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Thread: Need advice on tests needed to perform to get help

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    Need advice on tests needed to perform to get help

    Hi all. I have decided to rid my pool store of their advice and would like to go at it on my own. I ordered the Taylor K2006 test kit a few days ago and it should arrive today. I would like to do the water tests tonight and send in my results to this forum and hopefully get advice as to what I need to do to get my water just right. Can someone please tell me which tests I should perform as a starting point. Thank you very much in advance.
    Salt Water 8000 AGP 12' X 18' X 54" - Hayward S166T 16" Sand Filter w/ 1.5HP Power-Flo Pump - Hayward Aqua Trol RJ Salt Generator System

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    Richard320's Avatar
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    Re: Need advice on tests needed to perform to get help

    Run all of 'em. If any of your results are wacky, check Extended Test Kit Directions before you dump the sample out to see if there is a reason or a fix. As an aside, the CYA test requires some really bright lighting. You might need to wait and do that during daylight, depending on how late you work.
    16K freeform gunite with spa; Pentair 4000 DE filter; Century Whisperflow 1 HP; Pentair Minimax heater.
    Troublefree does not mean Maintenancefree. It's like brushing your teeth: You can spend a couple minutes a day and pennies a week or go to the dentist once a year and spend several thousand dollars.
    A pool is like a pet - you have to feed it every day, even the days you don't want to play with it!

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    Re: Need advice on tests needed to perform to get help

    Thank you Richard. I'm going to run the tests around 6:30 tonight so its still light out. I will keep in mind what you suggested about the CYA test. Thanks
    Salt Water 8000 AGP 12' X 18' X 54" - Hayward S166T 16" Sand Filter w/ 1.5HP Power-Flo Pump - Hayward Aqua Trol RJ Salt Generator System

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    Re: Need advice on tests needed to perform to get help

    If you have some time before you post back, read "The ABC's of Pool Water Chemistry" up in Pool School.

    We will help you with getting your pool crystal clear but we don't want to just tell you how to fix it.....we want you to LEARN how and why you are adjusting your parameters.

    The idea is to keep you out of the pool store because you will have gained the knowledge you need to manage the pool yourself.
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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    Re: Need advice on tests needed to perform to get help

    Quote Originally Posted by Richard320 View Post
    If any of your results are wacky, check Extended Test Kit Directions before you dump the sample out to see if there is a reason or a fix.
    +1 on the Extended Test Kit Directions.

    On my first reading, they explained that my strange results on my pH and TA test were because I had a TA of 0 and pH of 4.5 or below. (Acid Pool!)
    The instructions with the Taylor kit didn't have anything to explain that, I just assumed I did the tests wrong at first.
    25k Gal, IG Vinyl, 26" Sand Filter, Hayward 1HP (SP-2607x10), Installed late 90s? (bought house in 2015), K-2006 Test Kit w/ SpeedStir & extra reagents from TFTestKits.com (Buying TF-100 next year instead of Taylor refills!)
    Helpful Links - Pool School - Read Everything Twice! : SLAM Procedure to clean up a green monster : CYA-FC Relation Chart : Pool Math Calculator : My First Pool Opening

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    Mod Squad pooldv's Avatar
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    Re: Need advice on tests needed to perform to get help

    Welcome to TFP!

    Here are some of my favorite Pool School articles in case you missed any of them.
    TFPC for Beginners
    ABC's of Pool Water Chemistry

    Here are the Recommended Levels for your pool.
    Here are the Recommended Pool Chemicals to maintain your pool and how to add them.
    Use PoolMath to figure out how much to add.
    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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    Re: Need advice on tests needed to perform to get help

    Hi guys, I did my tests and I think my numbers are a bit out there. Please let me know what I can do to stabilize the water. Thank you

    PH 7.8
    Alcalinity 140-150
    CYA 85
    Calcium Hardness 50-60
    FC - 12.5-13
    Combined Chlorine didnt register.

    Please be gentle. Thank you for the advice.
    Salt Water 8000 AGP 12' X 18' X 54" - Hayward S166T 16" Sand Filter w/ 1.5HP Power-Flo Pump - Hayward Aqua Trol RJ Salt Generator System

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    Richard320's Avatar
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    Re: Need advice on tests needed to perform to get help

    CYA is a bit high for a SWG. It's time to adjust pH with some acid.

    How does the pool look? If it's clear, turn down the % on the SWG or lower the pump run time. FC is too high, even for your CYA. If it's green or cloudy, it needs a SLAM and FC is too low.
    16K freeform gunite with spa; Pentair 4000 DE filter; Century Whisperflow 1 HP; Pentair Minimax heater.
    Troublefree does not mean Maintenancefree. It's like brushing your teeth: You can spend a couple minutes a day and pennies a week or go to the dentist once a year and spend several thousand dollars.
    A pool is like a pet - you have to feed it every day, even the days you don't want to play with it!

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    Re: Need advice on tests needed to perform to get help

    HI Richard. The pool looks crystal clear. Not cloudy at all. I notice some pollen on the surface when the pump isnt running. Atleast I think its pollen. When I turn on pump, it goes into the skimmer and then is gone until the the pump stops. My current % is pretty low on the salt generator. Which acid should I get and how much? Do you think I will need to remove some water and readd with fresh? I run the pump around 10 hours a day. Thanks for your help
    Salt Water 8000 AGP 12' X 18' X 54" - Hayward S166T 16" Sand Filter w/ 1.5HP Power-Flo Pump - Hayward Aqua Trol RJ Salt Generator System

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    Re: Need advice on tests needed to perform to get help

    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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    Re: Need advice on tests needed to perform to get help

    Thank you pooldv. Richard mentioned that my cya was a bit high and I needed to adjust PH with some acid. I assume I need muriatic acid to lower my PH. How do I determine how much of it to pour into the pool? I am all for learning how my pool works and want to take control but I need to get my water perfect with your help and then I can monitor and learn how to maintain it properly. Thank you
    Salt Water 8000 AGP 12' X 18' X 54" - Hayward S166T 16" Sand Filter w/ 1.5HP Power-Flo Pump - Hayward Aqua Trol RJ Salt Generator System

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    Re: Need advice on tests needed to perform to get help

    It's too early for math but I plugged your numbers in http://www.troublefreepool.com/calc.html and came up with 21 oz of 31%

    Good idea to check behind me. Especially pool size toward the bottom.
    32K gallon Plaster - 1hp Hayward 2 speed Super Pump - Hayward S200 Sand Filter - TF100XL
    Test Kits - Pool Math - Chlorine/CYA/Target/Slam Chart

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    Re: Need advice on tests needed to perform to get help

    Thank you Bruce. Based on the size of my pool, the calculator ssays I have about 6000 gallons of water. I set my FC goal to 7, PH goal to 7.5, TA goal to 100, CH goal to 260 and CYA to 70. Based on that, the math calc says I need 8.1oz of 31.45%. Does that sound like a good first step to get the chemistry right? Also, please advise if the goal levels I mentioned are the correct ones for a SWG Pool. Thank you
    Salt Water 8000 AGP 12' X 18' X 54" - Hayward S166T 16" Sand Filter w/ 1.5HP Power-Flo Pump - Hayward Aqua Trol RJ Salt Generator System

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    Re: Need advice on tests needed to perform to get help

    In poolmath, in the very last box of the chart, set it up to vinyl/tfp/swg. Unless you feel like draining a bunch of water, set CYA to 85. Then it will tell you the suggested FC level for your pool. That's what you need to fiddle with the SWG for. At the moment, you're over, so turn the SWG down or off. Adjust pH to 7.2 so you can start lowering the TA some. You don't need to add Calcium with a vinyl pool.

    Don't obsess. If the water is clear, the pH is in the safe zone, and you have chlorine above minimum and below shock level, it's swimmable. Enjoy it.
    16K freeform gunite with spa; Pentair 4000 DE filter; Century Whisperflow 1 HP; Pentair Minimax heater.
    Troublefree does not mean Maintenancefree. It's like brushing your teeth: You can spend a couple minutes a day and pennies a week or go to the dentist once a year and spend several thousand dollars.
    A pool is like a pet - you have to feed it every day, even the days you don't want to play with it!

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    Re: Need advice on tests needed to perform to get help

    Thanks Richard. When I lowered the PH to 7.2, it suggested I put in 21 oz of acid. Was that also your suggestion? Pour in the 21 oz of acid and lower or turn off my SWG as to not produce any more chlorine? Thank you
    Salt Water 8000 AGP 12' X 18' X 54" - Hayward S166T 16" Sand Filter w/ 1.5HP Power-Flo Pump - Hayward Aqua Trol RJ Salt Generator System

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    Re: Need advice on tests needed to perform to get help

    Quote Originally Posted by lasercomp View Post
    Thanks Richard. When I lowered the PH to 7.2, it suggested I put in 21 oz of acid. Was that also your suggestion? Pour in the 21 oz of acid and lower or turn off my SWG as to not produce any more chlorine? Thank you
    Yep. That's it. Make sure the pump runs at least half an hour after you add the acid.

    Tomorrow, recheck things. pH should be improved, FC should have dropped, TA might have dropped enough to show on a test, but maybe not. When FC drops down to 6 or 7, turn the SWG back on.
    16K freeform gunite with spa; Pentair 4000 DE filter; Century Whisperflow 1 HP; Pentair Minimax heater.
    Troublefree does not mean Maintenancefree. It's like brushing your teeth: You can spend a couple minutes a day and pennies a week or go to the dentist once a year and spend several thousand dollars.
    A pool is like a pet - you have to feed it every day, even the days you don't want to play with it!

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    Re: Need advice on tests needed to perform to get help

    Excellent. Thank you very much. I will send the new tests results tomorrow after letting it run.
    Salt Water 8000 AGP 12' X 18' X 54" - Hayward S166T 16" Sand Filter w/ 1.5HP Power-Flo Pump - Hayward Aqua Trol RJ Salt Generator System

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    Mod Squad pooldv's Avatar
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    Re: Need advice on tests needed to perform to get help

    Here are some of my favorite Pool School articles in case you missed any of them.
    TFPC for Beginners
    ABC's of Pool Water Chemistry

    Here are the Recommended Levels for your pool.
    Here are the Recommended Pool Chemicals to maintain your pool and how to add them.
    Use PoolMath to figure out how much to add.
    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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    Re: Need advice on tests needed to perform to get help

    I'm going to apologize in advance for asking what might be a stupid question. I just bought a gallon 128 fl oz of muriatic acid. The math sheet said to put in 21 oz of acid. Does that mean I am only putting in around 1/6th of that gallon? It just seems too small of amount for a 6000 gallon pool. Please confirm before I make a monumental error. Thank you
    Salt Water 8000 AGP 12' X 18' X 54" - Hayward S166T 16" Sand Filter w/ 1.5HP Power-Flo Pump - Hayward Aqua Trol RJ Salt Generator System

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    Richard320's Avatar
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    Re: Need advice on tests needed to perform to get help

    Quote Originally Posted by lasercomp View Post
    I'm going to apologize in advance for asking what might be a stupid question. I just bought a gallon 128 fl oz of muriatic acid. The math sheet said to put in 21 oz of acid. Does that mean I am only putting in around 1/6th of that gallon? It just seems too small of amount for a 6000 gallon pool. Please confirm before I make a monumental error. Thank you
    Yep, that's right. My pool is twice as big as yours, and when it needs acid, it usually only gets 12 or 16 oz at a time. (My TA is lower, so it takes less acid to move pH) A little goes a long way.
    16K freeform gunite with spa; Pentair 4000 DE filter; Century Whisperflow 1 HP; Pentair Minimax heater.
    Troublefree does not mean Maintenancefree. It's like brushing your teeth: You can spend a couple minutes a day and pennies a week or go to the dentist once a year and spend several thousand dollars.
    A pool is like a pet - you have to feed it every day, even the days you don't want to play with it!

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