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Thread: Pool Store Test Results

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    Join Date
    Jun 2015
    Location
    Cedar Run NJ
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    Pool Store Test Results

    Hello All, I am new at this and any help is much appreciated.

    Tested water at local pool store and below are results:
    FC-0.58ppm/ recommended 2-4ppm
    TC-0.84ppm/ recommended 2-4ppm
    Combined 0.26 recommended 2-4
    PH- 7.1 recommended 7.2-7.8
    Hardness 135ppm recommended 175-350
    Alkalinity 33ppm recommended 80-120 ppm
    CYanuric Acid 148ppm recommended 30-50
    Copper0.4ppm recommended 0-0.2
    Iron 0.2 recommended 0-0.3

    was told to add 1qt 1pt 6oz. Copper Sequestering
    27lb 2.1oz Alkalinity
    1lb 5.6oz PH Increaser
    21lb 15oz. Calcium Hardener
    13.2oz Cal Hypo

    Im sorry for the long post but any recommendations?

    PS: What a fantastic Site!!!
    17x37 IG 20,000 gallons Pro Grid DE Hayward filter, Lighted waterfall with slide use BBB.

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    Texas Splash's Avatar
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    Re: Pool Store Test Results

    Yankees, welcome! You'll hear this sooooooo much on TFP .... stay away from the pool stores for advice. They will not do you justice - inconsistent testing and products you don't need. You MUST get a good test kit for yourself - that's priority 1. See my sig below for TF-100 or Taylor K2006. But get one right away. We need "good" test results, not the store. If you read the links below in my sig, it will help you get started (Pool School, Recommend Levels, etc). Welcome!

    - - - Updated - - -

    PS ~ How does your water look? When was your pool filled?
    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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  3. Back To Top    #3

    Join Date
    Jun 2015
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    Cedar Run NJ
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    Re: Pool Store Test Results

    Thanks Tex, pool is clear and have already orderered a TFP, was going to start adding baking soda but will wait until I test with the TFP kit.
    17x37 IG 20,000 gallons Pro Grid DE Hayward filter, Lighted waterfall with slide use BBB.

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    Isaac-1's Avatar
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    May 2010
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    SW Louisiana
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    Re: Pool Store Test Results

    First off keep in mind pool store testing is primarily used by the pool store as a tool to sell you chemicals, it is not there to make your pool water perfect, so most pool stores don't really care if they get the test results right. Afterall what is the worst that can happen if they get it a bit wrong, they get to sell you something next week to make up for it. This is not to say that pool store testing is always wrong, but the situation is bad enough to many of us here are very reluctant to give advice based on pool store numbers. If you want to observe this yourself take a water sample, split it into 3 parts and take each to a different pool store for free testing and compare the results, for bonus points repeat weekly for 3 weeks and see that not only do they differ from each other, but are inconsistent even with themselves. You can see this by tracking over time certain levels like CYA and CH which only go up without water replacement. as they bobble back in forth all over the map.

    The solution to this problem is to buy a quality test kit, I suggest the TF-100 see link in my signature, and do the water testing yourself, and with just a little practice you can achieve far more accurate results than the pool stores. You may ask why yours will be more accurate, the simple answer is because you care and take the time to do it right. For example when counting out drops waiting for a color change to happen like on the CH test, you can take your time and count 1 drop at a time, instead of trying to squeeze out 10 drops per second and keeping up with when you hit the right number. Or on the CYA test which requires correct lighting for optimal results, you can go outside when the sun is out to get the best results.

    With your own quality test kit you can get reliable numbers, with reliable numbers it is easy to get the water balanced with just a basic understanding of water chemistry which we can help you with.

    Now I will try to answer your questions assuming the pool store tests are right, I would suspect your pool is looking very cloudy, perhaps turning a bit green by this point since the FC is way too low for the reported CYA level. A CYA level that is roughly 3 times higher than our suggested range, if you will note my comment above CYA can only be effectively lowered with water replacement, this means you need to drain 2/3 of your pool water and refill as the first step. Given you have a vinyl liner pool they would likely need to be done in multiple partial drain refill cycles as you should always leave at least a foot of water over the floor of a vinyl pool the keep the liner from lifting.

    Now should you do this, who knows, is your CYA really around 150, or is it 250, or for that matter 50?

    You could take a water sample to other pool stores and get other answers, but which one is right?

    Or you could order one of the suggested test kits, test for yourself, and retest until you are confident in your results and then know what needs to be done.

    Ike

    ps someone just started yet another pool store test comparison thread yesterday Commercial Test Comparisons
    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
    I use and endorse TFtestKits TF-100 from http://tftestkits.net
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  5. Back To Top    #5
    Texas Splash's Avatar
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    Re: Pool Store Test Results

    Yankees, glad to know you have the kit on order. I would refrain from putting anything in your pool right now until your kit arrives and you know "exactly" what your real test readings are. Until then, each day simply put about 1/2 - 1 gallon of regular bleach in the pool and circulate just to prevent anything from "trying" to grow. If you have tablets (pucks) in your pool, remove them right away - they raise your CYA to a bad level. When your kits arrives, we need to see the following results right away to confirm:
    FC - Free Chlorine (good sanitizer)
    CC - Combined chlorine (trash)
    PH
    TA - Alkalinity
    CYA - Stabilizer
    CH - Hardness

    Keep in touch!
    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!

  6. Back To Top    #6
    Mod Squad tim5055's Avatar
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    May 2014
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    Re: Pool Store Test Results

    For now, I would pour a bottle of plain bleach in the pool each day until you get your test kit. Start researching water replacement options. I don't know how your area works, you may just use your hose/city water or you may need to,have water delivered.

    As Isaac says IF the store testing is even close, you will need to replace a lot of water.

    Now, I'll go,off,script a little. When I purchased my house/pool I discovered my CYA was over 200. My water was clear and I did not have a chlorine loss to indicate something growing that I didn't see. So, for over a year I was religious about keeping my FC where it needed to be so nothing could start to grow. I harvested rain water form roof gutters, I backwash do little longer than I needed to and as I replaced water my CYA slowly came down.

    The test kit is your key.
    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

  7. Back To Top    #7

    Join Date
    Jun 2015
    Location
    Cedar Run NJ
    Posts
    17

    Re: Pool Store Test Results

    Thank You for your quick replies, my water is actually clear and I have ordered my tester.
    17x37 IG 20,000 gallons Pro Grid DE Hayward filter, Lighted waterfall with slide use BBB.

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