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Thread: Basic Functionality - Rainbow 320

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    Join Date
    Dec 2009
    Location
    San Antonio, Texas
    Posts
    78

    Basic Functionality - Rainbow 320

    I have a basic question on the way the Rainbow 320 works. I'm going to be gone for awhile and won't be able to add either chlorine or additional triclor tabs.

    Right now I'm running four tabs at an index level of 4 as a test, with a CYA = 40 I need to keep the FC >= 6 in order to preclude recurring mustard algae. I've been doing that for about a week, with additions of Clorox 10% in order to do so. I expect I will have to add tablets or set the index higher.

    -> Does the index indicator determine the height of the water level in the feeder tube?

    -> If, for instance, I put eight tabs in the feeder, would the tablets last twice as long or would they put out double the chlorine over the same period of time?

    I've found a few references here to the 320 (JasonLion's references to water pressure differences, mostly), but if my question has been addressed I haven't located it. Thanks.
    Jaywalker

    In-ground, 11,000 gallon, plaster, in-line trichlor pucks or BBB bottled chlorine, 1.5 HP pump @ ~100 gallons/minute, cartridge filter

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    JasonLion's Avatar
    Join Date
    May 2007
    Location
    Silver Spring, MD
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    37,879

    Re: Basic Functionality - Rainbow 320

    More tablets will last close to twice as long, with only a small effect on the rate at which chlorine is fed.
    19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
    Creator of PoolMath and Pool Calculator. Other handy links: Support this site, TF Test Kits, Pool School

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    Join Date
    Dec 2009
    Location
    San Antonio, Texas
    Posts
    78

    Re: Basic Functionality - Rainbow 320

    Thanks.
    Jaywalker

    In-ground, 11,000 gallon, plaster, in-line trichlor pucks or BBB bottled chlorine, 1.5 HP pump @ ~100 gallons/minute, cartridge filter

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