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Mark from Mt. Vernon Illinois writes

It rained 12 hours after applying SpeedZone Lawn Weed Killer Concentrate. Do I need to reapply?


Per the label, if you water your lawn or if it rains within 4 hours of an application of SpeedZone Lawn Weed Killer Concentrate it will reduce the effectiveness of the product. We usually recommend a window of 24 hours but after 12 hours if the area dried, it is still good and there's no need for you to apply again.

Answer last updated on: 03/29/2021

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