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Thread: Feedback on my numbers?

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    EVChargeGuy's Avatar
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    Feedback on my numbers?

    Pool is crystal clear & i don't want to mess up a good thing

    FC-3ppm
    Cc-.5
    PH-7.8
    TA--60
    CH-400
    CYA-45

    If I read the Pool Math Calc right I need to add about 117ozís of Baking soda to raise my TA to 80?
    Am I reading it right?
    IG Tear Drop, Dark Gray Gunite , 27,000 gallons -Age 50+-years, very old Hayward Split Egg Sand Filter with side mount Multi-port- Hayward SP2600VSP Pump- Hayward chlorine feed (not used since finding TFP) - Laars 315K BTU Oil heater- LoopLoc Safety cover- AquaBot RAPIDS 4WD- TF-100 Test Kit w/ Speedstir- 390 Gal Hot Springs Spa Envoy installed May 2017

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    Re: Feedback on my numbers?

    Yes, I get the same result when I input your details.

    I couldn't help but point out that your FC is below the minimum for your CYA level, I would suggest you add bleach immediately.

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    pwrstrk's Avatar
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    Feedback on my numbers?

    I agree with ^^^^^. Your FC is low.
    I would be using 50 as my CYA level and then targeting 8 and never let it fall below 4. That way your covered. When the CYA level is like yours, in between, I like to round up.
    About your TA. How does your PH behave ? Is it pretty stable or does it rise ? 😎
    Jeff
    24'x54" AG Morada RTR (by wilbar) 13'500 gal. Hayward Powerflo Matrix 1hp 2 speed. Hayward Perflex EC65 DE filter.

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    Richard320's Avatar
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    Re: Feedback on my numbers?

    The CSI is good. If your pH is stable, I'd leave it alone. If it ain't broke, keep fixing it until it is!
    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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    EVChargeGuy's Avatar
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    Re: Feedback on my numbers?

    PH stays between 7.2/5 and 7.8-
    I did throw is a couple of ‘Used up” A&H Fridge BS Boxes, 2 lbs, early last week which I guess was enough to push to the 7.8
    I’m with you Richard, I think I’ll let the PH alone for a while since I check it daily anyway

    So with my CYA @ 45ish I should push my FC to 6 or 8?
    IG Tear Drop, Dark Gray Gunite , 27,000 gallons -Age 50+-years, very old Hayward Split Egg Sand Filter with side mount Multi-port- Hayward SP2600VSP Pump- Hayward chlorine feed (not used since finding TFP) - Laars 315K BTU Oil heater- LoopLoc Safety cover- AquaBot RAPIDS 4WD- TF-100 Test Kit w/ Speedstir- 390 Gal Hot Springs Spa Envoy installed May 2017

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    pwrstrk's Avatar
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    Feedback on my numbers?

    Like I said, I like to round up to the next level if the CYA test falls in between. That way your covered for keeping your FC in a good range so you don't have an algae bloom. If you go with CYA at 50, FC level is a target of 8 and never below 4. If you go then next level down at 40 it's 7 and never below 3. 😎
    Jeff
    24'x54" AG Morada RTR (by wilbar) 13'500 gal. Hayward Powerflo Matrix 1hp 2 speed. Hayward Perflex EC65 DE filter.

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