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Thread: Chemical Confusion!! Please Help!!!

  1. Back To Top    #1

    Join Date
    May 2015
    Union City, Tn

    Chemical Confusion!! Please Help!!!

    Hi all. This is the 3rd year my wife and I have had this pool and our grandsons love it. Last year when we opened the pool it was so green and nasty we drained the pool and started over. (didn't close it properly) But when we opened it this year it was much better. We first added PH up, then algaecide, then shock. Water was crystal clear after a couple of days. Then we couldn't keep chlorine in it. 5lb of shock only helped for about 6 hours then it tested no chlorine. 3 bottles of bleach helped for about 8 hours then it tested no chlorine. We finally broke down and had the pool store test the water. I will try to attach the report. We added 12oz of the phosphate remover last night but this morning the water is cloudy and there is a black circle in the middle of the pool about 3 feet big. I think it might be black algae. First and foremost, can someone please recommend a good water test kit? We have a cheap kit that we bought at walmart but it only tests the ph and chlorine. Before we add anything else, can someone please advise exactly what we need to do next? Thank you for your help.

    Attached Images Attached Images
    Above Ground Pool
    24' x 52" (Steel)
    Hayward S210T Sand Filter 21"
    1hp pump

  2. Back To Top    #2
    BoDarville's Avatar
    Join Date
    Jun 2012
    DFW, Texas

    Re: Chemical Confusion!! Please Help!!!

    Welcome to TFP!

    First and foremost, can someone please recommend a good water test kit?
    Here are our Recommended Test Kits. I use the TF-100 because it's the best value and they have a freshness guarantee. You can order it here: They ship fast - you should have it in your hands in 2-3 days with normal shipping. I would make ordering this Job One.

    Next, discontinue randomly dumping chemicals into the pool and do not rely on pool store testing. That "service" is designed to get you into the store so they can sell & hook you on needless chemicals.

    Until your test kit arrives, I would simply add 2 ppm of chlorine to your pool to maintain the status-quo. Use Pool Math to determine how much chlorine to add based on the size of your pool. I would also check out the following articles to give you a high-level overview of our methods: ABCs of Pool Water Chemistry, Recommended Pool Chemicals, and FC/CYA Chart

    When your test kit arrives, post a full suite of test results and we will go from there.
    Gold Supporter, TFP Lifetime Supporter, 26,680 gal Plaster IGP 3.5 - 10' depth / Attached Waterfall Spa, Manually Chlorinated, Triton Sand Filter, 1.5 HP * 1.1 SF = 1.65 SFHP 1-speed Pentair WhisperFlo WF-26 Pump, 400K BTU NG Teledyne Laars Series One Heater, Polaris 360, Test Kit Comparison, Chlorine/CYA Chart, SLAMing Your Pool, OCLT
    A good test kit is an investment, not an expense.

  3. Back To Top    #3
    Mod Squad Texas Splash's Avatar
    Join Date
    Jun 2014
    South-Central Texas, Marion/San Antonio

    Re: Chemical Confusion!! Please Help!!!

    I second that advice! BoDarville is spot-on. Love my TF-100!
    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
    If you enjoyed your TFP experience, please consider donating to Support TFP!

  4. Back To Top    #4
    Mod Squad kimkats's Avatar
    Join Date
    Jul 2012
    Tallahassee, FL

    Re: Chemical Confusion!! Please Help!!!

    I am SO glad you found us! We can help you get and keep your pool clean and clear and safe for those wonderful Grands of yours!

    First off I want to ask you a question-----------Is the pool store test REALLY free if you have to buy all kinds of stuff to put in your pool?

    Here at TFP we can teach you to test your own pool with one of the test kits that are listed in my siggy.

    After you have your test kit just about the only thing you will need to buy to keep your pool clear is chlorine/bleach.

    Let us know when you have your test kit and we can help you from there!

    TFP Moderator 33x52 round AG 25,600 gals Sand Filter 1.5hp Pump - 2 Speed, SLAM, Pool School, Recommended Levels, Recommended Chemicals, Pool Math, Chlorine/CYA Chart, TF-100 Test Kit

  5. Back To Top    #5's Avatar
    Join Date
    May 2014
    Georgetown, ON, Canada

    Re: Chemical Confusion!! Please Help!!!

    They said you had 0 phosphates but said to use phosphate remover? And your calcium is 9? Maybe if you filled the pool with distilled water.

    If you want a good use for that pool test, fold it up into a paper airplane, and see if you can hit the garbage can with it.

    But seriously folks, for the price of some pool store chemicals, get yourself a TF-100 and take control of your pool yourself without the bad advice and costly pool store products. You will have great pride in your sparkling pool that you take care of yourself. Welcome to TFP!
    32,000L Fibreglass Leisure Pools IG 12.5'x23'x5' Pump: AstralPools BX1 1.0HP
    Filter: AstralPools ZX-310 SWCG: AstralPools VX7T
    Heater: Hayward H250FDN Test Kit: TF-100

  6. Back To Top    #6
    Divin Dave's Avatar
    Join Date
    Oct 2013
    Longview, Texas

    Re: Chemical Confusion!! Please Help!!!

    What BoDarville said is spot on. Get a recommended test kit, and completely disregard what the pool store says.
    Divin Dave,
    IG Vinyl, 15' x 30', 3 1/2' - 6' deep, Oval, ~15K gal, Intelliclor IC40, Intelliflo VS pump, Clean and Clear 420 Filter, auto-fill-disabled, Retrofit LED Color Light, Dolphin Nautilus Robot, TF100 Test Kit, Taylor K1766 Salt Test Kit, Tftestkit Pressure Gauge. Experience- it's what's learned just after you needed it most !!

  7. Back To Top    #7

    TFP Guide

    Azgirl71's Avatar
    Join Date
    Apr 2015
    Sierra Vista, Az

    Re: Chemical Confusion!! Please Help!!!

    I just wanted to say welcome to TFP! The other have you covered. The key is a good test kit.
    Intex AG vinyl 15' x 48" 4,300 gallons due to skimmer install, Krystal Clear SF pump combo 2800 GPH, Krystal Clear SWG, Pool Blaster Max vacuum, Hayward thru the wall skimmer, TF 100 test kit with speed stir, K 1766 Taylor salt test, My SLAM Process

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