Q & A

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E. Vinje

Hi Patrick –

Unopened Mycostop packages stored in a cool (at or below +8°C) and dry location have a viable shelf life of 12 months. I would think that if you sealed the package immediately after opening, and kept it cool, that you would be good to go for at least another month. Keep in mind, that Mycostop is a living organism. It does not immediately go bad once the expiration date is exceeded, but may no longer be at the strength stated on the product label.

Happy gardening!