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Thread: The pool and I are no longer friends

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    The pool and I are no longer friends

    Hi all,

    We have been trying to open this pool for two weeks now. It is a Kayak 12x24, 8500 gallon pool with vinyl liner. This year we have a brand new Intex Sand Filter 2800 GPH. Over the winter our cover collapsed and pool sat uncovered for part of winter and through 5/25/16 when we began working on it. Our process since then in trying to resurrect it has been as follows:

    1) Raise pH
    2) Add Yellow Out
    3) Superchlorinate with shock
    4) Simultaneously vacuum, scrub, backwash, etc.

    We have gone through this process twice. In the interim, nearly daily scrubbings and vacuuming. There is no more debris coming from the pool and the filter is smoothly running at great pressure. Now the fun part is that it's still green as evident in the pics I just had my husband take and send to me a minute ago. I did the Pool Calculator and we got more bleach and are keeping the chlorine levels high.

    The readings from water test just now he sent were as follows:

    Total Hardness: 100
    Total Chlorine: 10
    Free Chlorine: 10
    pH: 7.2
    Total Alkalinity: 120
    CYA: 30

    Help, we are really not sure what else to do. I've looked into getting D.E. for the filter as maybe we've filled it with too much debris from all the initial vacuuming/cleaning.

    Marianna

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    kcindc's Avatar
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    Re: The pool and I are no longer friends

    Hi Marylu,

    Welcome to TFP... we are neighbors! Ok, so you are opening your pool a little too late, so all of the algae has had alot of time to grow. It is best to close when the pool water is below 60 and open before the water reaches 60 degrees. We had a weird warm winter and a frigid spring, so that didn't help.

    Since this didn't happen overnight, it will not clear overnight. You will need patience. We will help you get your pool clean and for less cost than all of the potions the pool store has sold you so far.

    First, how did you get your test results, strips, pool store, test kit (if so which one)? Get one of the recommended test kits if you don't already have one. Since you pool is a lovely shade of green, I strongly suggest the TF-100 with the XL option... otherwise you will run out of testing reagents.

    Pool School - Test Kits Compared

    Read up on pool school: Pool School - Pool School

    You need to SLAM your pool, which is means testing and adjusting FC several times a day, brush everyday, backwash only when your pressure rises 25% above the clean pressure because sand filters do best when a little dirty: Pool School - SLAM - Shock Level And Maintain

    Use this chart to determine your FC SLAM level: Pool School - Chlorine / CYA Chart

    Use pool math to determine how much bleach to add to get your FC to SLAM level: http://www.troublefreepool.com/calc.html

    Ask questions if you don't understand or need help. Keep us updated on your progress. A pic a day of the steps will help show your progress (sand filters take longer to clear).
    Karen
    33K IG w spa plaster, Pentair 1HP Whisperflo, DE Filter, SWG CircuPool RJ-60, Dolphin Triton Plus, Raypak Dig 336K BTU, TF-100.
    Pool Math Chlorine / CYA Chart SLAM - Shock Level And Maintain
    2017 replaster/retile

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    Re: The pool and I are no longer friends

    Thanks KC. We had to run out to get strips as all the recommended test kits on here, I've already been doing a lot of reading, are on back order on Amazon (sorry, trying to save as much $ as possible). The calculator told me to SLAM at 10 since we were starting with a really low CYA. We have since added conditioner. Should we add another jug of bleach now to raise SLAM/Chlorine level to 12 or 16 (it's 8.25%, 121oz jug)? I've attached a pic of strip test in case my readings were inaccurate. Do we think there is still algae even with no debris coming up any more in vacuuming and scrubbing?

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    kcindc's Avatar
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    Re: The pool and I are no longer friends

    Your water is green which means you have algae. The only way to get rid of algae is to kill it with chlorine. So, you do need to SLAM.

    Sadly, the test strips are generally worthless. High levels of FC can bleach out your results and even at low FC levels, they are inaccurate.

    Until you get one the kits, we suggest that you add 1/2 jug a bleach a day, but don't add anymore until near bedtime since 10 is the highest your test strips can record. How much conditioner and what type (liquid/solid) did you add to the pool? The condition+all of the solid forms of chlorine (powdered/pucks) all increase your CYA. Without an accurate test of CYA, we can't recommend a FC level and the strips won't allow for accurate FC testing.

    The website for the TF-100 doesn't indicate they are on back order: TFTestkits.net

    While you wait, please add your pool details to your signature as it helps us quickly see your info so accurate advice can be given: Pool School - Read This BEFORE You Post
    Karen
    33K IG w spa plaster, Pentair 1HP Whisperflo, DE Filter, SWG CircuPool RJ-60, Dolphin Triton Plus, Raypak Dig 336K BTU, TF-100.
    Pool Math Chlorine / CYA Chart SLAM - Shock Level And Maintain
    2017 replaster/retile

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    Pool Tool's Avatar
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    Re: The pool and I are no longer friends

    The algae is the almost fluorescent, very much thriving bright green in the water. You need to SLAM the pool, which is keeping the chlorine high enough for long enough to kill the algae. Seems silly but the TF-100 XL option, while expensive now is going to save you most money in the long run. It is impossible to complete a SLAM without a proper kit.

    Once the algae starts to die, it will turn grayish then blue cloudy before ultimately going completely clear. Please add your pool details to your signature and seriously consider the TF-100. You won't regret it in a month.
    16' x 32' (21100 gal), vinyl, 1.5 hp Hayward SuperPump,
    Tagelus TA60/60D Sand Filter, Raypak 399K Digital Heater, TF-100

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    Re: The pool and I are no longer friends

    Contact TF Test Kits...their customer service is top notch and if you contact them today before they send out shipments, you just may have the kit by Saturday. And get the XL option since I'm sure you're going to need the extra reagents.

    Barrier Reef Whitsunday 35' IG Fiberglass...17,500 gallons...Hayward H250 Heater...Hayward Max-Flo XL 1.5hp Pump...Hayward 24" Pro Sand Filter...Hayward Aqua Plus SWG...Taylor K-2006 and K-1004 Test Kits...Built Spring 2015...Use village well as fill water

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    Re: The pool and I are no longer friends

    Thanks Pool Tool. A follow up question. I read different things about running the filter on main drain only, which for us, I believe would be the bottom of the pool drain, rather than the skimmer. Does it matter at all which drain? Skimmer only, bottom drain only, or both?

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    Re: The pool and I are no longer friends

    You are very welcome and we are glad you found the site. Probably doesn't matter since many pools, even very deep pools, aren't even built with main drains anymore. By skimming, you will reduce any new debris settling to the bottom and hasten your SLAM time. I generally use both skimmer and main drain pretty much 95% of the time.
    16' x 32' (21100 gal), vinyl, 1.5 hp Hayward SuperPump,
    Tagelus TA60/60D Sand Filter, Raypak 399K Digital Heater, TF-100

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    Re: The pool and I are no longer friends

    if you have a main drain I like to use both when doing a slam, once the algae starts to die, when you brush the walls,
    dead white algae will make the water hard to see through, I have found in my experience it clears faster if the main
    drain as well as skimmer are both circulating.
    16x32 IG Vinyl, 13,000 Gals. Hayward S-244T sand filter, SP2810X15 pump
    (1.5 HP motor) Raypak PR266AEN (266k btu) gas heater. TF-100 Test Kit.
    Dolphin E10 Cleaning Robot.

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    Re: The pool and I are no longer friends

    Sounds good thanks. We'll keep it on both. Is slamming itself sufficient to kill algae? Is the notion that you have to use a product to "open up the algae" first a myth? Also, how often are we to check the water in the interim and add bleach since we only have the strips? I won't know if it's at 12 or 16 shock level.
    Kayak 12' x 24' 8600 gallon pool; Vinyl liner; Intex Sand Filter 2800 GPH; TF-100

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    Re: The pool and I are no longer friends

    Yes, SLAMing is all you need. The only product necessary is bleach/aka liquid chlorine. What you said is a myth. The potions sold in pool stores are all solid forms of chlorine that are a) expensive, b) add either calcium or CYA which builds up and will lead you to have to dump your water and refill, and c) sometimes adds copper which can stain hair and your liner.

    You won't need any shocks, flocs, algaecide (which only prevents algae and does nothing to kill it), or clarifiers.

    You won't be able to properly SLAM until you get one of the kits which means you won't be able to get to full SLAM level for your CYA.

    Wal-mart has been having a sale of 10% bleach in the seasonal/pool section. Cost is $2.50 a jug. Pay attention to the date stamp as you want the freshest batch as chlorine looses its strength over time. The date stamps are julian dates, like 16010 which corresponds to the 10th day of 2016.
    Karen
    33K IG w spa plaster, Pentair 1HP Whisperflo, DE Filter, SWG CircuPool RJ-60, Dolphin Triton Plus, Raypak Dig 336K BTU, TF-100.
    Pool Math Chlorine / CYA Chart SLAM - Shock Level And Maintain
    2017 replaster/retile

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    Re: The pool and I are no longer friends

    Thanks again KC. Kit ordered. Should hopefully arrive by Saturday. At this point, does it make sense to still keep filter running and adding jugs of bleach at least 2 per day so it doesn't get swampy?
    Kayak 12' x 24' 8600 gallon pool; Vinyl liner; Intex Sand Filter 2800 GPH; TF-100

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    Re: The pool and I are no longer friends

    Your pool is small, so I wouldn't add 2 jugs of the 8.25% (regular bleach) and you really don't want to add 2 jugs of the 10% stuff. Adding too much FC will bleach out your liner and is simply a waste of FC. Putting in the amount you want to add boils down to a waste of $ as it won't speed up the time to clear your pool and significantly increases the risk of ruining your liner or equipment.

    1/2 a jug of either 8.25% or 10% is the most you should put in your pool a day until your kit arrives.
    Karen
    33K IG w spa plaster, Pentair 1HP Whisperflo, DE Filter, SWG CircuPool RJ-60, Dolphin Triton Plus, Raypak Dig 336K BTU, TF-100.
    Pool Math Chlorine / CYA Chart SLAM - Shock Level And Maintain
    2017 replaster/retile

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    Re: The pool and I are no longer friends

    Got it.
    Kayak 12' x 24' 8600 gallon pool; Vinyl liner; Intex Sand Filter 2800 GPH; TF-100

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    Re: The pool and I are no longer friends

    By the time you get your water clear, you will be amazed at how cheaply and easy it will be to maintain a clear pool. Soon you will become friends with your pool again... in fact, you will probably become best friends
    Karen
    33K IG w spa plaster, Pentair 1HP Whisperflo, DE Filter, SWG CircuPool RJ-60, Dolphin Triton Plus, Raypak Dig 336K BTU, TF-100.
    Pool Math Chlorine / CYA Chart SLAM - Shock Level And Maintain
    2017 replaster/retile

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    Re: The pool and I are no longer friends

    I'm skeptical, I won't lie, this has been a headache and a half for the last 2 weeks. What's the opinion on getting D.E. or D.E. alternative to add to the sand filter to help with filtering tiny particles? Along similar lines, should I get a skimmer sock? The trap on this new filter lets just about everything smaller than a pea through.
    Kayak 12' x 24' 8600 gallon pool; Vinyl liner; Intex Sand Filter 2800 GPH; TF-100

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    Re: The pool and I are no longer friends

    DE is for that last little bit of haze, not a green pool.

    Skimmer sock is a great idea. Amazon has them for very cheap.
    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: The pool and I are no longer friends

    Amazon has these hair nets that get really fine particles. He algae will slow the water quickly so Don't use them when not home as it can quickly stop the water from flowing to the pump and ruin your pump. I found this out the hard way. I don't have a link because I'm on a conference call.

    Karen
    33K IG w spa plaster, Pentair 1HP Whisperflo, DE Filter, SWG CircuPool RJ-60, Dolphin Triton Plus, Raypak Dig 336K BTU, TF-100.
    Pool Math Chlorine / CYA Chart SLAM - Shock Level And Maintain
    2017 replaster/retile

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    Kayak 12' x 24' 8600 gallon pool; Vinyl liner; Intex Sand Filter 2800 GPH; TF-100

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    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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