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Thread: Pool store only says to add shock

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    Join Date
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    Pool store only says to add shock

    I have a pool store with a "WaterLink" testing center a mile from my home so it's pretty convenient. I bought this house last year on an "as-is" sale and I am trying to learn the craft of pool maintenance. The pool was horrible, but has been drained and pressure washed. I replaced all the equipment except the booster pump for the Polaris and the heater for the spa. Booster works fine and the heater wasn't high enough on our "to do" list this year. Anyway, every time I have the water tested, the pool store crosses out all the recommendations at the bottom and just says to add shock. So far, this week, they have told me to add a total of 18 lbs of shock, but looking at the levels and the pool school documents, I need to be doing more. Levels are listed below and I am going to switch to using regular bleach instead of the granular 1lbs packs at the pool store.
    FC - 3ppm
    TC - 3ppm
    CC - 0ppm
    pH - 7.1
    CH - 150ppm
    Alkalinity w/stabilizer correction - 50ppm
    CYA - 1ppm
    Copper - 0.09ppm
    TDS - 500ppm

    I have used the calculator on here and have the amounts of product to add that it recommended. Question is, follow the pool calc or the pool store recommendation?
    ~20,000 gal IG Gunite with Spa (No Heater at this time)
    Pentair VS-3050 3hp Variable Speed Pump
    Pentair Sand Dollar SD-60 Filter
    Pentair Rainbow In-Line Chlorinator
    Polaris 380

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    Mod Squad jblizzle's Avatar
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    Re: Pool store only says to add shock

    Welcome to TFP!

    If you have read much of this forum you should know we never suggest listening to pool store advice. And certainly do not believe their test results.
    Jason, TFP Moderator
    18k IG pebblesheen pool, Hayward ProLogic P4 w/ T-15 SWG, Pentair 1HP 2-speed Superflo, Hayward 6020 DE filter
    500 sqft Heliocol solar panels, ThePoolCleaner, TF-100 test kit w/ SpeedStir
    Pool School + Test Kit + PoolMath = A TROUBLE FREE POOL
    If you found TFP helpful and we saved you money ... Become a TFP Supporter!

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    Smykowski's Avatar
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    Re: Pool store only says to add shock

    Pool calculator. Do you have your own test kit?
    33' round, 23,000 gal AG vinyl , 1HP 2spd PowerFlo Matrix downsized with 3/4HP impeller (X2), Hayward S180T 150# sand filter (X2), Hayward H250 NG heater Pool Store year 1 - $850 for 2 months; Pool Store year 2 - $440 for 2 months, TFPC year 1 - $170 for 4 months; TFPC year 2 - $95 for 4.5 months
    The most important article on this site - The ABCs of Pool Water Chemistry

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    kcindc's Avatar
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    Re: Pool store only says to add shock

    I do not trust the pool store test results. Pool store testing is very inaccurate and they have only one purpose and that is to sell you overprice products that you can get cheaper elsewhere. The fact that you have been using their bags of shock and your CH an CYA levels that low, is proof that their test results are way off.

    The first step in taking control over your pool is to get one of the recommended test kits (I highly recommend the TF-100 because it is a better value): http://www.troublefreepool.com/conte...its-comparison

    Having my own TF-100 test kit at home is more convenient than the pool store less than a mile from my house. I can have my water tested faster than it takes to get in my car and drive. And, my tests are more accurate. I have saved a small fortunate by doing my own tests and buying my the majority of products at non-pool stores. My test kit never closes early, or on holidays, etc.

    Going to the pool store and also trying to getting advice from here will only frustrate you. The users of this forum have no interest in taking money out of your wallet. We only want to pass on the knowledge we have learned. It is up to you to decide which way you want to go.
    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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    Join Date
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    Collierville, TN
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    Re: Pool store only says to add shock

    Quote Originally Posted by Smykowski View Post
    Pool calculator. Do you have your own test kit?
    Only discovered this forum a couple of hours ago. I've been relying on the pool store for testing. After reading a bit, I'm going to order the TF100 test kit.
    ~20,000 gal IG Gunite with Spa (No Heater at this time)
    Pentair VS-3050 3hp Variable Speed Pump
    Pentair Sand Dollar SD-60 Filter
    Pentair Rainbow In-Line Chlorinator
    Polaris 380

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    GreatCanadian's Avatar
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    Re: Pool store only says to add shock

    A good test kit is a must have. After that you can mount a proper attack with which victory is assured!!
    CYA of 1 ppm????? The CYA test is the one that pool stores are generally least accurate with.
    13'x22'x52" 8,000 gallon ProSeries Pool with Borates
    Intex 110 pound Sand Filter with Zeobrite, 2650 gph pump, 0.95 hp
    Bestway SWG
    AquaPro ECO500 50,000 BTU heat pump
    GLI Whirlwind Solar Cover Reel, TF-100 Test Kit

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    Mod Squad tim5055's Avatar
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    Re: Pool store only says to add shock

    Welcome to TFP!!

    I guess you get the drift that most here think pool store testing is really worth what you pay for it. If you don't already have one, you will need to pick up one of the recommended test kits. The pool store kits won't cut it.

    Using that Trichlor feeder (Rainbow In-Line Chlorinator uses trichlor tabs) you need to be careful not to get too high a CYA/Stabilizer level, so if you are going to follow TFPC you may be retiring it.

    Do some reading over at the Pool School and ask away with the questions.
    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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    kcindc's Avatar
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    Re: Pool store only says to add shock

    Quote Originally Posted by foosh View Post
    Only discovered this forum a couple of hours ago. I've been relying on the pool store for testing. After reading a bit, I'm going to order the TF100 test kit.
    Woohoo! You won't regret it!
    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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