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Thread: Emerald/Kelly Green pool- trying to clear help, now 1/2 draining

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    Emerald/Kelly Green pool- trying to clear help, now 1/2 draining

    Hi, opened a week ago, was darker green now been bright green with no change
    Facts: 25,000 gallon, in-ground concrete w/ Hayward s244T Hayward Sand Filter. Filter 4-5 years old, new motor- 1 yr old
    Levels now: FAC 5.0, TAC 5.0, CH 180, CYA 80, TA 90, PH 7.8 copper & iron 0 total dissolve solids 500 phosphates 0

    When I opened it was a darker green. All levels were good- ph was 7.2, etc so I shocked with bags of 6 bags powder shock, filter running 24/7. brushed and vacumed with aquabot.
    after 2 days it was just the emerald green. So added 5lbs of Liquid chlorine with no change.
    I've gone daily to Leslie's just to have the water tested and they keep telling me its great. I work with the manager and shes ever tried to upsell me, and ive had past success with going by their water reports. I did get cellulose fiber to add to the drain to help the sand filter work better but no avail.
    I'm told by another blogger that my CYA at 8-is too high even though its in the acceptable Leslies range and I need to 1/2 drain the pool and refill to lower the CYA
    We just rented a submersible pump and am now doing that!

    What else can I try??
    In Ground 25,000 gal plaster kidney shape pool. Hayworth Sand Filter S224T avg PSI=18. In NJ
    New to pool 3 years ago but slowly learning how to maintain on my own, past 2 years opened pool on own and maintained w/out much problem have Leslie's close
    use aquabot for cleaning (love it!)

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    Texas Splash's Avatar
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    Re: Emerald/Kelly Green pool- trying to clear help, now 1/2 draining

    Hello and welcome to TFP! Well, your CYA is elevated for a non-SWG pool, but still manageable -maybe. It may actually be much higher. But we can't give you too much accurate info without your own test kit results from either a TF-100 or Taylor K-2006C. That is critical. The free pool store tests are simply unreliable, especially when it comes to CYA which is always supposed to be tested outside per Taylor instructions.

    For now, I would wait. Don't do anything except order either a TF-100 (link below) or Taylor K-2006. Now I will say this ... you get MORE products in the TF-100 and it contains Taylor reagents as well. Because you will need to "SLAM" to remove algae (link below) I also recommend making it the XL Option for more reagents. Lastly, everyone loves the "Speed Stir" for easy mixing. Testing is the foundation for everything you will do, and the right test it will save you hundreds.

    For now, simply add one gallon of regular plain bleach to your water each day until your kit arrives. Then post a full set of numbers for us and we can get very specific on what to do next. Nice to have you with us.
    Pat (a.k.a. Texas Splash) ~ My Pool: Viking Fiberglass; 17,888 Gal; Waterway Supreme 2-sp/2-hp pump; Hayward Ctg filter; TF-100 w/ Speed Stir
    Vital Links: POOL SCHOOL, RECOMMENDED LEVELS, RECOMMENDED CHEMICALS, Poolmath Calculator, SLAM, Chlorine/CYA CHART.
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    Re: Emerald/Kelly Green pool- trying to clear help, now 1/2 draining

    What else can I try??
    Troublefreepool.com....and you won't be "trying" it, you will be fixing your pool water issues. Read the forum. Thousands of folks follow what we do. It is solid science backed by thousands and thousands of anecdotal experiences.

    Honestly, your first order of business after ordering the kit is patience. You need that test kit in your hands so you can see the things we are talking about and so you understand what you are doing and why.

    Secondly, stay out of the pool store. Trying to blends their advice with ours leaves you stuck in the middle not knowing what to do....go one way or the other.

    Next, read "The ABC's of Pool Water Chemistry" up in Pool School. Read it and understand it thoroughly....it is our reference book.

    Then be precise. Our philosophy and testing requires high precision for the results to really help you.

    Stay on the forum. If something makes no sense, don't do it until you have a good explanation from someone here on the forum

    Do you have a pic of that green pool? that would help in a diagnosis

    Enjoy your pool....that's what they're for.
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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    Re: Emerald/Kelly Green pool- trying to clear help, now 1/2 draining

    IMG_4148.jpg

    This is a photo of my pool. I am expecting a test kit to be delivered tomorrow. We drained 1/2 the pool (at a suggesstion CYA was too high at 80) and refilled, so running filter now, brushed and will add a gallon of clorox as suggested.
    In Ground 25,000 gal plaster kidney shape pool. Hayworth Sand Filter S224T avg PSI=18. In NJ
    New to pool 3 years ago but slowly learning how to maintain on my own, past 2 years opened pool on own and maintained w/out much problem have Leslie's close
    use aquabot for cleaning (love it!)

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    Re: Emerald/Kelly Green pool- trying to clear help, now 1/2 draining

    That's purty. Welcome to TFP

    I opened a pool that looked about the same this year. Yep. Adding maybe a gallon of bleach per day is safe until you get your test kit. You'll be able to clear this up. Just remember, with that much green that you will have algae hiding in all sorts of places......like in the skimmer box behind a lip on the frame? Ask me how I know.

    When you get your test kit proceed to SLAM. Pool School - SLAM - Shock Level And Maintain

    The more often you can check that CL and bring it back up, the faster this will go.
    18*36*23 true "L" vinyl IG 29,000 gallons. SWG. TF-100 test kit.
    http://tftestkits.net/splash-page.html

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    Re: Emerald/Kelly Green pool- trying to clear help, now 1/2 draining

    Hi, Test kit arrived here's what I have:

    FC=1.6 CC=.4 PH=7.6 TA=7.6 & CYA was debatable between 60-70 We did several times, each person had a difference of when they could no longer see the black dot

    we had 1/2 drained pool & filled 4 days ago & have had filter running & continued brushing. I expected the CYA to drop from the pool store reading which had been 80, 80, to 70 tested 2 days apart over a period of 5 days.

    I haven't done anything else at this point other then add 1 gallon of clorox at 8.25% sodium hypochlorite

    Pool still green except now a darker shade so NOW WHAT? thanks!
    In Ground 25,000 gal plaster kidney shape pool. Hayworth Sand Filter S224T avg PSI=18. In NJ
    New to pool 3 years ago but slowly learning how to maintain on my own, past 2 years opened pool on own and maintained w/out much problem have Leslie's close
    use aquabot for cleaning (love it!)

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    Re: Emerald/Kelly Green pool- trying to clear help, now 1/2 draining

    Pool stores typically get the CYA test wrong. Trust your results.

    You need to SLAM, but it's going to take a LOT of bleach at 70-80 CYA.


    Pool School - SLAM - Shock Level And Maintain
    Built in 1957 44,000 gallon in-ground, Wet Edge Primera Stone in Sky Blue, Intelliflo VF Pump, 600 lb. Pentair Triton II TR-100 Sand Filter, CircuPool RG 60 Plus SWG, TF-100 test kit
    If TFP has helped you, please click to SUPPORT TFP!

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    Re: Emerald/Kelly Green pool- trying to clear help, now 1/2 draining

    I have 15 gallons of 10% liquid chlorine, not sure how much to add, read Slam & pool math but still unsure for 25,000 gal pool?
    In Ground 25,000 gal plaster kidney shape pool. Hayworth Sand Filter S224T avg PSI=18. In NJ
    New to pool 3 years ago but slowly learning how to maintain on my own, past 2 years opened pool on own and maintained w/out much problem have Leslie's close
    use aquabot for cleaning (love it!)

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    Re: Emerald/Kelly Green pool- trying to clear help, now 1/2 draining

    It looks like maybe you posted your PH number for your TA? Ideally you want to lower your PH to about 7.2 before raising your chlorine level. Then forget about PH until you are done as the test is not accurate above CL of 10.

    Plug your "now" numbers into pool math and target numbers along with your pool size and % chlorine you're using and it will tell you how many ounces to add to get to your target. Your target is your shock level Roy your CYA found here: Pool School - Chlorine / CYA Chart

    You want to keep it at target until all three tests are passed, not a one time dose. Clear water, CC<.5 and passing an overnight CL loss test.
    18*36*23 true "L" vinyl IG 29,000 gallons. SWG. TF-100 test kit.
    http://tftestkits.net/splash-page.html

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    Re: Emerald/Kelly Green pool- trying to clear help, now 1/2 draining

    Looking much better, now a pretty light teal blue/grey. added 10 gallons of 10% liquid chlorine at night & brushed & brushed amIMG_4219.jpg
    In Ground 25,000 gal plaster kidney shape pool. Hayworth Sand Filter S224T avg PSI=18. In NJ
    New to pool 3 years ago but slowly learning how to maintain on my own, past 2 years opened pool on own and maintained w/out much problem have Leslie's close
    use aquabot for cleaning (love it!)

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    Texas Splash's Avatar
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    Re: Emerald/Kelly Green pool- trying to clear help, now 1/2 draining

    That is a HUGE difference indeed. Your biggest responsibility now is to maintain the proper SLAM FC based on your CYA. Try to be consistent. If you have any questions about what you've read on the SLAM page (link below) please let us know. Have a good day.
    Pat (a.k.a. Texas Splash) ~ My Pool: Viking Fiberglass; 17,888 Gal; Waterway Supreme 2-sp/2-hp pump; Hayward Ctg filter; TF-100 w/ Speed Stir
    Vital Links: POOL SCHOOL, RECOMMENDED LEVELS, RECOMMENDED CHEMICALS, Poolmath Calculator, SLAM, Chlorine/CYA CHART.
    If you enjoyed your TFP experience, please consider donating to Support TFP!

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    lovestoswim's Avatar
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    Re: Emerald/Kelly Green pool- trying to clear help, now 1/2 draining

    Great Job!!
    24,000 gallon, 21x43 Oval Wilbur AGP installed June 2015. 10'X24' deck. 2hp Aqua Pro Cartridge Filter. Using TFP method.

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    Re: Emerald/Kelly Green pool- trying to clear help, now 1/2 draining

    My shock FC is 24. I am now at a 10.5 FC (target 7)
    I have been brushing and after that initial 10 gallon dose last night, I see no more green, the water is a cloudy/ bright blue. based on this,(and what the pool calculator says) i am thinking not to add anymore 10%bleach tonight.
    my PSI has only increased 2pts so I am not backwashing yet.
    Would i be correct to not add anymore bleach tonight, just brush again and keep an eye on it? or should I add more in case?
    In Ground 25,000 gal plaster kidney shape pool. Hayworth Sand Filter S224T avg PSI=18. In NJ
    New to pool 3 years ago but slowly learning how to maintain on my own, past 2 years opened pool on own and maintained w/out much problem have Leslie's close
    use aquabot for cleaning (love it!)

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    Re: Emerald/Kelly Green pool- trying to clear help, now 1/2 draining

    If your SLAM (or shock, I just hate using that word) level is 24, you should maintain that level as best you can until your SLAM is over.
    32K gallon Plaster - 1hp Hayward 2 speed Super Pump - Hayward S200 Sand Filter - TF100XL
    Test Kits - Pool Math - Chlorine/CYA/Target/Slam Chart

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    Re: Emerald/Kelly Green pool- trying to clear help, now 1/2 draining

    thank you, i guess im just having trouble figuring out the SLAM! I'll test again this am
    In Ground 25,000 gal plaster kidney shape pool. Hayworth Sand Filter S224T avg PSI=18. In NJ
    New to pool 3 years ago but slowly learning how to maintain on my own, past 2 years opened pool on own and maintained w/out much problem have Leslie's close
    use aquabot for cleaning (love it!)

  16. Back To Top    #16

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    Re: Emerald/Kelly Green pool- trying to clear help, now 1/2 draining

    SLAM:

    Shock
    Level
    And
    Maintain

    To defeat algae 100% you need to keep your CL at that shock level until you pass three tests

    1. Clear water (not cloudy)
    2. Pass overnight chlorine loss test
    3. CC of less than .5

    I know it's a pain to maintain it high along with work and real life but if you don't, you will be battling this all over again sooner than you think (ask me how I know).
    18*36*23 true "L" vinyl IG 29,000 gallons. SWG. TF-100 test kit.
    http://tftestkits.net/splash-page.html

  17. Back To Top    #17

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    Re: Emerald/Kelly Green pool- trying to clear help, now 1/2 draining

    Thank you.

    tonight I am at this- FC=6.5, CC= between 0-.5 (couldn't quite tell), ph=7.4, ALK=60 CYA=55-60, temp 72 I can finally see the bottom of my deep end for the past 3 days, my water is still on the cloudy side.

    Air temp has been in the high 80's for the past few days and sunny/cloudy, temp will drop to 70's over next few days, cooling down. Kids went swimming finally today.

    Am I on the right track? after keeping it at shock level for a few days, I have not added any more chlorine (liquid 10%). FC has dropped as such- 10.5/1cc; 9.5/.5; 8.5/.5; 7.5/ (0-.5 not sure); 6.5/ (0-.5 not sure)
    In Ground 25,000 gal plaster kidney shape pool. Hayworth Sand Filter S224T avg PSI=18. In NJ
    New to pool 3 years ago but slowly learning how to maintain on my own, past 2 years opened pool on own and maintained w/out much problem have Leslie's close
    use aquabot for cleaning (love it!)

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    Re: Emerald/Kelly Green pool- trying to clear help, now 1/2 draining

    See post number 16. My post just above your last post.

    SLAM is a maintenance process. You want to KEEP your FC at that "shock" level UNTIL you pass all three tests listed.

    If you don't? The algae is coming back.
    18*36*23 true "L" vinyl IG 29,000 gallons. SWG. TF-100 test kit.
    http://tftestkits.net/splash-page.html

  19. Back To Top    #19

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    Re: Emerald/Kelly Green pool- trying to clear help, now 1/2 draining

    AimeeH Ok so I raise the level up to 24 again until pool is totally clear? I have also been brushing alot so all looks good except not crystal
    In Ground 25,000 gal plaster kidney shape pool. Hayworth Sand Filter S224T avg PSI=18. In NJ
    New to pool 3 years ago but slowly learning how to maintain on my own, past 2 years opened pool on own and maintained w/out much problem have Leslie's close
    use aquabot for cleaning (love it!)

  20. Back To Top    #20

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    Re: Emerald/Kelly Green pool- trying to clear help, now 1/2 draining

    AimeeH Ok so I raise the level up to 24 again until pool is totally clear? I have also been brushing alot so all looks good except not crystal
    In Ground 25,000 gal plaster kidney shape pool. Hayworth Sand Filter S224T avg PSI=18. In NJ
    New to pool 3 years ago but slowly learning how to maintain on my own, past 2 years opened pool on own and maintained w/out much problem have Leslie's close
    use aquabot for cleaning (love it!)

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