Zerotol HC

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ZeroTol® HC Fungicide - 1gal - OMRI Listed® Eliminate plant pathogens such as powdery mildew, Botrytis, and Pythium on-contact. ZeroTol HC is ideal for the indoor or hydroponics gr ower with under 500 sq. Ft. Use as a foliar spray, hard surface treatment, and in hydroponics or aquaponics systems. Active Ingredients: Hydrogen Peroxide and Peroxyacetic Acid Rate: .75 to 1 oz per gallon Controls: Algae, Powdery Mildew, Botrytis, and more Show more