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Thread: Turning my Ecosystem back into a Swimming Pool

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    Turning my Ecosystem back into a Swimming Pool

    I have read "Turning Your Green Swamp Back into a Sparkling Oasis" about six times now and I plan to make it my battle plan this weekend. I have a substantial supply of 10% bleach and ample supplies of CYA, Borax, Baking Soda, and I plan to get acid tonight. I also bought the Taylor K-2006 kit, which I found for $52.45. So, it seems that I have everything in order. I just have a couple of questions that would clarify the post for me some.

    I bought my house in September, and it came with a pool. The pool has a sand filter and is above ground. I noticed in the TYGSBIASO post that you can use floc for faster results. I happen to have an almost full bottle of it that the previous owners left at my house. Should I use it? The pool will have a higher pH from the chlorine anyway, so would it hurt to do that before levelling the pH with acid?

    Also, it seems like my multi-valve gasket (spider gasket?) is going out. If I set it to closed water pours out of the waste line. Also, I have overturn one direction and come back to get the Filter setting not to let water out of the waste line. Is this normal behavior or is it bad?

    Thanks,


    PS. My pool is about 13500 gallons, pump motor is 9 HP, and I have no clue how old my sand is.
    15K gal, IG vinyl, Sand Filter, 2 hp pump, Liquidator

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    Mod Squad jblizzle's Avatar
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    Re: Turning my Ecosystem back into a Swimming Pool

    Quote Originally Posted by bassace1
    Also, it seems like my multi-valve gasket (spider gasket?) is going out. If I set it to closed water pours out of the waste line. Also, I have overturn one direction and come back to get the Filter setting not to let water out of the waste line. Is this normal behavior or is it bad?
    It sounds like you should pull it apart and check the gasket ... probably will need a new one. That said, I have replaced mine and my DE valve has a similar problem where it does not seat completely and when I start to add fresh DE I loos a lot of it out the waste. I have to make sure it is seated ... I have not checked if this is due to the gasket of something else.
    Jason, TFP Moderator
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    linen's Avatar
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    Re: Turning my Ecosystem back into a Swimming Pool

    Welcome to tfp, bassace1

    Quote Originally Posted by bassace1
    I noticed in the TYGSBIASO post that you can use floc for faster results. I happen to have an almost full bottle of it that the previous owners left at my house. Should I use it?
    Not at the beginning of the process, flock is only good once the algae is dead. So don't worry about the flock for now.

    Quote Originally Posted by bassace1
    The pool will have a higher pH from the chlorine anyway, so would it hurt to do that before levelling the pH with acid?
    Since you have the taylor kit already, please post your test numbers for FC, CC, TA, CH, CYA, pH. Then we can talk about what to do. ph must be adjusted when FC is below 10 ppm or the results will not be valid.

    Quote Originally Posted by bassace1
    Also, it seems like my multi-valve gasket (spider gasket?) is going out. If I set it to closed water pours out of the waste line. Also, I have overturn one direction and come back to get the Filter setting not to let water out of the waste line. Is this normal behavior or is it bad?
    It does sound like a bad spider gasket to me. You could take your valve off the filter and look. Sometimes when my (rather old) filter leaks a little out the waste line, I lightly tap the center of the valve to "seat" the valve...I think it is due to a weak spring on mine.

    Quote Originally Posted by bassace1
    PS. My pool is about 13500 gallons, pump motor is 9 HP, and I have no clue how old my sand is.
    Put this equipment information in your signature please.
    TFP Expert who uses Pool School and my TF100 test kit along with PoolMath for my: Round 11K gallon AGP with deep end, 20" sand filter, Matrix 1hp 2spd, 6 2ftX20ft solar panels (and solar cover!), Intex SWCG (copper bars disconnected) and a Rubadub hot tub (chlorine). The SLAM process is not finished until: 1. CC < 0.5 ppm, 2. An OCLT < 1.0 ppm and, 3. The water is crystal clear.

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    Mod Squad Bama Rambler's Avatar
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    Re: Turning my Ecosystem back into a Swimming Pool

    Welcome ba1,

    Check the hp on that pump. 9 hp would be astronomical!

    Don't worry about how old the sand is. It's millions of years old when you get it, a few more ain't gonna hurt it.
    Dave J. TFP Moderator
    24' x 52" Round AGP. 2hp/¼hp SPL Power-Flo 2-speed pump. 200sqft Waterway Cartridge Filter. 45MHP2(3GPD) Stenner Peristaltic Pump
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    Re: Turning my Ecosystem back into a Swimming Pool

    Thanks for all of the info. I will post the test results when I test them. Do I need to do anything to take the multiport valve off, like drain the pool or filter? Thanks Dave. As awesome as a 9 hp motor would be, I meant to say 9A. My label is almost completely worn off so that is actually all I have to go on. I will look at the remaining part of the label and try to get that info for the signature.

    Thanks Again and thanks for the many welcomes.
    15K gal, IG vinyl, Sand Filter, 2 hp pump, Liquidator

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    maxepr1's Avatar
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    Re: Turning my Ecosystem back into a Swimming Pool

    Welcome! You don't have to drain the pool the change the gasket. Just make sure the filter is OFF of course. You will get some water that is going to leak out, draining your filter tank wouldn't hurt. Just make sure to bleed it when starting back up. Also you may have to prime the pump if you don't have a ball valve.
    40'x19' IG Diamond Brite 29K 4' Waterfall/Dive Rock FNS60 DE Inteliflo VS 2hp Whisperflo pumps Aqualogic(P4) SWG TF100 Tester


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    Mod Squad jblizzle's Avatar
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    Re: Turning my Ecosystem back into a Swimming Pool

    To check the gaskets, you should not have to take the valve off the filter. Just unscrew the 8-12 screws on the top. I suppose the filter would need to be drained down to the level of the pipes.

    (well ... same as what was just posted)
    Jason, TFP Moderator
    18k IG pebblesheen pool, Hayward ProLogic P4 w/ T-15 SWG, Pentair 1HP 2-speed Superflo, Hayward 6020 DE filter
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    Re: Turning my Ecosystem back into a Swimming Pool

    I tested the water yesterday and got these results:

    FC: 0
    CC: 0
    CYA: 38
    pH: 8
    Alk: 60


    I am going to start by lowering the pH to 7.2 and start adding chlorine after an hour. I have a log to write levels down in. I will also check that multiport valve while waiting.

    Thanks again everyone for your help and advice.
    15K gal, IG vinyl, Sand Filter, 2 hp pump, Liquidator

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    Re: Turning my Ecosystem back into a Swimming Pool

    Hi bassace1!

    If you search the forum for Pool Log you should find several, I use the on made by Bama Rambler.
    18' x 42" Intex (4786 Gal @ 80% capacity) Intex 8110 SWCG, 2000 GPH cartridge filter.
    Full Sun, Well Water, Borates at approx. 50
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    Re: Turning my Ecosystem back into a Swimming Pool

    So, I added enough chlorine to get 18ppm according to the Poolcalculator. I went and checked it 30 minutes later, and my results are confusing. My pH went back to 7.8, which was expected. CYA is 34. The confusing part is that the FC should have been 0 according to the post but was 1 ppm. Also, the CC showed about 1 ppm. Could my filter really be that effective, or is there something else causing this?
    15K gal, IG vinyl, Sand Filter, 2 hp pump, Liquidator

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    JasonLion's Avatar
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    Re: Turning my Ecosystem back into a Swimming Pool

    Your results are not at all surprising. Your chlorine is getting mostly used up quite quickly fighting the algae. However, in only half an hour there has not been time for all of the chlorine to react just yet. As the chlorine breaks down algae, it forms CC. The CC will break down once enough total chlorine has been added to complete the break down of all of the algae and all of the CC (which might be a while).

    You should go ahead and raise the FC level back up to shock level.
    19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
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    Ohm_Boy's Avatar
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    Re: Turning my Ecosystem back into a Swimming Pool

    FC consumption is as expected, it's on it's way down from the 18 you added. Hopefully, you just went ahead and topped it back up to your shocking level. You'll need to do that in order to keep it high enough to remain effective as it gets used up fighting the pool nasties. Don't worry about CC just now.
    [center:1kpalu48]Helpful Links: Pool School | CYA/Chlorine Chart | Pool Calculator[/center:1kpalu48]

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    Re: Turning my Ecosystem back into a Swimming Pool

    Yes, I added some more. I will have to go to the store soon to get some more bleach. I thought I had 4x times the amount needed but its using a little more than I expected.
    15K gal, IG vinyl, Sand Filter, 2 hp pump, Liquidator

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    Re: Turning my Ecosystem back into a Swimming Pool

    So, the pool is holding stable today at 13 ppm and no CC shows up on the test. I guess I am just waiting for it to clear up now. It went from brownish-green last night to a light turquoise today. Is this expected behavior? Do I need to do anything else?
    15K gal, IG vinyl, Sand Filter, 2 hp pump, Liquidator

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    Mod Squad Bama Rambler's Avatar
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    Re: Turning my Ecosystem back into a Swimming Pool

    It takes more than you think it will. Just keep it at shock level as often as you need to and keep the filter running and it'll clear up. Sometimes it takes a little patience but it's more than worth it to see it completely through.
    Dave J. TFP Moderator
    24' x 52" Round AGP. 2hp/¼hp SPL Power-Flo 2-speed pump. 200sqft Waterway Cartridge Filter. 45MHP2(3GPD) Stenner Peristaltic Pump
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