Prime Source Turf Marker Blue

Prime Source Turf Marker Blue

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Product Overview

Prime Source Turf Marker Blue will reduce both costly waste and unsightly skips with a visual indicator. Utilizing an indicator dye in your tank mix can save you time and money by quickly identifying treated areas while also alerting you to ongoing equipment failure. While liquid dyes present ample opportunity for spills and splash back, Prime Source Turf Marker Blue provides you with complete control during both the measuring and mixing process. Simply tip to measure the desired amount of granules in the attached measurement compartment, and then pour into the tank. Accidental spills are quickly and easily contained by vacuuming or sweeping any spilled granules before they come into contact with water to avoid unsightly stains.

The Prime Source Turf Marker Blue is mainly used for turf, ornamental, industrial, aquatic, utility, municipal areas. It is a non-toxic colorant marker for turf that shows where pesticides and fertilizers are applied. This colorant helps in showing the applications to prevent any skips and over-sprays in one area. It is completely compatible with other water soluble pesticides and fertilizers, avoiding any use of chemicals. The product quickly blends and spread on turf areas due to moisture and sunlight, making it an effective tool to use whenever needed. This is also available in 1 and 2.5 gallon sizes.

Also available is Turf Marker Green Select.

Features and Specs

Active Ingredient: Blue dye - 90.0%
For use in: Identifying where fertilizers, fungicides, herbicides, and insecticides have been applied on turf and ornamentals, in industrial, municipal, utility areas, and more.
Application: Boom, spot gun, hand held and other standard spray equipment.
Pet safe: Yes
Color: Deep Blue
Special Features: Non-toxic feature
Shipping Weight: 2.14 lbs
Manufacturer: Prime Source
UPC: 794504351262



  • Shake well before using. Prime Source Turf Marker Blue application rates will vary depending on turf color, turf height, and spray application  rates.
  • For optimal rate application, experiment with the volume of spray solution and rate of Prime Source Turf Marker Blue to find a rate that is functional and economical. 

Suggested rates:

  • 16-24 ounces per 100 gallons (190 mL per 100 liters) of spray solution treated.
  • For smaller spray applications using  backpacks and small sprayers, use 2-3 ounces per 3 gallons (50-75 mL per 10 liters).


Storage: Store in original container only. Keep container tightly closed and do not allow water to be introduced into the contents of this container. Do not contaminate water sources by runoff from cleaning of equipment, disposal of equipment washwaters or spray  waste. Do not store near heat or open flame. Do not contaminate food or feed by leak, spill, or disposal of product. Do not store  with oxidizing agents or ammonium nitrate.

Disposal: Dispose of empty containers by triple or pressure rinsing or equivalent, adding rinsate to the spray tank, then offer for recycling, or reconditioning, or puncture and dispose of according to state and local authorities. If burned, stay out of smoke.

Note: Please see Product Information Sheet for the complete list of Application Rates.

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