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Professional standard - Trusted by professionals and homeowners alike to make treating your lawn for weeds and grubs a breeze.
Highly visible blue - what’s worse than spraying your land for half an hour, only to find the trail you thought you were making is non-existent? We can’t think of much! Our spray pattern indicator will leave a solid trail behind that won’t give you the blues! Big bottle, great color: simple mix half an ounce per gallon of spray solution and never lose track of where you sprayed again.

Compatible with tenacity herbicide, mesotrione, clothes, surfactant for herbicide, & all herbicides.
From our all-natural spray liquids to our battery-powered backpack sprayers, and offer the best-in-class US-based customer support for all your spraying needs. As a dependable and trusted sprayer manufacturer, PetraTools is developing the lawn solutions you need for the sprayers that get the job done right. Petratools offers guaranteed products: petratools is a family-owned & operated u. S. Helps you save and maximize liquid products and money.





1. Liquid Harvest
#ad
Fertilizer Marking Dye, Herbicide Dye, Turf Mark and Blue Herbicide Marker, Liquid Harvest Lazer Blue Concentrated Spray Pattern Indicator 8 Ounces Perfect Weed Spray Dye
#adLiquid Harvest #ad - Mix with herbicides, fungicides, pesticides, & fertilizers. Easily marks grass and lawns. Indicates where spray mixtures have been applied. Non-permanent and nonstaining. Mixes only with water based solutions, will not work with oil based.More information #ad
Brand | Liquid Harvest #ad |
Manufacturer | Liquid Harvest #ad |
Weight | 0.4 Pounds |
Part Number | 125 |
Model | 00125 |
More information #ad
2. Liquid Harvest
#ad
1, Liquid Harvest 118 Lazer Blue Concentrated Spray Pattern Indicator, Blue, Gallon
#adLiquid Harvest #ad - Non-permanent and nonstaining. Mixes only with water based solutions, will not work with oil based. Easily marks grass and lawns. Indicates where spray mixtures have been applied. Mix with herbicides, pesticides, fungicides, & fertilizers.More information #ad
Brand | Liquid Harvest #ad |
Manufacturer | Sanco Industries #ad |
Height | 10.26 Inches |
Length | 2 Inches |
Width | 4.39 Inches |
Part Number | 118 |
Model | 118 |
More information #ad
3. Liquid Harvest
#ad
32 Ounces, Liquid Harvest Lazer Blue Concentrated Spray Pattern Indicator
#adLiquid Harvest #ad - Non-permanent and nonstaining. Easily marks grass and lawns. Mixes only with water based solutions, will not work with oil based. Mix with herbicides, pesticides, fungicides, & fertilizers. Indicates where spray mixtures have been applied.More information #ad
Brand | Liquid Harvest #ad |
Manufacturer | Sanco Industries #ad |
Height | 6 Inches |
Length | 9 Inches |
Width | 6 Inches |
Part Number | 117 |
Model | 117 |
More information #ad
4. LawnStar
#ad
Multipurpose, LawnStar Blue Spray Pattern Indicator Marker Dye, Premium, Weed, Turf 32 OZ, Highly Visible Formulation Prime for Marking Herbicides, Fertilizer, Professional Ultra Concentrated
#adLawnStar #ad - Protected with the lawnstar guarantee: we understand trying new things can be tough, try it, so let us take all of the risk for you! Buy it, and if you aren't absolutely thrilled with the results you get from using our product simply contact us within 30 days of purchase and we'll give you a full refund.Professional standard - Trusted by professionals and homeowners alike to make treating your lawn for weeds and grubs a breeze.
More information #ad
Consistent spray - ideal for marking herbicides and fertilizers, smooth blue color, our ultra-concentrated solution ensures you get a steady, so you can keep track your progress easily, saving time and countless ‘did I spray there already?!’ headaches. Highly visible blue - what’s worse than spraying your land for half an hour, only to find the trail you thought you were making is non-existent? We can’t think of much! Our spray pattern indicator will leave a solid trail behind that won’t give you the blues! Big bottle, great color: simple mix half an ounce per gallon of spray solution and never lose track of where you sprayed again.
Brand | LawnStar #ad |
Manufacturer | LawnStar #ad |
More information #ad
5. Petra
#ad
Super Strength Concentrate 3X More Than Others, Fertilizer & Weed Killer, Blue Mark Spray Indicator for Home and Commercial Sprayer Use 8oz, for Herbicides, PetraTools Blue Herbicide Lawn Dye
#adPetra #ad - The perfect spray pattern dye: sprayer’s blue is perfectly designed for use with sprayers. With its extremely visible blue color, you can quickly locate the liquid products applied on your lawn and clogged nozzles or blockages in your sprayer. Saves you time spraying!3x super concentrate blue marker: petratools sprayer’s blue is a highly concentrated water soluble spray colorant for fertilizers, herbicides, and weed killer products.Compatible with tenacity herbicide, mesotrione, clothes, surfactant for herbicide, & all herbicides.
More information #ad
And with a concentrate that is 3x’s stronger, you get even more value for your money. This is a super concentrate that requires 3X’s less marker per gallon compared to other lawn dyes so that you get 3X’s the value for your money. You also avoid skipped areas, plant damage, or possible burns from inaccurate spraying of chemicals. From our all-natural spray liquids to our battery-powered backpack sprayers, and offer the best-in-class US-based customer support for all your spraying needs. As a dependable and trusted sprayer manufacturer, PetraTools is developing the lawn solutions you need for the sprayers that get the job done right. Petratools offers guaranteed products: petratools is a family-owned & operated u. S. Helps you save and maximize liquid products and money.
Brand | Petra #ad |
Manufacturer | Petra #ad |
Part Number | 001 |
More information #ad
6. Yield Titan
#ad
2 Pack Yield Titan's Vector Blue Concentrated Spray Pattern Indicator 8 Ounces Each
#adYield Titan #ad - Indicates where spray mixtures have been applied. Vector blue is non toxic to people, animals and the local environment.More information #ad
Brand | Yield Titan #ad |
Manufacturer | Yield Titan #ad |
Height | 4 Inches |
Length | 4 Inches |
Width | 4 Inches |
Part Number | Vector X2 |
More information #ad
7. Bluewater Chemgroup
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8 Ounces, Organic Herbicide Marking, Herbicide Dye, Fertilizer Marking Dye, Blue Spray Marker, Weed Spray Dye, Turf Mark and Blue Herbicide Marker
#adBluewater Chemgroup #ad - Works great with remuda & other herbicides as well as fertilizers & insecticides. Has a blue colorant that indicates where you have applied a chemical spray. Easily marks Grass and Lawns. Non permanent and Will Not Stain.More information #ad
Brand | Bluewater Chemgroup #ad |
Manufacturer | Bluewater Chemgroup #ad |
Part Number | 154 |
More information #ad
8. Yield Titan
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Yield Titan's Non-Ionic 80/20 Surfactant and Vector Blue Concentrated Spray Pattern Indicator
#adYield Titan #ad - Vector blue and surfactant will prevent you from wasting product and ensure your applications stick to desired growth. Indicates where spray mixtures have been applied. Non-ionic 80/20 Surfactant.More information #ad
This non-ionic surfactant is used for enhanced coverage and penetration of chemical sprays such as herbicides, pesticides, Fertilizers, Fungicides and Defoliants. Vector blue is non toxic to people, animals and the local environment.Brand | Yield Titan #ad |
Manufacturer | Yield Titan #ad |
Weight | 1 Pounds |
Part Number | Surfactant+Vector |
More information #ad
9. Primesource
#ad
Primesource Meso 4 SC Select with Yield Titan's Vector Blue Concentrated Spray Pattern Indicator 8 Ounces and Surfactant
#adPrimesource #ad - Vector blue and surfactant will prevent you from wasting product and ensure your applications stick to desired growth. Provides post-emergent control of tough-to-control weeds. Vector blue is non toxic to people, animals and the local environment.More information #ad
Indicates where spray mixtures have been applied. Products are 8 ounces each. Weeds controlled include crabgrass pre- and post-emergent, ground ivy, yellow foxtail, yellow nutsedge and dandelion. Not for sale to az, mt, wy, id, nv, ak, wa, or, NM, HI.Brand | Primesource #ad |
Manufacturer | Primesource #ad |
Part Number | Meso Combo |
More information #ad
10. Primesource
#ad
Primesource Quinclorac Select 75DF Herbicide, 1 Pound Drive 75, Quinstar with Yield Titan's Vector Blue Concentrated Spray Pattern Indicator and Non-Ionic Surfactant Combo Pack
#adPrimesource #ad - Post-emergent control of both broadleaf and grassy weeds in a wide variety of turf species from residential and commercial to golf courses, sports fields and sod farms. Vector blue and surfactant will prevent you from wasting product and ensure your applications stick to desired growth.More information #ad
Indicates where spray mixtures have been applied. Similar to Drive 75 and Quinstar. Vector blue is non toxic to people, animals and the local environment. Turf post Emergence Crabgrass Killer.Brand | Primesource #ad |
Manufacturer | Primesource #ad |
Part Number | Quinclorac Combo |
More information #ad