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Thread: First Post/First TF-100 Test Results

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    Join Date
    Jun 2013
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    Orange County, NY
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    First Post/First TF-100 Test Results

    I've been lurking here for about a month and decided to try the BBB method, and joined this forum.
    Pool is perfectly clear right now and temp of 82 degrees. I have not started putting liquid bleach into the pool. I have been using granulated 1 lb bags of shock and 3" pucks in a floating duck.

    Current Test Results

    FC - 7.5
    CC - 0
    pH - 7.5
    TA - 120
    CH - 130
    CYA - 90

    Am I correct in guessing that I should try and get my CYA down, so that I won't have to keep my FC so high? As far as I know the only way to lower CYA as partial drain and re-fill. I'm on well water here, so draining the pool by 1/2 is not a good option for me. And I don't want to pay for water delivery. By garden hose and rainfall, I can only raise the water level a few inches a day. Should I start down that path?

    BTW, just yesterday I took the pucks out of the pool for good and added one bag of shock because it had just rained very hard and I did not have a test kit (waiting for the delivery that came today).

    Am I correct with BBB method there is no need for Chlorine pucks anymore?

    What levels should I keep my eye on and re-test daily at this point?

    Thanks in advance all!
    - Max
    __________________________________
    20k gal, inground vinyl, 1 1/2 HP Hayward SuperPump, HW Veriflow XL Sand Filter, Hayward Aqua Rite T-Cell-9, AquaComfort Heat Pump ACT-1100
    Hayward TigerShark robotic cleaner

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    Richard320's Avatar
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    Re: First Post/First TF-100 Test Results

    Welcome!

    Question: What's in that bag of "shock" you bought? If it's di-chlor, you're still raising CYA levels. If it's Cal-hypo, it will be okay, but you need to switch to bleach soon.

    Right now, if the pool is clear, you can keep it that way by maintaining FC between 7 and 10 FC. If the best you can do is a couple inches a week, do it.

    pool-school/basic_pool_care_schedule
    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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    Jun 2013
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    Orange County, NY
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    Re: First Post/First TF-100 Test Results

    It's di-chlor. Thanks for the advice. Thunderstorm coming through right now. Free fresh water for me!
    - Max
    __________________________________
    20k gal, inground vinyl, 1 1/2 HP Hayward SuperPump, HW Veriflow XL Sand Filter, Hayward Aqua Rite T-Cell-9, AquaComfort Heat Pump ACT-1100
    Hayward TigerShark robotic cleaner

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    Isaac-1's Avatar
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    May 2010
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    Re: First Post/First TF-100 Test Results

    Like Richard says keep the FC level in line for your CYA level, and stay on top of it. The sooner you get your CYA level down the less likely an event of some type will happen (storm debris in pool, pump breaks down, etc.) that may lead to an out of control algae bloom. Rainfall can help with this, but only if your rate of rainfall is faster than your rate of evaporation, if you are dependent on rainfall for water addition, you might consider rigging a tarp as a rain catch that directs water to the pool, etc. Even a couple of relatively cheap blue tarps can easily double the rain catchment area of your pool.

    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
    I use and endorse TFtestKits TF-100 from http://tftestkits.net
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    Richard320's Avatar
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    Re: First Post/First TF-100 Test Results

    Quote Originally Posted by MT
    It's di-chlor. Thanks for the advice. Thunderstorm coming through right now. Free fresh water for me!
    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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    duraleigh's Avatar
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    Re: First Post/First TF-100 Test Results

    Should I start down that path?
    Absolutely. I am on a low producing well also so I understand the need to replace gradually but you will get there sooner than you think and your pool chemistry will be much easier to manage.
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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