

    I finally have my filter replaced (Hayward S180T Sand), Plumbing is not leaking .

    Finished filling the pool with local city water.

    6300 Gallons (12X20Xaverage 4' oval)

    Temp 60'
    FC .5
    CC 1
    TC 1.5
    pH 7.2
    T/A 250
    CH 400 (not sure on this result)
    CYA Probably 0 (nothing has been added at the time of the test)

    Water is somewhat cloudy because it sat 2/3 full for about a week and a half waiting for the filter work to be done.

    I added two cups of 12.5% chlorine and 2 cups of Acid after the tests.

    Used my new TF-100 kit. This is my first time ever testing water so if the results look a little skewed lets call it operator error and tell me to try again.

    Let me know what you think.

    Thanks!
    20x12X4 Oval Fiberglass walls and concrete bottom.
    Pool is in an unconditioned atrium. (being remodeled)
    3/4 HP Hayward Pro Pump. Tankless Water Heater.
    Hayward S180T Sand Filter.

  2. Back To Top    #2
    JasonLion's Avatar
    Join Date
    May 2007
    Location
    Silver Spring, MD
    Posts
    37,887
    It sounds like you are right on track! The acid will lower the PH to around 7.0, and with some aeration and repetition you bring the TA down. FC will go up to about 2.5 from the chlorine, which is appropriate without any CYA and should start to take care of the CC. I would monitor the FC level fairly closely. If you have algae, which is likely, you may need to raise it several times before you beat the algae.
    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

  3. Back To Top    #3
    Butterfly's Avatar
    Join Date
    May 2007
    Location
    South Carolina
    Posts
    10,045
    Congrats! And no plumbing leaks!

    Won't be long now until we get to see the 'finished' pix!
    TFP Moderator TF100 Test Kit TF100 TestKit YouTube Channel PoolMath
    You're done SLAMing when:
    1)You lose 1ppm or less FC overnight, & 2)You have .5ppm CC's or less, & 3)your water is clear.

    ~ One should not use a sledge hammer to swat a mosquito. ~

    If you found TFP helpful and we saved you money ... Become a TFP Supporter!

  4. Back To Top    #4

    Join Date
    Mar 2008
    Location
    Indiana
    Posts
    28
    Thanks for the confirmation guys!

    I will direct the return jet towards the surface to get some aeration.

    Will I need to add more acid do you think?

    At what point should I start adding the CYA?

    I will BBB my way to perfect water!

    Just wait until you see my pretty plumbing job! I will get some pics up real soon.
    20x12X4 Oval Fiberglass walls and concrete bottom.
    Pool is in an unconditioned atrium. (being remodeled)
    3/4 HP Hayward Pro Pump. Tankless Water Heater.
    Hayward S180T Sand Filter.

  5. Back To Top    #5
    JasonLion's Avatar
    Join Date
    May 2007
    Location
    Silver Spring, MD
    Posts
    37,887
    You can go ahead and add CYA right now. Since the pool is more or less indoors you should only add CYA up to 15 to 20.
    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

  6. Back To Top    #6

    Join Date
    Mar 2008
    Location
    Indiana
    Posts
    28
    Thanks Jason. I will add it tonight. The stabalizer I picked up is granular. Should I still put it in a sock in the skimmer? Will I have trouble testing my CYA level since the TF100 starts at 20?
    20x12X4 Oval Fiberglass walls and concrete bottom.
    Pool is in an unconditioned atrium. (being remodeled)
    3/4 HP Hayward Pro Pump. Tankless Water Heater.
    Hayward S180T Sand Filter.

  7. Back To Top    #7

    In the Industry
    duraleigh's Avatar
    Join Date
    Apr 2007
    Location
    Sebring, Florida
    Posts
    28,394
    Will I have trouble testing my CYA level since the TF100 starts at 20?
    A little bit but it's not too troublesome. The important thing is to calculate your dosage as carefully as you can for your size pool. The CYA test is really only accurate for around + or - 10ppm so your accuracy with the dose will be a better indicator than the test. Keep in mind it will not show up on the test for as long as a week after you add it so don't test right away.
    Dave S. - Forum owner
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •