Customer Reviews for Turf Mark Blue Spray Indicator Dye

Rating Snapshot

Average Customer Rating

4.4 of 5 stars
(154 customer reviews)
Displaying 1 to 30 (of 154 reviews)
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  • 5 of 5 Stars

    It’s blue for sure.

    By Bryce on 06/23/2025

    Verified Purchase

    I have used this a couple of times when spraying and very please that is washes of without stains.

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  • 5 of 5 Stars

    good dye

    By Jack on 06/16/2025

    I didn't think there was much difference between dyes, until I ran out of this and bought something else. The other dye bottle cap leaked even when tightened securely (what a mess), it took about 5 times as much dye per gallon to see it the same, and it didn't have the built-in measurer.

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  • 5 of 5 Stars

    Great Product

    By Arnold on 06/13/2025

    It's always a problem keeping track of what has been treated. This product solves that problem.

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  • 5 of 5 Stars

    Marker

    By Mike on 05/05/2025

    Works well and is helpful in saving on the main product.

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  • 5 of 5 Stars

    Blue Liquid Marker

    By Eric on 04/11/2025

    Works very well. I don't know why I haven't tried it before.

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  • 5 of 5 Stars

    Blue Liquid Marker

    By Eric on 04/11/2025

    Works very well. I don't know why I haven't tried it before.

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  • 4 of 5 Stars

    Blue dye

    By Eric on 03/28/2025

    Works well to show where spray applied to weeds and other plants

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  • 5 of 5 Stars

    Get this

    By Jeff on 03/14/2025

    I’ve been having trouble controlling a fungus in my lawn. I treated it for an entire year and it seems to have moved, but didn’t go away. I knew the pellet antifungal went on evenly. I did not know the the top rated liquid dispersing tool was not consistently emitting until I included the blue dye. It was really eye opening.

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  • 5 of 5 Stars

    Should have done this sooner

    By Gary on 02/28/2025

    I've thought about using an Indicator Dye for years, but just now bought some. It made spraying a herbicide so much more efficient by showing me the areas I missed the 1st time. The dye faded within a couple of days without staining my concrete driveway. I'll use this from now on.

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  • 5 of 5 Stars

    Turf Marker

    By Stephen on 09/13/2024

    Have used this product before and it really helps me aintain good coverage when spraying for weeds. Excellent.

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  • 4 of 5 Stars

    Blue everywhere it touches

    By Mike on 08/09/2024

    It works well in marking treated areas. Does not seem to interfere with chemical effectiveness of treatments. Will get blue everywhere it touches including your hands, clothes, and countertops. Difficult to remove from skin and fingernails. I do recommend it, just be careful when handling.

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  • 5 of 5 Stars

    Works as expected

    By Gd on 04/19/2024

    Makes it easier to determine where I have sprayed.

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    1 of 1 people found this review helpful

  • 1 of 5 Stars

    Turf mark

    By Charles on 04/12/2024

    I am not impressed with this item. Way too messy. I had blue fingers and hands. Looked almost like a Smurf.

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  • 5 of 5 Stars

    Great product

    By Loyd on 03/29/2024

    Works as intended. Didn't stain concrete for long. Perfectly sealed and packaged.

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  • 5 of 5 Stars

    Turf Mark kept the job on track

    By Bill on 03/11/2024

    Product works excellent to keep you on track when spraying from a 2 gallon pump up hand sprayer. Treating a field for leaf cutter ants can be a little disorientating when trying to circle a colony with a non- detectable. The dye will help you see what you have treated so you can get optimum coverage and know where you missed.

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  • 5 of 5 Stars

    A must for large areas

    By Rick on 01/26/2024

    Good product use it all the time, don’t overspray.

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  • 5 of 5 Stars

    It marks well

    By Dale on 10/15/2023

    I used this in my recent pre-emergent liquid chemical application. It marks well.

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  • 3 of 5 Stars

    Not perfect

    By Marcia on 10/12/2023

    The dye was too close to the color of my grass. I was killing off bent grass and nimbelwell. I kept having to make my mixture darker which took a lot of product. Possibly make the dye a different color, yellow??

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  • 5 of 5 Stars

    it marks

    By Ron on 09/22/2023

    just used a ounce in two gallons of round up was interesting to see how I had been going to fast so had to slow down it marked everything it got on but seemed to wash off later two days later it rained real good most of it had disapeared and soon more rain took care of the rest so it did not stain the vinal fence or the pavors it was nice being able tosee where I had been and how the coverage was going was ablee to apply a littl more to areas and it worked a lot better I did not have to reapply the round up later to spot treat

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  • 1 of 5 Stars

    used twice the recommended amount just to barely see it

    By David on 07/28/2023

    Verified Purchase

    I had to use twice the amount just to be barely able to see where I sprayed, so I got half the coverage I expected. Followed the instructions for the square footage of my yard. At least it did disappear quickly from sidewalks and driveway.

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    1 of 1 people found this review helpful

  • 5 of 5 Stars

    Blue Grass

    By Robert on 07/14/2023

    Turf Mark Blue is a great idea to keep track of where I have sprayed tenacity on my grass. It's easy to mix in the spray can with the measuring squeeze bottle. Best part is it doesn't stain forever...

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  • 5 of 5 Stars

    Turf Mark-Blue

    By Vk on 06/19/2023

    Product works very well. You can adjust the amount that you need to "see" where you have applied any product. That is adjust for light, medium or heavy blue color intensity. I would like a red or yellow color spray too.

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    1 of 1 people found this review helpful

  • 5 of 5 Stars

    Turf Mark Blue Spray

    By Ron on 05/20/2023

    Never used a marking substance before. Not really needed for my boom sprayer, but for spot spraying, the Blue Mark is ideal. Once I tried it, I'm sold on future use. Initially, I mixed a blend following the recommended ratio. However, I experimented with less, and the Blue Mark was still evident. As advertised, the Blue Mark disappears in a day or two. I recommend use and will purchase again.

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  • 4 of 5 Stars

    Messy but effective.

    By Walter on 04/28/2023

    I give the product a four star. It's messy. The blue dye marks everything including the turf. It is essential for application. The markings keep me moving and covering untreated areas. It is well worth some hassle to do a more effective job.

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    1 of 1 people found this review helpful

  • 5 of 5 Stars

    Works well

    By Leo on 04/17/2023

    I reduced the amount to 1 oz. per 3 gallons and it still was very obvious where I had sprayed.

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  • 5 of 5 Stars

    Turf Mark

    By Bill on 03/07/2023

    Makes application simple and more consistent, but wear your blue shoes!

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  • 3 of 5 Stars

    Not as noticeable as should be

    By V on 09/30/2022

    When I run out of this, will just use food coloring. The only time it is noticeable is when yo get the very last bit of liquid in the sprayer. Actually a waste of money

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  • 5 of 5 Stars

    Great product

    By Jim on 09/16/2022

    This dye works very well. I added it to a pre and post emergent. Be careful, this stuff finds a way to get everywhere. The cleanup is easy while it's wet.

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    1 of 1 people found this review helpful

  • 3 of 5 Stars

    Great for spot staying

    By Luke on 06/10/2022

    Used this product in my 25 gallon tank I mount on my suede by side.. it doesn't work very well at marking your yard through the boom sprayer which is what I wanted it for. It does work great shooting it through the gun. I don't think yard sprayers put out enough liquid for it to color the yard. Not the products fault in any way.

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  • 5 of 5 Stars

    Good stuff

    By Don on 06/10/2022

    Only way to make sure you get all the spots. Prevents double spray and missing areas

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    0 of 1 people found this review helpful

Displaying 1 to 30 (of 154 reviews)