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Thread: Deciding on New Pool Build Equipment Chlorine automatic dispenser

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    Join Date
    Feb 2015
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    Deciding on New Pool Build Equipment Chlorine automatic dispenser

    We are building a SWG pool and one of the PBs we talked to said we should not use the SWG cell during the winter off-season and switch to a Chlorine tablet dispenser thing. His reason was to save the SWG cell wear and tear, but we will be using the spa year round so this doesn't make a lot of sense to me. I think he said we can also turn off the salt cell when we go on vacation and use the chlorine puck dispenser thing. Does that make sense to anyone? Are the chlorine tablet dispensers expensive, and where do they go? Next to the pool or by the equipment?

    Thanks,
    Millty

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    Divin Dave's Avatar
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    Oct 2013
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    Longview, Texas
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    Re: Deciding on New Pool Build Equipment Chlorine automatic dispenser

    Hi Millty,
    the reason the PB told you that, is because when the water temp gets around 50ish degrees, its too cold for the chemical reaction in the salt cell to work. So chlorine generation ceases with a SWG.

    Also, even if the SWG is working with lower water temps, algae doesnt grow very fast and teh sun generally has a lower UV in winter, so the chloring lasts a lot longer. It would be easy enough to overchlorinate the pool with a SWG if you didnt keep your eye on it.

    TFP doesnt generally recommend using chlorine tablets because they also add other things to the water that may not be desireable. You need to understand how different chemicals effect your pool before you use them. Once you understand it a bit, then the tabs can be very useful on occasion.

    We recommend using liquid chlorine instead of tabs in the winter when the water is too cold for the SWG to work. Liquid chlorine does not add anything other than chlorine and a tad bit of salt to the water, and its generally less costly than using tabs as a chlorine source.

    There are two main designs of chlorine tab feeders. One installs into the plumbing just past the filter, or heater if you have one. The other is a floating tab despenser which floats around in the pool.

    The built in tab feeders are a couple hundred dollars or so, the floating ones, which I would recommend for temporary tab chlorination once you learn the chemistry better, are very cheap.
    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 !!

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    Smile Re: Deciding on New Pool Build Equipment Chlorine automatic dispenser

    Quote Originally Posted by Divin Dave View Post
    Hi Millty,
    the reason the PB told you that, is because when the water temp gets around 50ish degrees, its too cold for the chemical reaction in the salt cell to work. So chlorine generation ceases with a SWG.

    Also, even if the SWG is working with lower water temps, algae doesnt grow very fast and teh sun generally has a lower UV in winter, so the chloring lasts a lot longer. It would be easy enough to overchlorinate the pool with a SWG if you didnt keep your eye on it.

    TFP doesnt generally recommend using chlorine tablets because they also add other things to the water that may not be desireable. You need to understand how different chemicals effect your pool before you use them. Once you understand it a bit, then the tabs can be very useful on occasion.

    We recommend using liquid chlorine instead of tabs in the winter when the water is too cold for the SWG to work. Liquid chlorine does not add anything other than chlorine and a tad bit of salt to the water, and its generally less costly than using tabs as a chlorine source.

    There are two main designs of chlorine tab feeders. One installs into the plumbing just past the filter, or heater if you have one. The other is a floating tab despenser which floats around in the pool.



    The built in tab feeders are a couple hundred dollars or so, the floating ones, which I would recommend for temporary tab chlorination once you learn the chemistry better, are very cheap.
    I like using tablets in SWG pools and here's why:

    1) They ADD to the conditioner level, which salt water pools need.
    2) They lower the pH of the water, which assists the balancing of SWG pools.
    3) They add chlorine, of course, which is why we're using them.

    It's my opinion that Trichlor Tabs go hand-in-hand with salt water pools.

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