Become a TFP Supporter Pool Math Forum Rules Pool School
Results 1 to 5 of 5

Thread: Help! Numbers from pool dealer don't make sense!

  1. Back To Top    #1

    Join Date
    May 2015
    Location
    Dyer, In
    Posts
    2

    Help! Numbers from pool dealer don't make sense!

    New to the forum just realized how much the pool place has been ripping us off! Testing kit ordered so I don't have to deal with them anymore. So here are the numbers from the first sample I brought to the pool place

    Total Chlorine: 0.7
    Free Chlorine: 0.2
    PH 7.6
    TA 129 (adjusted total alkalinity:86)
    CH 69
    CYA 143

    So I followed the pool places recommendations and added 22.5lbs of baking soda (they said balance pak 100 but I learned my stuff on here), then added 2.25 lbs of Lo N Slo. Then two bags of burn out 35 to bring up chlorine residual. Water was still cloudy so started researching more on here and figured out CYA was too high. So I drained the pool 6 inches (I know I need to do more one of the posts I read to do it in stages. So after the partial drain and refill I took it back in and here are the new numbers:

    Total Chlorine 2.2
    Free Chlorine 0.5
    TA 173 (adj. total alk 128)
    CH 87
    CYA 151

    Why did the CYA go up? Was it the burnout I used before I drained. I know it wasn't going to bring the number all the way down to 50 but why did it go up?

  2. Back To Top    #2
    JasonLion's Avatar
    Join Date
    May 2007
    Location
    Silver Spring, MD
    Posts
    37,879

    Re: Help! Numbers from pool dealer don't make sense!

    Welcome to TFP!

    You should stop depending on pool store advice and pool store testing. CYA should not have increased, which makes me suspect all of the rest of their testing. And the recommendation to raise TA was crazy. Your TA was already too high before you raised it. Which is not to mention that BurnOut 35 is the most expensive possible way to raise the FC level, with no advantages over several other approaches.
    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

    In the Industry

    Donldson's Avatar
    Join Date
    Jun 2009
    Location
    NW Ohio
    Posts
    2,637

    Re: Help! Numbers from pool dealer don't make sense!

    Welcome to TFP!

    If you could post your pool information in your signature. Inground/aboveground, finish, size, some equipment basics, etc. It will help us to provide you with the best advice we can for your particular situation.

    JasonLion is absolutely right on all accounts. BurnOut 35 is lithium hypochlorite, which is expensive and would be better replaced with sodium hypochlorite (that is, liquid chlorine). It definitely would not effect your CYA, so all of those numbers are suspect... Ok, they already were being pool store numbers. Glad you ordered a proper test kit, did you get the TF-100 or K-2006? Either are good, but the TF-100 will last you longer before needing refilled.

    At this point, with questionable test results I wouldn't necessarily do any more water replacement, though it is likely you might need to do it. It would be best to hold off on any big changes until you have a good kit in hand. Do you have any way to measure your pH? That will probably be driven up by your high TA and if you can measure that yourself you can keep that in check now.
    JD - 28' Round Above Ground Pool, 17,000 Gallons. Dual speed Jacuzzi pump with cartridge filter. Dual speed 1 HP pump, Hayward S210T sand filter
    Pool School - PoolMath - HIGHLY Recommended Test Kits

  4. Back To Top    #4
    Mod Squad pooldv's Avatar
    Join Date
    Aug 2012
    Location
    DFW, TX
    Posts
    23,999

    Re: Help! Numbers from pool dealer don't make sense!

    Welcome to TFP!

    Get one of the Recommended Test Kits, I use the TF100 from tftestkits.net.

    Here are some of my fave Pool School articles in case you missed any of them.
    TFPC for Beginners
    ABC's of Pool Water Chemistry

    Here are the Recommended Levels for your pool.
    Here is the Water Balance for a saltwater pool.
    Here are the Recommended Pool Chemicals and how to add them.
    Use PoolMath to figure out how much to add.
    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

  5. Back To Top    #5

    Join Date
    May 2015
    Location
    Dyer, In
    Posts
    2

    Re: Help! Numbers from pool dealer don't make sense!

    Sorry thought I saved the signiture but apparently I didnt.

    - - - Updated - - -

    Ordered K-2006 test kit
    22,000 IG vinyl liner Pentair Clean & ClearPlus Cartridge filter, 1HP Century Centurion Pump; Bought home with pool lived here 2 years.

Posting Permissions

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