Use dye to help you spray herbicide

Gordon's 2.5 gal. Amine 400 2 4-D Weed Killer at Tractor Supply Co.

Water-Based Dye, Dye Marker, Pesticides Marker, Herbicides Marker - Products

See & Spray™ Ultimate, Precision Ag

Get to the root of unwanted grass and pesky weeds with Torched Weed Killer. This convenient formula is ideal for gardens, flowers, mulch beds and cracks in driveways and patios. Torched Weed Killer is a non-selective formula that is easy to apply and has fast results. Southland Organics' Torched is a non-selective, all-natural weed killer. It is designed to be a powerful post-emergence natural herbicide to quickly and effectively kill weeds in an environmentally-friendly way.

Torched All Natural Weed Killer Gallon

Why Use Fall Pre-Emergents Fall Weed Control for Lawns

32 oz. Spray Dye Indicator Blue Spray Aid 75295 - The Home Depot

How and When to Apply Post-Emergent Herbicides

EveryMarket

Be Cool: Basal-spray in the fall and winter

Adios! Professional Blue Spray Dye Marker, Makes 64 Gallons of Indicator for Grass and Lawn Care, Safe for Mixing (32oz)

Dy-Mark Spray Marker Dye

Sonar RTU- Ready-To-Use Aquatic Herbicide –

PetraTools’ Blue Herbicide Lawn Dye is a highly concentrated water-soluble spray colorant that allows you to track exactly where your spray mixtures

PetraTools Blue Herbicide Lawn Dye, Super Strength Concentrate 32oz

Dandelion Doom Sunday Lawn Care

The Lawn Company