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    will38's Avatar
    will38 Posts: 3, Reputation: 1
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    #1

    Sep 9, 2008, 05:57 PM
    Pool chemicals
    Does granular shock expire
    albinfla's Avatar
    albinfla Posts: 310, Reputation: 35
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    #2

    Sep 9, 2008, 07:21 PM
    No. However, they probably should have to have an expiration. All pool chemicals lose their strength. They begin to lose it as soon as they leave the factory. When you buy chemicals, it is a good idea to buy them from someplace that sells a lot of chemicals. That way they are fresher.
    Al
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