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Thread: FC and weather

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    FC and weather

    First time with a pool in years and first time with TFP. Opened pool about a month ago. A few weeks ago added a gallon of bleach, a few days later got the SWG going. I started with 50% then kept dialing down the percentage. On 5/4/17 fc was 12ppm, I shut off SWG till fc fell on its own to target of 5....as of today
    Fc=10.5
    cc=0
    ph=7.8
    ch=240
    cya=80
    salt=3200
    weather has been mainly in low 60's, some warmer days some colder, some rain, some full days of sun, swam 1 day, had solar cover off 2 full days in full sun. My question is it normal for the fc to hold so well? With the fc being over 10, is my ph reading accurate ?
    Rick, Fiberglass.....14 x 30 Viking Laguna - 10,000 gal. Pentair cartridge filter, gas heater, Swg, variable speed pump, Easytouch control system.
    k2006c, k1766

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    Mod Squad jblizzle's Avatar
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    Re: FC and weather

    Your pH is probably pretty close, we like the FC < 10 to test the pH.

    You FC is going to fluctuate with the weather and with the use of a cover. When cloudy or when the cover is on, you are going to lose less FC to the sun and the FC will climb.

    Wait, Are you saying that your SWG has been turned off since 5/4? Because only dropping from 12 to 10.5 is basically impossible over 8 days with no chlorine being added.
    Jason, TFP Moderator
    18k IG pebblesheen pool, Hayward ProLogic P4 w/ T-15 SWG, Pentair 1HP 2-speed Superflo, Hayward 6020 DE filter
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    Re: FC and weather

    That's what iam questioning. Fc basically hasn't dropped much in almost 2 weeks. Just checked again and in the easy touch, intelichlor states "enable-no". It's off correct? It was still listed at 10% so I changed it to 0 to make sure.
    Rick, Fiberglass.....14 x 30 Viking Laguna - 10,000 gal. Pentair cartridge filter, gas heater, Swg, variable speed pump, Easytouch control system.
    k2006c, k1766

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    Re: FC and weather

    Ok, so here it is four days later, FC sits at 10.5......It will not drop. Today solar cover off. Air temp 86, bright sun with swimmers in pool most of day. Still no change. Intelliflo is set to "enable-no" percentage set to zero. It's been like that for over a week. I have not added anything.... the only thing I can think of is that the chlorinator is still producing although it's turned off in menu. There is a circuit breaker marked chlorinator. Will there be any problems or reprocussions if I turn breaker off to find out if that's the problem? Then turn it back on in a few days if FC drops.
    Rick, Fiberglass.....14 x 30 Viking Laguna - 10,000 gal. Pentair cartridge filter, gas heater, Swg, variable speed pump, Easytouch control system.
    k2006c, k1766

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    Mod Squad jblizzle's Avatar
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    Re: FC and weather

    The SWG has to still be running.

    I can not think why the chlorinator would have a breaker ... that does not make sense. Is your SWG controller not part of the Easytouch?
    Jason, TFP Moderator
    18k IG pebblesheen pool, Hayward ProLogic P4 w/ T-15 SWG, Pentair 1HP 2-speed Superflo, Hayward 6020 DE filter
    500 sqft Heliocol solar panels, ThePoolCleaner, TF-100 test kit w/ SpeedStir
    Pool School + Test Kit + PoolMath = A TROUBLE FREE POOL
    If you found TFP helpful and we saved you money ... Become a TFP Supporter!

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    Mod Squad Jimrahbe's Avatar
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    Re: FC and weather

    The small breakers in the upper right of the Easytouch are for self protection. So if someone shorts out the valve wiring the "Valve" CB will pop. The one marked "chlorinator" is there to protect the SWCG power supply inside the ET.

    I would not think turning it off would hurt, but see no reason to do so. Just set output percentage to 0...

    Thanks,

    Jim R.
    Finished in 2015 - 17K Gal, IG, 20' x 25' Almost Rectangular Pool, Pebble finish, three rockport water falls. Pentair Equipment: EasyTouch 4, IC40 SWG, 3 HP VS Pump, CCP520 Cartridge Filter.
    TF100 with SpeedStir and SampleSizer, ColorQ Pro 7, Dolphin Premier Robot Cleaner, added Screen Logic 2, added small 3 person Caldera Spa.

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    Re: FC and weather

    Jim, I set output to zero a week ago.... don't know what else to try.
    Rick, Fiberglass.....14 x 30 Viking Laguna - 10,000 gal. Pentair cartridge filter, gas heater, Swg, variable speed pump, Easytouch control system.
    k2006c, k1766

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