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Thread: SW recommendations not matching store recommendations

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    SW recommendations not matching store recommendations

    I am new to this and just read here the recommendations for salt water chemistry:

    FC 4-6 ppm
    PH 7.5-7.8
    TA 60-80
    CH 250-350 for plaster
    CYA 70-80
    Salt 200-400 ppm ABOVE recommended optimum level
    Borates 30-50 ppm (optional)

    I just had my water tested at Leslie's and they recommend:
    FC 1-4 ppm
    PH 7.2-7.8
    TA 80-120
    CH 200-400
    CYA 60-99

    What concerns me the most is the huge difference in TA.

    So, what guideline should I follow (salt water chlorinator outdoor pool, new plaster as of Aug 2014, solar heater)?

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    Mod Squad jblizzle's Avatar
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    Re: SW recommendations not matching store recommendations

    Welcome to TFP!!

    The answer depends on whose advice you are going to follow
    I would recommend us

    A SWG tends to cause the pH to rise, but having a lower TA, the pH will not rise as fast.
    Also there FC levels are too low to ensure that you will not have algae.
    Jason, TFP Moderator
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    Mod Squad pooldv's Avatar
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    Re: SW recommendations not matching store recommendations

    I have been using this for three years and my pool is TFP Awesome!
    Water Balance for SWCGs

    That really isn't that huge of a difference in TA levels. Mine creeps up and I have to lower it once or twice a year.
    Lowering Total Alkalinity
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    Saturn94's Avatar
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    Re: SW recommendations not matching store recommendations

    TFP method all the way!!!!!

    When I followed the pool store's advice, I kept having problems. Once I switched to the TFP method, no more problems, and it cost me far less!
    20k IG vinyl liner/Aqua Rite SWCG, T-15 cell/Hayward Pro Grid 6020 DE filter/Polaris 280 with booster pump/Hayward Superpump 1 hp/city water/pool installed March 2004

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    Mod Squad tim5055's Avatar
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    Re: SW recommendations not matching store recommendations

    Welcome to TFP!!

    I think that you will find that there is very little we agree with when you compare to most pool store advice. Their goal is to keep you coming in for free water testing and selling you as much stuff as they can. It's your choice as to which method you follow.

    To quote Dave, Site Owner of TFP:
    Throughout TFP, you will read that we suggest certain levels that good science and practical experience has taught us fall within safe ranges.

    Further reading of posts here will draw you to the inescapable conclusion that these guidelines work.......in thousands and thousands of pools worldwide.

    You may or may not choose to use these methods and guidelines or you may use some and not others. Our goal is to teach you what has been proven time and time again and then let you use that information to your benefit.
    TFP Moderator 39 X 18 23,000(ish) freeform gunite; built 2007ish; Pentair Triton II TR100 600lb Sand filter; 2 HP Pentair pump with 2.2 HP AO Smith single speed motor; 2 skimmers, 1 main drain, 4 returns w/waterfall, Stenner 45MHP2 3GPD running@ 60% - 15 gal Tank; heated by the sun CYA 200+ when I started - 50 now. Dolphin Supreme M5 Pool Cleaner. Hot Springs SX Spa, 285 gallon

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    Re: SW recommendations not matching store recommendations

    Quote Originally Posted by tim5055 View Post
    Welcome to TFP!!

    I think that you will find that there is very little we agree with when you compare to most pool store advice. Their goal is to keep you coming in for free water testing and selling you as much stuff as they can. It's your choice as to which method you follow.

    To quote Dave, Site Owner of TFP:
    Thank you all for the fast and great replies. I will take your suggestions, as I have been fighting all the time to low the pH and it keeps creeping up. It seems that the numbers suggested by the stores are not helping.
    Another interesting thing is that yesterday I took a water sample to a store and today to another. Some results matched, but some were so different that made me lose the trust.
    Examples:
    One said the my TA was 50, while the other said 120.
    Calcium hardness - 350 vs. 240
    CYA - 50 vs 43

    The only thing I know for sure is that I have to lower the pH, as both agreed it is 8.0, increase the FC as one measured 2.0 and the other 2.5, and increase CYA. Not sure what to do about the TA...
    I think I will start by adding acid, as with the pH high as it is, the rest is secondary, correct?
    Thanks again!

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    Mod Squad tim5055's Avatar
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    Re: SW recommendations not matching store recommendations

    Quote Originally Posted by mmalka View Post
    Thank you all for the fast and great replies. I will take your suggestions, as I have been fighting all the time to low the pH and it keeps creeping up. It seems that the numbers suggested by the stores are not helping.
    Another interesting thing is that yesterday I took a water sample to a store and today to another. Some results matched, but some were so different that made me lose the trust.
    Examples:
    One said the my TA was 50, while the other said 120.
    Calcium hardness - 350 vs. 240
    CYA - 50 vs 43

    The only thing I know for sure is that I have to lower the pH, as both agreed it is 8.0, increase the FC as one measured 2.0 and the other 2.5, and increase CYA. Not sure what to do about the TA...
    I think I will start by adding acid, as with the pH high as it is, the rest is secondary, correct?
    Thanks again!
    If you are really bored one day take two exact samples and visit two stores and have them analyzed......
    TFP Moderator 39 X 18 23,000(ish) freeform gunite; built 2007ish; Pentair Triton II TR100 600lb Sand filter; 2 HP Pentair pump with 2.2 HP AO Smith single speed motor; 2 skimmers, 1 main drain, 4 returns w/waterfall, Stenner 45MHP2 3GPD running@ 60% - 15 gal Tank; heated by the sun CYA 200+ when I started - 50 now. Dolphin Supreme M5 Pool Cleaner. Hot Springs SX Spa, 285 gallon

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    Mod Squad pooldv's Avatar
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    Re: SW recommendations not matching store recommendations

    No! Don't be tempted by the pool store!
    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

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    Isaac-1's Avatar
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    Re: SW recommendations not matching store recommendations

    You really should get your own quality test kit and do your own testing.

    see the link in my signature

    Ike
    Indoor 20x40 35,000 gallon vinyl pool with 1.5 HP 2 speed Jandy FloPro pump, Hayward EC75 Perflex DE filter, 11 4x12 Techno-Solis solar panels w/ Aquasolar controller, Aquabot Turbo T Robot Cleaner. Also LMI metering chlorine dispenser pump and HotSpring Jetsetter
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