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Product Q&A

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Bill from Bedminster, Nj writes

What color is Prodiamine 4L Herbicide?

The yellow color of the Barricade does stain hardscaped surfaces. So id like to find a form that is sprayable and NOT yellow in color.

Answer:

Per the Quali-Pro Prodiamine 4L Pre-Emergent Herbicide SDS sheet, this product is a bright yellow liquid. 

Answer last updated on: 10/26/2025

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Prodiamine 4L Herbicide

Prodiamine 4L Herbicide

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