Become a TFP Supporter Pool Math Forum Rules Pool School
Results 1 to 17 of 17

Thread: New Intex 18x52 pool.

  1. Back To Top    #1

    Join Date
    May 2010
    Location
    North Augusta SC
    Posts
    18

    New Intex 18x52 pool.

    Need help to balance water.
    Water is getting green and fuzzy.
    First day added 175 lb Morton salt from Walmart, 1.5 lb Cyanuric Acid.
    and shocked/Boost 2 times with a Intex SWG.
    I run the pump and filter 6-7 hours and the SWG 5 hours daily overnight. I wash the filter every 2nd day it cloges up with a brownish paste or powder and bugs.Vacuum the pool floor every day. Sediments show up next day even if the pool is not used.I am thinking to use a skimmer sock it may help to filtrate the small particles.
    Two weeks old pool test Results:

    pH -7.2
    TA - 15
    FC - .7
    TC - .8
    CH - 28
    CYA - 14

    Pool store test results are scarry.

    They recommended 6 cups Baking Soda and 1.5 lb Cyanuric Acid.
    I added 3 Quarts of Bleach 6% also.
    Please advise.
    lk
    1.Pool size 6950 gallons 18 X 52
    2.Filter Cartrige type B Intex
    3.Pool AG Intex Ultra Frame
    4.Pool liner Vinyl
    5.Filter Pump Krystal Clear Model 633T 2500 gallons/h + SWG Model CS8110

  2. Back To Top    #2

    Join Date
    Jan 2009
    Location
    Cupertino, CA
    Posts
    1,966

    Re: New Intex 18x52 pool.

    Welcome to TFP! We'll try to get your pool tuned up.

    Do you have your own test kit, or are you relying just on the pool store? At the very least you need to be able to test your own pH and chlorine.

    The pool store's advice so far is fine, raising your TA and CYA up to reasonable levels. But you also need to keep a a reasonable FC (free chlorine) level. So far your SWG isn't able to keep up, mainly because the CYA is too low. The additional 1.5 lb should help with that. Note that it can take as long as a week for CYA to dissolve completely, so don't start panicking if you get the water tested again sooner than that.

    Let us know what you've done, and we should be able to help you out.
    --paulr
    BBB "Intermediate Swimmer"
    IG plaster pool 18.5K gal, Hayward Pro-Grid DE filter, 3/4 HP Hydramax II; Polaris 380, 3/4 HP booster
    AG spa 325 gal, probably Sundance of some kind
    Water testing instructions on one page

  3. Back To Top    #3

    Join Date
    May 2010
    Location
    North Augusta SC
    Posts
    18

    Re: New Intex 18x52 pool.

    Quote Originally Posted by lk
    Need help to balance water.
    Water is getting green and fuzzy.
    First day added 175 lb Morton salt from Walmart, 1.5 lb Cyanuric Acid.
    and shocked/Boost 2 times with a Intex SWG.
    I run the pump and filter 6-7 hours and the SWG 5 hours daily overnight. I wash the filter every 2nd day it cloges up with a brownish paste or powder and bugs.Vacuum the pool floor every day. Sediments show up next day even if the pool is not used.I am thinking to use a skimmer sock it may help to filtrate the small particles.
    Two weeks old pool test Results:

    pH -7.2
    TA - 15
    FC - .7
    TC - .8
    CH - 28
    CYA - 14

    Pool store test results are scarry.

    They recommended 6 cups Baking Soda and 1.5 lb Cyanuric Acid.
    I added 3 Quarts of Bleach 6% also.
    Please advise.
    Thanks so much for responding.
    My results differ from the store ones.
    I'm testing with the Intex strip test and Aqua Chem liquid OTO and Phenol Red.

    Strip test results before and after shock are almost the same.

    pH -7.6
    TA - 120
    FC – 5.
    TC – don't have
    CH - don't have
    CYA - don't have
    COPPER - 0

    Aqua Chem test results are:

    pH -7.2 after 10 seconds
    -8.2 after 3 minutes
    TA - don't have
    FC – 5.
    TC – don't have
    CH - don't have
    CYA - don't have

    Water is greenish brown but clear.
    I should run the pump/filter and SWG continuously until the water is clear and CYA dissolves perhaps
    1 week or daily 6-7 hours? Used an old sock for the CYA granules and worked with my hands until dissolved in the pool water , brushed and vacuumed the pool after for more dispersion .
    I should consider a skimmer sock not recommended by the store?

    Thank you very much.
    lk
    1.Pool size 6950 gallons 18 X 52
    2.Filter Cartrige type B Intex
    3.Pool AG Intex Ultra Frame
    4.Pool liner Vinyl
    5.Filter Pump Krystal Clear Model 633T 2500 gallons/h + SWG Model CS8110

  4. Back To Top    #4

    Join Date
    May 2010
    Location
    North Augusta SC
    Posts
    18

    Re: New Intex 18x52 pool.

    [attachment=2:13uvg7kw]P5220310 b.jpg[/attachment:13uvg7kw]

    Here are few picks. In reality it looks lot worse.
    Attached Images Attached Images
    lk
    1.Pool size 6950 gallons 18 X 52
    2.Filter Cartrige type B Intex
    3.Pool AG Intex Ultra Frame
    4.Pool liner Vinyl
    5.Filter Pump Krystal Clear Model 633T 2500 gallons/h + SWG Model CS8110

  5. Back To Top    #5

    Join Date
    May 2010
    Location
    North Augusta SC
    Posts
    18

    Re: New Intex 18x52 pool.

    [attachment=2:2prw2miu]P5220313 b.jpg[/attachment:2prw2miu][attachment=0:2prw2miu]P5220318 b.jpg[/attachment:2prw2miu]

    3 more picks
    Attached Images Attached Images
    lk
    1.Pool size 6950 gallons 18 X 52
    2.Filter Cartrige type B Intex
    3.Pool AG Intex Ultra Frame
    4.Pool liner Vinyl
    5.Filter Pump Krystal Clear Model 633T 2500 gallons/h + SWG Model CS8110

  6. Back To Top    #6

    Join Date
    May 2010
    Location
    North Augusta SC
    Posts
    18

    Re: New Intex 18x52 pool.

    I suspect cooper staining also.
    The Intex SWG CS8110 Model 2010 has a Copper electrode beside
    chlorine cells, Intel claims Copper ions is an algaecide.
    Forum members have mentioned to eliminate this electrode for the above reason.
    Is this a good idea?
    The sock I used yesterday to dissolve Cyan uric Acid got brownish stains overnight and
    can't wash it out.
    Just disappointed.
    Cooper strip test = 0
    lk
    1.Pool size 6950 gallons 18 X 52
    2.Filter Cartrige type B Intex
    3.Pool AG Intex Ultra Frame
    4.Pool liner Vinyl
    5.Filter Pump Krystal Clear Model 633T 2500 gallons/h + SWG Model CS8110

  7. Back To Top    #7

    Join Date
    May 2010
    Location
    North Augusta SC
    Posts
    18

    Re: New Intex 18x52 pool.

    Hello!
    Used a pantyhose (not a dedicated skimmer basket sock I know) over the skimmer basket overnight and just changed it earlier . Here is what I washed out of it.
    Is this rust , copper stain ,algae or what?

    I thank you guys for any response.[attachment=1:12gvjb86]P5230320 b.jpg[/attachment:12gvjb86]
    Attached Images Attached Images
    lk
    1.Pool size 6950 gallons 18 X 52
    2.Filter Cartrige type B Intex
    3.Pool AG Intex Ultra Frame
    4.Pool liner Vinyl
    5.Filter Pump Krystal Clear Model 633T 2500 gallons/h + SWG Model CS8110

  8. Back To Top    #8
    JasonLion's Avatar
    Join Date
    May 2007
    Location
    Silver Spring, MD
    Posts
    37,887

    Re: New Intex 18x52 pool.

    Copper wouldn't be that color, neither would algae. Most likely the color comes from pollen.
    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

  9. Back To Top    #9
    Ohm_Boy's Avatar
    Join Date
    May 2007
    Location
    Orlando, FL
    Posts
    1,344

    Re: New Intex 18x52 pool.

    Makes me wonder what was in that Morton salt...
    Since it filters out, anyone think that a little floc might help?
    [center:1kpalu48]Helpful Links: Pool School | CYA/Chlorine Chart | Pool Calculator[/center:1kpalu48]

  10. Back To Top    #10
    JasonLion's Avatar
    Join Date
    May 2007
    Location
    Silver Spring, MD
    Posts
    37,887

    Re: New Intex 18x52 pool.

    No, floc works best on particles that make the water cloudy, but this water isn't cloudy.

    I am concerned because the test results are all over the place and I have no idea which one to believe. You will save yourself a lot of trouble in the long run if you get your own top quality test kit. I recommend the TF-100 from TFTestKits.Net. The Taylor K-2006 is also good. Reliable results will save you a great deal in avoiding problems and not adding chemicals which aren't needed.

    I can't really see the coloring in the photos, the water just looks clear. Plus digital photo colors can be very different on different displays.

    If the water is tinted yellow/brown you could have iron in the water. Copper would tint the water bright emerald green. Pollen can also tint the water, but that generally goes away if you maintain proper FC levels.

    If it is iron, adding a startup dose of sequestrant will clear things up.
    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

  11. Back To Top    #11

    Join Date
    May 2010
    Location
    North Augusta SC
    Posts
    18

    Re: New Intex 18x52 pool.

    Thank you PaulR,JasonLion,Ohm_Boy
    Pool store
    Iron test results = 0
    Total dissolved solids =0
    Saturation index =-2.06 normal is -.3 to .3 ppm and they say is corrosive.
    Calcium hardness is very low 28 .In a vinyl pool I understand dosenmatter.

    I'm posting a new picture with the water sedimenting down.
    This water is from the skimmer sock (pantyhose) squised out after replacing it.I have the same stuff in the filter and filter housing.The same sediment is on bottom of the pool after not using it for few ours.

    JasonLion I think you are right.It may be pollen and the low clorine level not inagh to dissolve it. I have lots of pine trees around the pool.The same time my neighbors pool around me are pristine crystal clear.
    I will invest in a TF-100 test kit soon.
    I should circulate the water trough the skimmer (which I am doing it)or strainer grid? The more dirthiest water is 3 inches from the top somebody mentioned in the forum isn't?
    Attached Images Attached Images
    lk
    1.Pool size 6950 gallons 18 X 52
    2.Filter Cartrige type B Intex
    3.Pool AG Intex Ultra Frame
    4.Pool liner Vinyl
    5.Filter Pump Krystal Clear Model 633T 2500 gallons/h + SWG Model CS8110

  12. Back To Top    #12

    Join Date
    Apr 2010
    Location
    Central Kentucky
    Posts
    43

    Re: New Intex 18x52 pool.

    I also have an intek pool. The best things I've done for the pool is 1.) Bought a hayward sand filter with a 60gpm pump. 2.) join this forum as a lifetime supporter because this method works. 3.) purchased a TF-50 test kit, which I will upgrade to a TF-100 soon.
    Keep after it. I look forward to clear water pictures.
    Intek 15' diameter X 4'deep 4,800 gallon AG beginner pool, updated with a Hayward sand filter, 60GPM pump. TF-50 Test Kit. Upgraded to TK-100

  13. Back To Top    #13
    JasonLion's Avatar
    Join Date
    May 2007
    Location
    Silver Spring, MD
    Posts
    37,887

    Re: New Intex 18x52 pool.

    Quote Originally Posted by lk
    Saturation index =-2.06 normal is -.3 to .3 ppm and they say is corrosive.
    It is corrosive, but only to plaster. It won't cause any problems in a vinyl pool.
    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

  14. Back To Top    #14

    Join Date
    May 2010
    Location
    North Augusta SC
    Posts
    18

    Re: New Intex 18x52 pool.

    I'm boost-ing with the Intex SWG for over 24 h.
    I will turn off tomorrow morning.
    Test results
    FC-5 or more
    pH-7.6

    Water improved a little .
    I changed the water circulation from skimming to strainer grid inlet, it has a bigger suction
    this way. It circulates more water definitely. Filter got very dirty with the brownish stuff and just changed it .
    Pollen and rust that what it looks like.
    What is floc and startup dose of sequestrant ?
    Where can I buy it?
    I really appreciate your comments.
    lk
    1.Pool size 6950 gallons 18 X 52
    2.Filter Cartrige type B Intex
    3.Pool AG Intex Ultra Frame
    4.Pool liner Vinyl
    5.Filter Pump Krystal Clear Model 633T 2500 gallons/h + SWG Model CS8110

  15. Back To Top    #15
    JasonLion's Avatar
    Join Date
    May 2007
    Location
    Silver Spring, MD
    Posts
    37,887

    Re: New Intex 18x52 pool.

    Floc is a chemical designed to cause all of the particles that are suspended in the water to clump together and sink to the bottom of the pool, after which you vacuum them up.

    Sequestrant is a chemical designed to bind to dissolved metals in the water and prevent them from causing stains.

    Both are available from pool stores under a variety of brand names. Personally, I don't think you need either one.
    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

  16. Back To Top    #16

    Join Date
    May 2010
    Location
    North Augusta SC
    Posts
    18

    Re: New Intex 18x52 pool.

    Thank you very much JasonLion.
    New testing
    pH -7.2
    TA - 40
    FC - 3
    TC - 3
    CH - 70
    CYA - 0?

    Im back on 7 h regular filtration and 6 h SWG.
    Water continues to improve but is far from Crystal clear blueish color what I like.
    Any automatic vacuum sugestion for Intex type AGP pools?
    How can I mount a external skimmer for Intex and circulate together with the strainer grid inlet?
    lk
    1.Pool size 6950 gallons 18 X 52
    2.Filter Cartrige type B Intex
    3.Pool AG Intex Ultra Frame
    4.Pool liner Vinyl
    5.Filter Pump Krystal Clear Model 633T 2500 gallons/h + SWG Model CS8110

  17. Back To Top    #17

    Join Date
    Jan 2009
    Location
    Cupertino, CA
    Posts
    1,966

    Re: New Intex 18x52 pool.

    As long as the water is improving then you know your routine is working.

    Can't help with the vaccuum/skimmer questions...
    --paulr
    BBB "Intermediate Swimmer"
    IG plaster pool 18.5K gal, Hayward Pro-Grid DE filter, 3/4 HP Hydramax II; Polaris 380, 3/4 HP booster
    AG spa 325 gal, probably Sundance of some kind
    Water testing instructions on one page

Posting Permissions

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