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Thread: Going from bromine to chlorine

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    RyanMcC's Avatar
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    Aug 2013
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    NH
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    Going from bromine to chlorine

    We finally went with the TFPC system in our pool and it's THE BOMB. LOVE IT.

    Our hot tub is a bromine system and we hadn't quite got the knack of that. It's time to drain and we'll install an ozonator we bought this weekend.

    Two questions-

    1. Should we convert to chlorine after we empty, too?

    2. How much harder is it to do TFPC on the hot tub? It gets daily use but is not outside so no sun. Are there big differences in care steps? The TFPC method is laid out so well for pools, but I have a cloud of confusion about the hot tub.

    Thanks for any help!
    "...chemistry is not an exact science" -Mario Andrada, Rio 2016 Olympics spokesman
    21' x 52" Radiant Metric Round ~10K gal AGP with Hayward S180t pump/sand filter.
    Caldera (Watkins) Martinique 340 gallon installed in basement, Bromine and ozone.
    Taylor K-2006 test kit.

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    cowboycasey's Avatar
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    Re: Going from bromine to chlorine

    I wish I knew but I am just not sure, I was going to do the same thing later this fall (SWG) .. Maybe Chem_geek will be able to help.
    Pool: Intex 16x32 15000 gal, 2 speed 340042, Pentair CC320 Filter, CircuPool SJ45 Salt System, Intermatic PE653RC; Hot Tub: 650 Gal SWG Megachlor
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    Join Date
    Mar 2007
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    San Rafael, CA USA
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    Re: Going from bromine to chlorine

    Ozone depletes chlorine (and vice versa) so if you use an ozonator than a bromine spa is easier unless you use the spa every day or two in which case chlorine would still work. How often do you plan to use the spa? You can see the stickies at the top of this "Spas and Hot Tubs" forum section for chlorine and bromine.
    16,000 gallon outdoor in-ground 16'x32' plaster pool; Pentair Intelliflo VF pump; Pentair IntelliTouch i9+3s control system; Jandy CL-340 square foot cartridge filter
    12 Fafco solar panels; Purex Triton PowerMax 250 natural gas heater (200,000 BTU/hr output); automatic electric pool safety cover; 4-wheel pressure-side "The Pool Cleaner"

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    RyanMcC's Avatar
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    Aug 2013
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    NH
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    Re: Going from bromine to chlorine

    Thanks! I confess I didn't read the stickies and will. My husband has Rheumatoid Arthritis and is in the tub twice per day. I am usually in once. Kids, sometimes. It's in the basement so weather doesn't reduce the days. So it sees a lot of action. I'm glad I posted- I didn't know that about chlorine and ozonators. Off to the stickies.
    "...chemistry is not an exact science" -Mario Andrada, Rio 2016 Olympics spokesman
    21' x 52" Radiant Metric Round ~10K gal AGP with Hayward S180t pump/sand filter.
    Caldera (Watkins) Martinique 340 gallon installed in basement, Bromine and ozone.
    Taylor K-2006 test kit.

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