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Thread: Balancing the chemicals

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    Balancing the chemicals

    Hi everyone,

    These are my levels after FC has come down post-SLAM.
    FC 8
    CC 0
    pH 7.8
    TA 90
    CH 60
    What's the next step? Please advise.
    Thanks!
    ~20,000 gallons, IG white plaster, Cartridge filter (make unknown), Filter Pump (Jandy Stealth Model # SHPM2.0), Probably over 10 years old, Spa, non-functional SWG (bad sensor), Taylor K-2600

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    Divin Dave's Avatar
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    Re: Balancing the chemicals

    Hi calgal,

    In review of your other thread,
    Just finished SLAM, water is cloudy

    the next step, is to maintain your water chemistry by the TFP recommendations. Also to familiarize yourself with the ABC's of pool chemistry.
    Here are a couple of links for you.
    Pool School - Recommended Levels
    Pool School - ABCs of Pool Water Chemistry
    Pool School - Chlorine / CYA Chart

    You didnt mention in your test results what your CYA is, so adjust that if necessary.
    Next, your CH is way too low. You may want to retest to make sure there isnt a testing error. If its actually 60, add Calcium Chloride to bring the CH up to within recommended levels
    Your TA is OK. Dont do anything to it.
    Keep an eye on your pH. Its ok for now, but you may need to lower it over the coming days if it gets any higher.
    Maintain your FC level with bleach going forward.

    As always, use Pool Math to determine how much of something to add to reach your goal.
    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.
    www.tftestkits.net Experience- it's what's learned just after you needed it most !!

  3. Back To Top    #3

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    Re: Balancing the chemicals

    Thank you, Divin Dave!

    My CYA was 60 when I began the SLAM but it's been raining a bit and I've had to drain the pool a little bit because of a slight overflow. Do I need to recheck it?
    Thanks!

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    Re: Balancing the chemicals

    I would check it. Your SWG likes CYA around 70 ppm.

    I have no idea whats in your other thread.....it is good advise to stay in one thread so we all have your whole "story"
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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    Re: Balancing the chemicals

    So it's functioning as a chlorine pool right now as the flow sensor is bad. I'll recheck CYA as well and stay in the same thread in the future. Thanks

  6. Back To Top    #6

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    Re: Balancing the chemicals

    Hello everyone and a very happy new year!

    The pool has been doing great and I'm keeping up with the maintenance. There have been no surprises and I'm a happy camper

    My question now is, when the temps are low, do I still need to test every day? I must be honest that I have been slacking off, testing once a week but thankfully there have been no fiascos yet. In my defense, the water is SO cold, in the 50's!! What's a reasonable schedule for the winter months?

    Thanks all!
    ~20,000 gallons, IG white plaster, Cartridge filter (make unknown), Filter Pump (Jandy Stealth Model # SHPM2.0), Probably over 10 years old, Spa, non-functional SWG (bad sensor), Taylor K-2600

  7. Back To Top    #7
    Divin Dave's Avatar
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    Re: Balancing the chemicals

    Hi calgal,
    Happy New Year!

    with the water as cold as it is now, and with much lower UV exposure this time of year, Algae doesnt like to grow very quickly and your FC will not drop nearly as quickly as it does in the warmer seasons.

    Once a week testing is fine for this time of year. If after a couple of weeks you find your FC doesnt drop below recommended level, then you can stretch the testing schedule out if you want to.
    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.
    www.tftestkits.net Experience- it's what's learned just after you needed it most !!

  8. Back To Top    #8

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    Re: Balancing the chemicals

    That's great. Thank you!
    ~20,000 gallons, IG white plaster, Cartridge filter (make unknown), Filter Pump (Jandy Stealth Model # SHPM2.0), Probably over 10 years old, Spa, non-functional SWG (bad sensor), Taylor K-2600

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    Re: Balancing the chemicals

    Just be mindful that when the weather starts warming up in Spring that you don't get caught out. It's easy to slide into Winter testing mode but can be harder to wind back into more regular testing again.

    As soon as you let your FC drop below the minimum especially if you are unaware of it then you invite the algae back in.
    11 000 gallons, IG, Fibreglass, Monarch Sand Filter, Davey Typhoon C100M 1HP pump, Davey Chloromatic Mc16CTO ESR SWG, Davey Pool Wall Climba Robot, Daisy Solar Cover,
    K-2006

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    Re: Balancing the chemicals

    but can be harder to wind back into more regular testing again.
    Amen. In the past, I often noted the coming of Spring with my first algae bloom!!
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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    Patrick_B's Avatar
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    Re: Balancing the chemicals

    Quote Originally Posted by duraleigh View Post
    Amen. In the past, I often noted the coming of Spring with my first algae bloom!!
    Shame, shame on you!
    TFP Moderator
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    ABC's Of Pool Chemistry, Test Kits, SLAM Your Pool
    28K Gal IG FreeForm, CLI Quartz, Pentair 36"SF & VS Pump, Dolphin M5, Rheem

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