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![RonDawson](https://data3.answerbase.com/answerbase/1852/UserFiles/User44682/profileImage44682.jpg?634897245130000000)
Aug 29, 2016 - 11:27 AM
The usual shelf life in unopened packages is about 5 years. If the package is opened, the shelf life will be only about 30 - 60 days. If put into water, it must be sprayed immediately, as it will not last more than a couple of days.
Ron
Ron
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