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Thread: Reagents expiration?

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    Reagents expiration?

    How long do reagents last? I store them in my garage and I don't see an expiration on them to determine how long I've had them. I have some bottles almost completely full so more likely than not they are newer bottles. I'd rather not replace them if I don't have to but want to ensure I'm prepared before pool opening.Thank you.

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    I'm in NJ and we've had a pretty mild winter.

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    I have the TF-100 kit.
    25,000 gal
    Sand filter
    1 horsepower pump (don't know flow rate)
    14 years

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    Mod Squad woodyp's Avatar
    Join Date
    Apr 2010
    East Texas

    Re: Reagents expiration?

    Good for one year guaranteed.
    16x32x52" Steel Cornelius Miramar AGP Vinyl liner 13,100 gal. Buried 2 ft.
    2 Speed Hayward Power-Flo Matrix 85 g.p.m. 22" 250lb. sand filter hard plumbed
    Pool Rover Jr., Pool Blaster Max, Diver Dave TF100 Test Kit/Speed Stir
    Margaritaville Frozen Concoction Maker, Liqour Chiller, & Drink Mixer & Party Tub----Collect 'um all!

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    Join Date
    Jul 2011
    St. Paul, MN

    Re: Reagents expiration?

    I get new reagents every other year. I haven't ever noticed them being less accurate during the second year. After 2 years I'm usually getting low on DPD powder.
    20'x40' Oval 27,000 gallon Vinyl IG, Coverstar Auto Cover
    Hayward MaxFlo SP2303VSP, Sta-Rite PLD50 30 sq. ft. DE filter
    Rheem 266,000 btu natural gas heater
    Dolphin Nautilus Plus with Clever Clean
    TF-100 testkit w/ Speed Stir

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    JoyfulNoise's Avatar
    Join Date
    May 2015
    Tucson, AZ

    Re: Reagents expiration?

    You should not keep them the garage unless you happen to have climate control in there. The reagents are best stored indoors in a cool dry space. Exposure to high heat and/or humidity will do much more to shorten the life of your reagents then anything else.
    16k IG PebbleTec pool, 650gal spa, spillway and waterfall, 3HP IntelliFlo VS / 1.5HP WhisperFlo, Pentair QuadDE-100 filter, IC40 SWCG, MasterTemp 400k BTU/hr NG heater, KreepyKrauly suction-side cleaner Dolphin S300i robot, EasyTouch controls, city water, K-1001, K-2006 and K-1766 test kits, Mannitol test for borates

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