Mosquito Dunks and Fungus Gnats

Discussion in 'Garden Pest Management and Identification' started by PhillyPalms, Jan 14, 2010.

  1. PhillyPalms

    PhillyPalms Active Member

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    Philadelphia
    Hello,

    Does anybody know how long an unopened pack of Mosquito Dunks are good for.
    BTI ( Bacillus thuringiensis israelensis ) is the active, and I need it desperately for the gnats. I'd estimate the dunks are probably 7 years old, still sealed in the cardboard/plastic packaging. Not that I'm cheap, but I just hate to waste them, and then shlep to the garden supply shop for more.
    Gnatrol changed their formula, and no longer works. BT, WITHOUT the I, doesn't cut it.
    I did order a cedar/soap concoction called GoGnats, but still waiting for it.
    Thanks for any help in advance.
     

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