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William from Maple Lake, Mn writes

What is the amount of Prime Source Chlorothalonil in one gallon of water for spruce tress with rust?


Prime Source Chlorothalonil 82.5DF Select does not state a specific rate for rust on spruce trees on the product label. For more information on this, we would recommend contacting the manufacturer (Prime Source) directly at 800-247-8013.

Answer last updated on: 05/11/2021

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