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Saves chemical solution and money: by having a blue indicator, or possible burns from inaccurate spraying of chemicals. Petratools offers guaranteed products: petratools is a family-owned & operated u. S. It naturally disappears with rainfall and exposure to sunlight and doesn’t stain your shoes, clothes, surfactant for herbicide, mesotrione, or pets.3
As a dependable and trusted sprayer manufacturer, pets, sprayer’s Blue is formulated with non-irritating ingredients - our spray marker is 100% safe to use around people, PetraTools is developing the lawn solutions you need for the sprayers that get the job done right. Saves you time spraying! . From our all-natural spray liquids to our battery-powered backpack sprayers, we design, sell, and offer the best-in-class US-based customer support for all your spraying needs. Helps you save and maximize liquid products and money.



Breaks down in heat and light - the blue color of the product breaks down with exposure to heat and sunlight. Avoid overlap - by utilizing the mark-it blue, fertilizers, you will be able to avoid overlapping sprays as well as ensure that you have applied the chemical to all desired areas.
No permanent stain - mark-it blue is an indicator that will not permanently stain foliage or skin, but if it is spilled on fabric, it should be washed off before it has a chance to dry. Spray identification - after applying insecticide, or fungicide to your lawn or garden, herbicide, use Monterey's Mark-It Blue Spray Solution Colorant to indicate where you have applied a chemical spray.



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 - Use extreme caution when storing, handling & pouring! extremely Concentrated Solution! Mix with herbicides, pesticides, fungicides, & 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.More information #ad
Brand | Liquid Harvest #ad |
Manufacturer | Liquid Harvest #ad |
Weight | 0.4 Pounds |
Part Number | 125 |
Model | 00125 |
More information #ad
2. Bluewater Chemgroup
#ad
Weed Spray Dye, Fertilizer Marking Dye, Organic Herbicide Marking, 8 Ounces, Herbicide Dye, Turf Mark and Blue Herbicide Marker, Blue Spray Marker
#adBluewater Chemgroup #ad - Works great with remuda & other herbicides as well as fertilizers & insecticides. Non permanent and Will Not Stain. Easily marks Grass and Lawns. Has a blue colorant that indicates where you have applied a chemical spray.More information #ad
Brand | Bluewater Chemgroup #ad |
Manufacturer | Bluewater Chemgroup #ad |
Weight | 0.52 Pounds |
Part Number | 154 |
More information #ad
3. Liquid Harvest
#ad
Perfect Weed Spray Dye, Turf Mark and Blue Herbicide Marker, 32 Ounces, Fertilizer Marking Dye, Herbicide Dye, Liquid Harvest Lazer Blue, Concentrated Spray Pattern Indicator
#adLiquid Harvest #ad - Non-permanent and nonstaining. Easily marks grass and lawns. Indicates where spray mixtures have been applied. Mixes only with water based solutions, will not work with oil based. Mix with herbicides, fungicides, pesticides, & fertilizers.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
4. Petra
#ad
Blue Mark Spray Indicator for Home and Commercial Sprayer Use 8oz, for Herbicides, PetraTools Blue Herbicide Lawn Dye, Super Strength Concentrate 3X More Than Others, Fertilizer & Weed Killer
#adPetra #ad - And with a concentrate that is 3x’s stronger, plant damage, you prevent over-spraying or overlapping liquid applications. 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, you get even more value for your money.Saves chemical solution and money: by having a blue indicator, or possible burns from inaccurate spraying of chemicals. Petratools offers guaranteed products: petratools is a family-owned & operated u. S. It naturally disappears with rainfall and exposure to sunlight and doesn’t stain your shoes, clothes, surfactant for herbicide, mesotrione, or pets.3
More information #ad
3x super concentrate blue marker: petratools sprayer’s blue is a highly concentrated water soluble spray colorant for fertilizers, and weed killer products. As a dependable and trusted sprayer manufacturer, pets, sprayer’s Blue is formulated with non-irritating ingredients - our spray marker is 100% safe to use around people, PetraTools is developing the lawn solutions you need for the sprayers that get the job done right. Saves you time spraying! . From our all-natural spray liquids to our battery-powered backpack sprayers, we design, sell, and offer the best-in-class US-based customer support for all your spraying needs. Helps you save and maximize liquid products and money.
Brand | Petra #ad |
Manufacturer | Petra #ad |
Weight | 0.52 Pounds |
Part Number | 001 |
More information #ad
5. Liquid Harvest
#ad
Fertilizer Marking Dye, Herbicide Dye, Turf Marker and Herbicide Marker, Liquid Harvest Lazer Green Concentrated Spray Pattern Indicator, 1 Quart 32 Ounces, Perfect Weed Spray Dye
#adLiquid Harvest #ad - Indicates where spray mixtures have been applied. Mix with herbicides, fungicides, pesticides, & fertilizers. Non-permanent and nonstaining. Easily marks grass and lawns. Mixes only with water based solutions, will not work with oil based.More information #ad
Brand | Liquid Harvest #ad |
Manufacturer | Sanco Industries #ad |
Height | 10.27 Inches |
Length | 3 Inches |
Weight | 2 Pounds |
Width | 4.4 Inches |
Part Number | 123 |
Model | 123 |
More information #ad
6. Liquid Harvest
#ad
Liquid Harvest Lazer Blue Concentrated Spray Pattern Indicator, 1 Gallon 128 Ounces, Perfect Weed Spray Dye, Fertilizer Marking Dye, Herbicide Dye, Turf Mark and Blue Herbicide Marker
#adLiquid Harvest #ad - Mix with herbicides, fungicides, pesticides, & fertilizers. Mixes only with water based solutions, will not work with oil based. Non-permanent and nonstaining. Easily marks grass and lawns. Indicates where spray mixtures have been applied.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
7. Monterey
#ad
Monterey LG1142 Spray Solution Colorant Mark-It Blue Dye, White, 15.9 Fl Oz Pack of 1
#adMonterey #ad - Ideal for a variety of applications - this product can be used for golf courses, parks, cemeteries, athletic fields, and any other turf or grass areas. Anywhere that spray evidence is needed, Mark-It Blue can be used. The more sunlight and heat, the faster the breakdown.Breaks down in heat and light - the blue color of the product breaks down with exposure to heat and sunlight. Avoid overlap - by utilizing the mark-it blue, fertilizers, you will be able to avoid overlapping sprays as well as ensure that you have applied the chemical to all desired areas.
More information #ad
Depending on usage, soil drench, apply as a foliar spray, or soil incorporation. It works great with Roundup or Remuda, pesticides, and herbicides. No permanent stain - mark-it blue is an indicator that will not permanently stain foliage or skin, but if it is spilled on fabric, it should be washed off before it has a chance to dry. Spray identification - after applying insecticide, or fungicide to your lawn or garden, herbicide, use Monterey's Mark-It Blue Spray Solution Colorant to indicate where you have applied a chemical spray.
Brand | Monterey #ad |
Manufacturer | Lawn & Garden Products #ad |
Height | 4.5 Inches |
Length | 3.1 Inches |
Width | 1.3 Inches |
Part Number | LG1142 |
Model | LG1142 |
More information #ad
8. Liquid Harvest
#ad
Perfect Weed Spray Dye, Herbicide Dye, Fertilizer Marking Dye, Turf Marker and Herbicide Marker, 1 Gallon 128 Ounces, Liquid Harvest Lazer Green Concentrated Spray Pattern Indicator
#adLiquid Harvest #ad - Mixes only with water based solutions, will not work with oil based. Easily marks grass and lawns. Indicates where spray mixtures have been applied. Non-permanent and nonstaining. Mix with all water based chemical solutions for marking.More information #ad
Brand | Liquid Harvest #ad |
Manufacturer | Sanco Industries #ad |
Weight | 8 Pounds |
Part Number | 00120 |
Model | 00120 |
More information #ad
9. BASF
#ad
BASF 10059 Blue 32oz Turf Mark
#adBASF #ad - Great for being able to track where you've sprayed so you don't miss any areas. Temporary formulation - will not permanently stain treated surfaces. Non toxic to people, animals and the local environment. Can be used inside and outside the home.More information #ad
Brand | BASF #ad |
Manufacturer | BASF #ad |
Height | 8 Inches |
Length | 2 Inches |
Width | 4 Inches |
Part Number | 10059 |
Model | 10059 |
More information #ad
10. Liquid Harvest
#ad
Increase Product Effectiveness, Concentrated Surfactant for Herbicides Non-Ionic 16oz, Increase Product Coverage, Increase Product Penetration
#adLiquid Harvest #ad - Breaks down waxy coating on weeds for more effective penetration. Not for sale in CA and WA. Use 16 oz in 50 gallons or 1 tsp in 1 gallon. 16 oz of liquid Harvest non-ionic surfactant. Helps stick your chemical to the plant.More information #ad
Brand | Liquid Harvest #ad |
Manufacturer | Sanco Industries #ad |
Part Number | 02010 |
More information #ad