Top 10 Weed Sprayer Dye – Garden Fertilizers

As an Amazon Associate I earn from qualifying purchases.

1. Liquid Harvest


Herbicide Dye, Turf Mark and Blue Herbicide Marker, Fertilizer Marking Dye, Liquid Harvest Lazer Blue Concentrated Spray Pattern Indicator 8 Ounces Perfect Weed Spray Dye

Liquid Harvest #ad - Mix with herbicides, pesticides, fungicides, & fertilizers. Easily marks grass and lawns. Indicates where spray mixtures have been applied. Mixes only with water based solutions, will not work with oil based. Non-permanent and nonstaining.
BrandLiquid Harvest #ad
ManufacturerLiquid Harvest #ad
Weight0.4 Pounds
Part Number125

2. Bluewater Chemgroup


Weed Spray Dye, 8 Ounces, Fertilizer Marking Dye, Organic Herbicide Marking, Herbicide Dye, Turf Mark and Blue Herbicide Marker, Blue Spray Marker

Bluewater Chemgroup #ad - Non permanent and Will Not Stain. 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.
BrandBluewater Chemgroup #ad
ManufacturerBluewater Chemgroup #ad
Part Number154

3. Petra


Blue Mark Spray Indicator for Home and Commercial Sprayer Use 8oz, PetraTools Blue Herbicide Lawn Dye, Super Strength Concentrate 3X More Than Others, for Herbicides, Fertilizer & Weed Killer

Petra #ad - From our all-natural spray liquids to our battery-powered backpack sprayers, sell, we design, and offer the best-in-class US-based customer support for all your spraying needs. Business, committed to providing you rock-solid sprayers and solutions for all your growing and lawn needs.

The perfect spray pattern dye: sprayer’s blue is perfectly designed for use with sprayers. 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. Saves you time spraying! 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. Helps you save and maximize liquid products and money. And with a concentrate that is 3x’s stronger, plant damage, you prevent over-spraying or overlapping liquid applications.

Your satisfaction guaranteed or your money back. 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. 3x super concentrate blue marker: petratools sprayer’s blue is a highly concentrated water soluble spray colorant for fertilizers, and weed killer products. 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.
BrandPetra #ad
ManufacturerPetra #ad
Part Number001

4. Liquid Harvest


1 Quart 32 Ounces, Herbicide Dye, Liquid Harvest Lazer Green Concentrated Spray Pattern Indicator, Perfect Weed Spray Dye, Fertilizer Marking Dye, Turf Marker and Herbicide Marker

Liquid Harvest #ad - Easily marks grass and lawns. Mix with herbicides, fungicides, pesticides, & fertilizers. Mixes only with water based solutions, will not work with oil based. Non-permanent and nonstaining. Indicates where spray mixtures have been applied.
BrandLiquid Harvest #ad
ManufacturerSanco Industries #ad
Height10.27 Inches
Length3 Inches
Width4.4 Inches
Part Number123

5. LawnStar


Premium, Highly Visible Formulation Prime for Marking Herbicides, Fertilizer, Turf 32 OZ, Weed, Professional Ultra Concentrated, Multipurpose, LawnStar Blue Spray Pattern Indicator Marker Dye

LawnStar #ad - 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.

Professional standard - Trusted by professionals and homeowners alike to make treating your lawn for weeds and grubs a breeze. 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.

Consistent spray - ideal for marking herbicides and fertilizers, so you can keep track your progress easily, smooth blue color, our ultra-concentrated solution ensures you get a steady, saving time and countless ‘did I spray there already?!’ headaches.
BrandLawnStar #ad
ManufacturerLawnStar #ad

6. Monterey


Monterey LG1142 Spray Solution Colorant Mark-It Blue Dye, 16 oz, White

Monterey #ad - Depending on usage, soil drench, or soil incorporation. Spray identification - after applying insecticide, herbicide, or fungicide to your lawn or garden, use Monterey's Mark-It Blue Spray Solution Colorant to indicate where you have applied a chemical spray.

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. Ideal for a variety of applications - this product can be used for golf courses, athletic fields, parks, and any other turf or grass areas. The more sunlight and heat, apply as a foliar spray, the faster the breakdown.

It works great with Roundup or Remuda, and herbicides. Avoid overlap - by utilizing the mark-it blue, fertilizers, pesticides, you will be able to avoid overlapping sprays as well as ensure that you have applied the chemical to all desired areas. Anywhere that spray evidence is needed, cemeteries, Mark-It Blue can be used. Breaks down in heat and light - the blue color of the product breaks down with exposure to heat and sunlight.
BrandMonterey #ad
ManufacturerLawn & Garden Products #ad
Height4.5 Inches
Length3.1 Inches
Width1.3 Inches
Part NumberLG1142

7. Liquid Harvest


32 Ounces, Liquid Harvest Lazer Blue Concentrated Spray Pattern Indicator

Liquid Harvest #ad - Non-permanent and nonstaining. Easily marks grass and lawns. 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.
BrandLiquid Harvest #ad
ManufacturerSanco Industries #ad
Height6 Inches
Length9 Inches
Width6 Inches
Part Number117



Adjustable Shoulder Strap, VIVOSUN 1.35 Gallon Lawn and Garden Pump Pressure Sprayer with Pressure Relief Valve

VIVOSUN #ad - Translucent bottle: unlike other bottles, this vivOSUN pump pressure sprayer is made with a translucent bottle with calibrations on the side; You can easily check fluid levels to know exactly when and how much to refill. Comfort and safety: 56. 5 cm. Long watering wand gives a better, and helps you spray hard to access plants; each Sprayer comes with a heavy-duty shoulder strap and the comfort-grip handle has a built-in shut-off valve, more practical reach, so you can comfortably carry the sprayer over your shoulder while keeping one hand free and enjoying a constant, consistent flow; The sprayer’s thickened bottom significantly improves its durability and stability.

Multi-functional: this practical 1. 35-gallon pump pressure sprayer works great for indoor and outdoor use.

Easy filling: super large bowl-shaped mouth and funnel design allows easy, no-mess filling; Just unscrew, fill up the bottle and close the lid; Pump up the pressure and you are ready to spray. Warranty: we provide a 1-year warranty for this pump pressure sprayer; We promise to fix any problems you encounter and to answer any of your questions as quickly as we can; We have an unmatched record of customer satisfaction and are always available to assist our customers.
BrandVIVOSUN #ad
ManufacturerVIVOSUN #ad

9. Ironton


1 GPM, 12 Volt DC, Ironton Tow-Behind Trailer Broadcast and Spot Sprayer, 13-Gallon Capacity

Ironton #ad - 13-gallon tank is UV-resistant and compatible with virtually all pesticides. Opening and an easy-empty bottom drain. 1 gpm ironton pump with durable chemical-resistant components. Approved for use with Roundup agricultural herbicide. Gallon marks molded into tank make it easy to monitor fluid levels. Tank has a 7 1/2in.
BrandIronton #ad
ManufacturerIronton #ad
Height21.5 Inches
Length40 Inches
Weight50 Pounds
Width21.5 Inches
Part Number282790

10. Petra


Comes with Multiple Nozzles & Battery Included, PetraTools 3-Gallon Battery Powered Backpack Sprayer – Extended Spray Time Long-Life Battery, New HD Wand Included, 65+ PSI, Wide Mouth Lid

Petra #ad - Other sprayers provide extremely limited support on Amazon but not PetraTools. Petratools hd3000 #1 customer support: petratools wants to make sure that you are 100% satisfied with your PetraTools HD3000 Sprayer and will help any way they can. Quality control testing and final assembly on each sprayer completed at PetraTools testing centers right here in the USA! Petratools multipurpose wand and nozzle included: Meet all your spraying needs with the PetraTools wand that can handle any solution as needed.

High-quality products at petratools: petratools aims to always give you the best products, so we designed the HD3000 sprayer with the highest quality standards. The wide mouth lid design makes pouring and mixing solution convenient. If needed, the battery can be changed quickly.

Variable psi pressure adjuster allows you to control your PSI output for the perfect spray. 40-65psi pump with adjustable pressure knob. Includes plastic squeeze handle with locking mechanism and multiple nozzle attachments for all your spraying needs. Never pump again: sprays for 2-2. 5 hours on a single battery charge or over 50 gallons of solution so that you can complete your whole job on a single charge without worrying about pumping. With excellent customer support for greater assistance.
BrandPetra #ad
ManufacturerPetra #ad
Part NumberHD3000