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Not Rocket Sciences

4X Surfactant + Spray Indicator, Lawn Wetting Agent, 1 Gallon

  • Based on 281 reviews
Condition: New
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Availability: In Stock.
Fulfilled by Amazon
Arrives Wednesday, Sep 30
Order within 4 hours and 14 minutes
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Size: 1 Gallon


Features

  • 4X CONCENTRATED POWER: Blue Spray Indicator Dye blended with surfactant 1 quart of this turf mark blue dye makes 32 gallons while 1 gallon sprayer of our blue grass dye makes up to 128 gallons.
  • 2-IN-1 BLEND: Wetting agent + undiluted liquid blue spray dye marker that simplifies your lawn care routine & saves time and money. This spray pattern indicator makes application effective & easier.
  • VISIBLE BLUE COLOR: This turf mark blue spray indicator dye is a blue colorant lawn dye that tracks your application coverage. Our blue indicator dye reduces overspraying, missed spots, and overlaps.
  • IMPROVES PRODUCT EFFICACY: This blue marker dye + lawn surfactant enhances the effectiveness of your grass and lawn care products by helping their active ingredients penetrate deeper and more evenly.
  • NON-STAINING, NON-PERMANENT DYE: This turf mark dye does not stain when diluted properly. The colorant in this turf mark + surfactant lasts 24-48 hours depending on sun and moisture conditions.
  • EASY MIXING: This marking spray paint dye can be tank-mixed with a fertilizer sprayer and other solutions. Use it for all spray applications and hydroseeding to increase efficacy & improve coverage.

Brand: Not Rocket Sciences


Item Weight: 4.55 kg


Item Form: Liquid


Liquid Volume: 1 gallons


Number of Packs: 1


Brand Name: Not Rocket Sciences


Model Number: NRS-4X-S-SPI


Number of Packs: 1


Manufacturer: Not Rocket Sciences


Number of Items: 1


Item Highlight: Not Rocket Sciences Liquid Blue Turf Mark, Makes 128 Gallons, 2-in-1 Formula, Easy to Mix and Apply


UPC: 850008238970


Unit Count: 128 Fluid Ounces


Part Number: NRS-4X-S-SPI


Item Form: Liquid


Application Method: Spray


Coverage: 1


Target Species: Lawn Grass


Item Weight: 4.55 kg


Liquid Volume: 1 gallons


Mixing Ratio: 1128


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Wednesday, Sep 30

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Similar Products

Top Amazon Reviews

    • Really helped worked great for me Really helped worked great for me
Size: 1 Gallon
Review Image by Akram M.
Review Image by Akram M.
Review Image by Akram M.
No doubt a bit messy so you gotta lay down something like cardboard or something to keep from getting everything blue. Make sure you wear gloves and clothes you don’t care about if you’re careful it’s not that bad but this stuff really works. You can see where you’re spraying and it lasts a long time. It does get on the concrete, but it’s not a permanent stain. It will run away eventually you can pressure wash it easily. ... show more
Reviewed in the United States on April 21, 2026 Reviewed in the United States on April 21, 2026 by Akram M.
    • High quality product and very visible
Size: 32 oz
Great product and i am buying it again. I use a little less than the directions say because it is very blue. The product is think and will sink. I used a small drywall mixer attached to a drill to mix it in evenly. Spill this on yourself and you are transformed into a smurf for 24-48 hours. Wear gloves. ... show more
Reviewed in the United States on February 14, 2026 by Henry Fogwill
    • Super effective
Size: 32 oz
Works great, super dark use less
Reviewed in the United States on April 11, 2026 by brennan Christian
    • Worth the money
Size: 32 oz
This is a very good product, it let you know where you have sprayed whatever you have in your sprayer. I would caution you to wear protective gear using this stuff because you will get some on you one way or another. I like that it comes in a 32 oz. bottle instead of 16 oz others sell. I like the blue coloring which seems to last longer than the 48 hours stated. ... show more
Reviewed in the United States on November 19, 2025 by Ronnie Ray
    • Works great
Size: 32 oz
This stuff works great. Beware not to spill it or drip it on anything you don't want turned blue though. it will stain very easily. Only takes a little bit in the sprayer and mixes very well. Highly recommend.
Reviewed in the United States on March 24, 2026 by Walt Schreiner
    • I have not used it yet
Size: 32 oz
I have not used this product yet. But from what I read itbis really a great product.
Reviewed in the United States on April 30, 2026 by Ken
    • This stuff will dye everything and it's awesome!
Size: 32 oz
Made my spraying much more accurate. This stuff will get on everything. A little goes a very long way.
Reviewed in the United States on February 27, 2026 by Lowsky1208
    • Value!
Size: 32 oz
Super dark and concentrated! Doesn't take a lot. The original cap had a crack. The dye drips everywhere even if you're extra careful. Wish I had a special spout for better pouring. You get more for the money.
Reviewed in the United States on July 31, 2025 by DaveW

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