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Thread: Dosage on Polyquat?

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    Dosage on Polyquat?

    I need to order some Polyquat in preparation for pool closing. Can some please let me know what the dosage is? I'm trying to get some idea of how much I need to order. Thanks!
    18x36 Vinyl In-ground w/roman ends 27,400G, Hayward 3/4hp with 300# sand filter. Hayward heat pump heater

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    Butterfly's Avatar
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    Re: Dosage on Polyquat?

    PolyQuat 60 is the only one recommended on TFP - Quick Google found this - just scroll down to 'application':

    http://www.spaandpooldepot.com/index.ph ... 2g5cp06204
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    donaldm823's Avatar
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    Re: Dosage on Polyquat?

    Quote Originally Posted by BadOleRoss
    I need to order some Polyquat in preparation for pool closing. Can some please let me know what the dosage is? I'm trying to get some idea of how much I need to order. Thanks!
    I use Poly-60 4oz per week all pool season and then close it with 1 qt (I have a 30000 gal pool). The pool servcie also puts in 1 gal of winter algecide and puts in a chlorine long term floater that floats around under the pool cover
    Don SW Florida
    10,000 gal in ground concrete pool
    Pentair Cartridge filter, Pentair SWG, Pentair Intelliflow VS pump (11018)
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    using BBB for pool chemistry/Lamotte ColorQ tester for daily testing

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    Re: Dosage on Polyquat?

    Will it do any harm to overdose the polyquat? I have 2 qts right now and am wondering if more is better?
    18x36 Vinyl In-ground w/roman ends 27,400G, Hayward 3/4hp with 300# sand filter. Hayward heat pump heater

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    Re: Dosage on Polyquat?

    The bottle I use says to dose 4oz per 10,000 gal per week.
    7,500 gal, IG pool, L shape 22' x 15', 1.5 hp pump, cartridge filter, AquaPlus SWG/Controller, Pebble-Tec liner.

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    ivyleager's Avatar
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    Re: Dosage on Polyquat?

    Quote Originally Posted by BadOleRoss
    Will it do any harm to overdose the polyquat? I have 2 qts right now and am wondering if more is better?
    I use 4oz weekly for maintenance; when I close I pour in 1/2 bottle.
    CaryB
    36 x 18 IG vinyl, 25K, 1 HP pump, sand filter
    1 skimmer, 2 returns, no main drain
    Old school: PoolSolutions test kit

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    Re: Dosage on Polyquat?

    I guess a full bottle will be plenty then, I shelve the 2nd bottle!
    18x36 Vinyl In-ground w/roman ends 27,400G, Hayward 3/4hp with 300# sand filter. Hayward heat pump heater

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    Re: Dosage on Polyquat?

    Overdosing doesn't do harm, but it will consume chlorine. So if you were intending on also closing with chlorine, just note that you should check it again in a week and add more chlorine if it's dropped too much. See this post for closing instructions from Buckman Laboratories, the makers of Polyquat. They are not allowed to recommend anything higher than the maximum noted on the label since that is how it is registered with the EPA.
    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
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    Re: Dosage on Polyquat?

    Last season I dumped a whole bottle of polyq 60 in my 10,000 gal pool. I had no issues on opening, even though my cover melted from reflection off of neighbors windows. I opened to a clear pool
    15'X30'X52" AGP AquaSports Grande Buttress Free (10,620 Gallons), Hayward Dreamline S190 W Zeobrite, 1.5 HP Hayward PowerFlo LX, AquaLuminator Light+ fountain attachment, Pool Rover, Tf-100 test kit, Speed Stir.

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    Re: Dosage on Polyquat?

    Ya know, for the $16 that the extra bottle cost me I think I am going to add it to the pool. The day before I close I will add the polyquat to the pool and bring it up to shock level, the day of closing I will make sure the pool is still at shock level and close it down.
    18x36 Vinyl In-ground w/roman ends 27,400G, Hayward 3/4hp with 300# sand filter. Hayward heat pump heater

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