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You also avoid skipped areas, or possible burns from inaccurate spraying of chemicals. 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.
Saves you time spraying! Compatible with tenacity herbicide, mesotrione, clothes, surfactant for herbicide, & all herbicides. Saves chemical solution and money: by having a blue indicator, you prevent over-spraying or overlapping liquid applications. 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. 100% safe to use, sprayer’s blue is formulated with non-irritating ingredients - our spray marker is 100% safe to use around people, and the environment.




It works by breaking down waxy surfaces for better liquid application. Quickly fades: no need to worry about seeing your yard blue for a long time! Our blue turf mark will fade in 24-48 hours. Easy identification of liquid applications: petratools sprayer’s blue is a highly concentrated water soluble spray colorant for fertilizers, and weed killer products.
Your children and cats or dogs will have a great time playing on your lawn. With its extremely visible blue color, herbicides, you can quickly locate the liquid products applied on your lawn and clogged nozzles or blockages in your sprayer. Saves you time spraying! Better liquid solution application: petratools sprayer’s surfactant for Herbicides is formulated to allow solutions to penetrate the plants more effectively. 100% safe to use: formulated with non-irritating ingredients, our spray marker is 100% safe to use around people, pets, and the environment.




Safely fades away — your blue grass dye is 100% safe around your family, pets, and plants. This dye will gradually fade over time with sun and moisture. You never have to go over your lawn twice to find the spots you've missed.
For any lawn & garden — mix the concentrated dye with any liquid lawn fertilizer, herbicide sprayer. So you only mark your grass blue and not everything else. Target those weeds without harming your grass or plants. One 8oz bottle will provide enough sprayer marker dye for 23 gallons of solution. Just add 3 pipettes 10ml to your garden sprayer and treat any problem areas quickly. So you can use the same 8oz bottle for your plant fertilizer.
1. Liquid Harvest
#ad
Fertilizer Marking Dye, Liquid Harvest Lazer Blue Concentrated Spray Pattern Indicator 8 Ounces Perfect Weed Spray Dye, Turf Mark and Blue Herbicide Marker, Herbicide Dye
#adLiquid Harvest #ad - Indicates where spray mixtures have been applied. Mix with herbicides, pesticides, fungicides, & fertilizers. Easily marks grass and lawns. Mixes only with water based solutions, will not work with oil based. Use extreme caution when storing, handling & pouring! extremely Concentrated Solution! .More information #ad
Brand | Liquid Harvest #ad |
Manufacturer | Liquid Harvest #ad |
Weight | 0.4 Pounds |
Part Number | 125 |
Model | 00125 |
More information #ad
2. Petra
#ad
Fertilizer & Weed Killer, Super Strength Concentrate 3X More Than Others, for Herbicides, Blue Mark Spray Indicator for Home and Commercial Sprayer Use 32 oz, PetraTools Blue Herbicide Lawn Dye
#adPetra #ad - The perfect spray pattern dye: sprayer’s blue is perfectly designed for use with sprayers. Petratools offers guaranteed products: petratools is a family-owned & operated u. S. Quickly fades: no need to worry about seeing your yard blue for a long time! Our blue turf mark will fade in 24-48 hours. As a dependable and trusted sprayer manufacturer, pets, PetraTools is developing the lawn solutions you need for the sprayers that get the job done right.You also avoid skipped areas, or possible burns from inaccurate spraying of chemicals. 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.
More information #ad
3x super concentrate blue marker: petratools sprayer’s blue is a highly concentrated water soluble spray colorant for fertilizers, herbicides, and weed killer products. And with a concentrate that is 3x’s stronger, plant damage, you get even more value for your money. Saves you time spraying! Compatible with tenacity herbicide, mesotrione, clothes, surfactant for herbicide, & all herbicides. Saves chemical solution and money: by having a blue indicator, you prevent over-spraying or overlapping liquid applications. 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. 100% safe to use, sprayer’s blue is formulated with non-irritating ingredients - our spray marker is 100% safe to use around people, and the environment.
Brand | Petra #ad |
Manufacturer | Petra #ad |
Weight | 2.4 Pounds |
Part Number | 001 |
More information #ad
3. Liquid Harvest
#ad
1 Gallon 128 Ounces, Herbicide Dye, Fertilizer Marking Dye, Turf Mark and Blue Herbicide Marker, Liquid Harvest Lazer Blue Concentrated Spray Pattern Indicator, Perfect Weed Spray Dye
#adLiquid Harvest #ad - Easily marks grass and lawns. Mix with herbicides, fungicides, pesticides, & fertilizers. 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 | Sanco Industries #ad |
Height | 10.26 Inches |
Length | 2 Inches |
Weight | 8 Pounds |
Width | 4.39 Inches |
Part Number | 118 |
Model | 118 |
More information #ad
4. Bluewater Chemgroup
#ad
Weed Spray Dye, Turf Mark and Blue Herbicide Marker, Fertilizer Marking Dye, Herbicide Dye, Blue Spray Marker, 8 Ounces
#adBluewater Chemgroup #ad - Easily marks Grass and Lawns. Has a blue colorant that indicates where you have applied a chemical spray. Works great with remuda & other herbicides as well as fertilizers & insecticides. Non permanent and Will Not Stain.More information #ad
Brand | Bluewater Chemgroup #ad |
Manufacturer | Bluewater Chemgroup #ad |
Weight | 0 Pounds |
Part Number | 154 |
More information #ad
5. Liquid Harvest
#ad
Perfect Weed Spray Dye, Turf Mark and Blue Herbicide Marker, Fertilizer Marking Dye, Herbicide Dye, Concentrated Spray Pattern Indicator, 32 Ounces, Liquid Harvest Lazer Blue
#adLiquid Harvest #ad - Mix with herbicides, fungicides, pesticides, & fertilizers. Indicates where spray mixtures have been applied. Easily marks grass and lawns. Non-permanent and nonstaining. Mixes only with water based solutions, will not work with oil based.More information #ad
Brand | Liquid Harvest #ad |
Manufacturer | Sanco Industries #ad |
Height | 6 Inches |
Length | 9 Inches |
Weight | 2 Pounds |
Width | 6 Inches |
Part Number | 117 |
Model | 117 |
More information #ad
6. Petra
#ad
PetraTools Blue Herbicide Lawn Dye 8Oz and Sprayer's Surfactant for Herbicides 8Oz
#adPetra #ad - That’s why we recommend using the surfactant with our battery Sling Sprayer, LT-PRO, HD4000, HD3000, HD5000, or HD4050. It’s ideal for use with weed killers and other herbicides, fungicides, insecticides, fertilizers, and many more. It naturally disappears with rainfall and exposure to sunlight and doesn’t stain your shoes, clothes, or pets.It works by breaking down waxy surfaces for better liquid application. Quickly fades: no need to worry about seeing your yard blue for a long time! Our blue turf mark will fade in 24-48 hours. Easy identification of liquid applications: petratools sprayer’s blue is a highly concentrated water soluble spray colorant for fertilizers, and weed killer products.
More information #ad
Works best with petratools sprayers: applying herbicides and other liquid plant treatments can be quick and more effective when used with a durable and quality-tested sprayer. Your children and cats or dogs will have a great time playing on your lawn. With its extremely visible blue color, herbicides, you can quickly locate the liquid products applied on your lawn and clogged nozzles or blockages in your sprayer. Saves you time spraying! Better liquid solution application: petratools sprayer’s surfactant for Herbicides is formulated to allow solutions to penetrate the plants more effectively. 100% safe to use: formulated with non-irritating ingredients, our spray marker is 100% safe to use around people, pets, and the environment.
Brand | Petra #ad |
More information #ad
7. Bluewater Chemgroup
#ad
Herbicide Dye, Blue Spray Marker, 32 Ounces, Weed Spray Dye, Organic Herbicide Marking, Fertilizer Marking 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. Non permanent and Will Not Stain. Easily marks Grass and Lawns.More information #ad
Brand | Bluewater Chemgroup #ad |
Manufacturer | Bluewater Chemgroup #ad |
Part Number | 00154 |
More information #ad
8. Liquid Harvest
#ad
Liquid Harvest Lazer Green Concentrated Spray Pattern Indicator, Perfect Weed Spray Dye, Herbicide Dye, Turf Marker and Herbicide Marker, Fertilizer Marking Dye, 1 Quart 32 Ounces
#adLiquid Harvest #ad - Mix with herbicides, fungicides, pesticides, & fertilizers. Indicates where spray mixtures have been applied. Mixes only with water based solutions, will not work with oil based. Easily marks grass and lawns. Non-permanent and nonstaining.More information #ad
Brand | Liquid Harvest #ad |
Manufacturer | Sanco Industries #ad |
Height | 10.27 Inches |
Length | 3 Inches |
Weight | 2 Pounds |
Width | 4.4 Inches |
Part Number | 123 |
Model | 123 |
More information #ad
9. Liquid Harvest
#ad
Liquid Harvest Lazer Green Concentrated Spray Pattern Indicator, 1 Gallon 128 Ounces, Perfect Weed Spray Dye, Herbicide Dye, Fertilizer Marking Dye, Turf Marker and Herbicide Marker
#adLiquid Harvest #ad - Easily marks grass and lawns. Non-permanent and nonstaining. Indicates where spray mixtures have been applied. Mix with all water based chemical solutions for marking. Mixes only with water based solutions, will not work with oil based.More information #ad
Brand | Liquid Harvest #ad |
Manufacturer | Sanco Industries #ad |
Weight | 8 Pounds |
Part Number | 00120 |
Model | 00120 |
More information #ad
10. Maplefield
#ad
Blue Spray Indicator Dye for Weed Spraying & Lawn Fertilizer, Mark Where You've Sprayed with Blue Dye for Herbicide Spray, Safe & Non-Permanent Herbicide Dye with Pipette for Easy Mixing, 8oz
#adMaplefield #ad - Mixing without the mess — you won't spill a drop trying to measure out this turf mark blue dye. Never miss a spot — this blue colorant lawn dye makes lawn and garden maintenance a breeze. Each bottle comes with a pipette for careful and easy measuring.Safely fades away — your blue grass dye is 100% safe around your family, pets, and plants. This dye will gradually fade over time with sun and moisture. You never have to go over your lawn twice to find the spots you've missed.
More information #ad
Always wear gloves while spraying and ensure your hands stay clean. Hyper-concentrated formula — get more out of each bottle. Now you can see exactly where you've sprayed and reduce waste. For any lawn & garden — mix the concentrated dye with any liquid lawn fertilizer, herbicide sprayer. So you only mark your grass blue and not everything else. Target those weeds without harming your grass or plants. One 8oz bottle will provide enough sprayer marker dye for 23 gallons of solution. Just add 3 pipettes 10ml to your garden sprayer and treat any problem areas quickly. So you can use the same 8oz bottle for your plant fertilizer.
Brand | Maplefield #ad |
Manufacturer | Maplefield #ad |
Height | 2 Inches |
Length | 10 Inches |
Width | 2 Inches |
Part Number | 810088272479 |
Model | 810088272479 |
More information #ad