---
title: "Blue Dye for Herbicide Spray — $457K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/patio-lawn-garden/blue-dye-for-herbicide-spray"
last_updated: "2026-08-09T12:15:31.886Z"
locale: en
meta:
  description: "Niche score 58/100 · $457K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 58/100 · $457K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Blue Dye for Herbicide Spray — $457K/yr Amazon US Niche (2026) - Flapen"
---

# **blue dye for herbicide spray**

**Worth a look**

Shows searches that convert (16.0% search→purchase), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 58Growth 54Conversion 98Competition 23Returns 96Price range 86Avg price 95Brand share 26Review moat 32Quality gap 57

**Conversion**

**Incredible****16.0%**

search→purchase rate — share of searches ending in a sale

**Returns**

**Incredible****0.8%**

return rate — above 5% kills the launch gate

**Avg price**

**Incredible****$23.91**

avg listing price — sweet spot $15–$100

**Price range**

**Great****$9.46–$58.79**

cheapest to priciest tracked listing — scored on the share inside $15–$100

**Market size**

**Good****$457K**

$457K/yr · 119K searches

**Quality gap**

**Good****4.4★**

avg incumbent rating — lower means beatable quality

**Growth**

**Good****+26.6%**

90-day search growth — must beat 0% to launch

**Review moat**

**Okay****3,333.92**

avg incumbent reviews — the moat a new listing must climb

**Brand share**

**Okay****90%**

top-5 brand share — brands hold most of the demand

**Competition**

**Bad****73%**

top-5 click share — a locked-up shelf

According to Flapen's Amazon United States niche tracking, blue dye for herbicide spray is a $457K/yr Amazon United States market (119K searches/yr). The top 5 brands hold 90% of demand. Demand peaks in Mar–Apr–May–Jun–Jul–Aug. Verdict: Worth a look — 58/100.

Data updated Jul 14, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **blue dye for herbicide spray market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**15K–20K**</dd><dd>avg 1,000–1,250/product</dd>

<dt>**Revenue / yr**</dt><dd>**$359K–$478K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**16.0%**</dd>

<dt>**Avg BSR**</dt><dd>**#469**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**100%**</dd>

<dt>**Sponsored**</dt><dd>**85%**</dd>

<dt>**Out of stock**</dt><dd>**0.0%**</dd>

<dt>**Avg brand age**</dt><dd>**85 months**</dd>

<dt>**Avg seller age**</dt><dd>**163 days**</dd>

</dl>

## **Competition & brand share**

The top 5 products capture 73% of clicks — a locked-up shelf that new listings rarely crack.

**Brands**

**7 **—flat

**Sellers**

**22**

**Top-5 brand share**

**90%**

Top 20: 100%

**Top-5 click share**

**73%**

Top 20: 100%

**Open market**

**5%**

- Liquid Harvest59% - Not Rocket Sciences9% - Monterey9% - Maplefield7% - BASF6% - ADIOS!6% - Open — no brand owns it (1 brand, 5%)

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — +26.6% search growth over the last 90 days.

5K4KSpike '25Spike '26 seasonSepDecMarJunAugNovMarMay

Peak months: Mar, Apr, May, Jun, Jul, Aug · busiest ÷ quietest = 8.4×

[**Open Trend **](https://flapen.com/research/us/patio-lawn-garden/blue-dye-for-herbicide-spray/trend)

## **Top blue dye for herbicide spray search terms**

- **herbicide dye**15K/yr+20.1%11.5% conv. - **spray indicator dye**11K/yr+56.1%7.2% conv. - **blue dye for herbicide spray**13K/yr+16.4%18.4% conv. - **lazer blue lawn dye**10K/yr+78.7%19.0% conv. - **lawn dye**8K/yr+28.0%7.2% conv. - **spray dye**6K/yr+15.5%6.1% conv. - **turf mark**5K/yr+28.1%15.7% conv. - **mark it blue**5K/yr+9.3%11.8% conv. - **turf mark blue spray indicator dye**5K/yr+13.5%18.5% conv. - **spray dye for herbicide**5K/yr+24.6%15.3% conv. [**All search terms **](https://flapen.com/research/us/patio-lawn-garden/blue-dye-for-herbicide-spray/search-terms)

## **Top blue dye for herbicide spray products on Amazon**

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%10%$46K20%$91K30%$137K40%$183K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 13 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Liquid Harvest Lazer Blue - 32 Ounces - Concentrated Spray Pattern Indicator - Perfect Weed/ Fertilizer Marking Dye Turf Mark and Blue Herbicide Marker](https://m.media-amazon.com/images/I/41U0AAuM2FL.jpg)**Liquid Harvest Lazer Blue - 32 Ounces - Concentrated Spray Pattern Indicator - Perfect Weed/ Fertilizer Marking Dye Turf Mark and Blue Herbicide Marker**Liquid Harvest**$26.26**4.6★2,786 rev](https://www.amazon.com/dp/B0049I2FPM) [2![Liquid Harvest Lazer Blue Concentrated Spray Pattern Indicator 8 Ounces Perfect Weed Dye Herbicide Fertilizer Marking Turf Mark and Marker](https://m.media-amazon.com/images/I/31DWVuFpNDL.jpg)**Liquid Harvest Lazer Blue Concentrated Spray Pattern Indicator 8 Ounces Perfect Weed Dye Herbicide Fertilizer Marking Turf Mark and Marker**Liquid Harvest**$14.89**4.5★17,167 rev](https://www.amazon.com/dp/B01G7M309M) [3![Monterey Mark-It Blue Bundled with Measuring Spoon - Spray Solution Colorant Chemical Marker Dye for Insecticide Herbicide and Fungicide 8 oz](https://m.media-amazon.com/images/I/41+c3nq0EYL.jpg)**Monterey Mark-It Blue Bundled with Measuring Spoon - Spray Solution Colorant Chemical Marker Dye for Insecticide Herbicide and Fungicide 8 oz**Monterey**$12.27**4.4★2,053 rev](https://www.amazon.com/dp/B0F2BGK29R) [4![Maplefield Blue Spray Indicator Dye - 8 oz Bottle with Pipette - Lawn Dye for Sprayers & Spray Pattern Indicator](https://m.media-amazon.com/images/I/4114PLj3pNL.jpg)**Maplefield Blue Spray Indicator Dye - 8 oz Bottle with Pipette - Lawn Dye for Sprayers & Spray Pattern Indicator**Maplefield**$14.76**4.4★366 rev](https://www.amazon.com/dp/B0C7LS5R6J) [5![Adios! Professional Blue Spray Dye Marker (8oz) Makes 16 Gallons of Indicator for Grass and Lawn Care Safe for Mixing](https://m.media-amazon.com/images/I/41lNhnqqBTL.jpg)**Adios! Professional Blue Spray Dye Marker (8oz) Makes 16 Gallons of Indicator for Grass and Lawn Care Safe for Mixing**ADIOS!**$13.17**4.5★785 rev](https://www.amazon.com/dp/B0BS1SV4B2)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Monterey Mark-It Blue Bundled with Measuring Spoon - Spray Solution Colorant Chemical Marker Dye for Insecticide Herbicide and Fungicide 8 oz](https://m.media-amazon.com/images/I/41+c3nq0EYL.jpg)**Monterey Mark-It Blue Bundled with Measuring Spoon - Spray Solution Colorant Chemical Marker Dye for Insecticide Herbicide and Fungicide 8 oz**Monterey**$12.27**2,053 rev1y ago](https://www.amazon.com/dp/B0F2BGK29R) [![Eco Living Solutions - Concentrated Blue Spray Pattern Indicator Effervescent Tablets | MESS & STAIN FREE | Weed Spray Dye | Dye for Herbicide & Fertilizer | Quick To Dissolve | Makes Up To 20 Gallons](https://m.media-amazon.com/images/I/511OUuxCyyL.jpg)**Eco Living Solutions - Concentrated Blue Spray Pattern Indicator Effervescent Tablets | MESS & STAIN FREE | Weed Spray Dye | Dye for Herbicide & Fertilizer | Quick To Dissolve | Makes Up To 20 Gallons**ECO LIVING SOLUTIONS**$9.46**198 rev1y ago](https://www.amazon.com/dp/B0DRXW3W5W) [![32oz 4X Spray Pattern Indicator Dye + Surfactant Makes 32 Gallons of Wetting Agent for Lawn & Turf Mark - Effective Spray Indicator Liquid Blue Dye for Marking Turf Easy to Mix & Apply](https://m.media-amazon.com/images/I/41bfCcBWbFL.jpg)**32oz 4X Spray Pattern Indicator Dye + Surfactant Makes 32 Gallons of Wetting Agent for Lawn & Turf Mark - Effective Spray Indicator Liquid Blue Dye for Marking Turf Easy to Mix & Apply**Not Rocket Sciences**$24.88**259 rev2y ago](https://www.amazon.com/dp/B0CTJ3XSJ2) [![32oz 4X Red Spray Dye - Makes 128 Gallons of Concentrated Spray Pattern Indicator Dye Ideal Fertilizer Marking Lawn Turf Mark and Marker Mark Where Youve Sprayed with Red Color Indicator](https://m.media-amazon.com/images/I/51BkuXuMgsL.jpg)**32oz 4X Red Spray Dye - Makes 128 Gallons of Concentrated Spray Pattern Indicator Dye Ideal Fertilizer Marking Lawn Turf Mark and Marker Mark Where Youve Sprayed with Red Color Indicator**Not Rocket Sciences**$27.97**205 rev2y ago](https://www.amazon.com/dp/B0CS4CM7V5) [![32oz 4X Green Spray Pattern Indicator Dye - Makes 128 Gallons of Concentrated Spray Dye Ideal Fertilizer Marking Lawn Turf Mark and Marker Mark Where Youve Sprayed with Green Color Indicator](https://m.media-amazon.com/images/I/41s0NtBWYIL.jpg)**32oz 4X Green Spray Pattern Indicator Dye - Makes 128 Gallons of Concentrated Spray Dye Ideal Fertilizer Marking Lawn Turf Mark and Marker Mark Where Youve Sprayed with Green Color Indicator**Not Rocket Sciences**$23.88**328 rev3y ago](https://www.amazon.com/dp/B0CS46C3WV)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![BASF Turf Mark Blue Spray Marking & Pattern Indicator Dye for Weed Fertilizer & Herbicide Application on Grass and Lawns Non-Permanent 32 oz](https://m.media-amazon.com/images/I/41eDBUU4oeL.jpg)**BASF Turf Mark Blue Spray Marking & Pattern Indicator Dye for Weed Fertilizer & Herbicide Application on Grass and Lawns Non-Permanent 32 oz**BASF**$30.24**4.4★**▲ 47%**](https://www.amazon.com/dp/B01FY2UR9M) [![Liquid Harvest Lazer Blue Concentrated Spray Pattern Indicator - 16 Ounces](https://m.media-amazon.com/images/I/41r+cRiaLpL.jpg)**Liquid Harvest Lazer Blue Concentrated Spray Pattern Indicator - 16 Ounces**Liquid Harvest**$22.35**4.5★**▲ 42%**](https://www.amazon.com/dp/B08ZNV28FQ) [![Maplefield Blue Spray Indicator Dye - 8 oz Bottle with Pipette - Lawn Dye for Sprayers & Spray Pattern Indicator](https://m.media-amazon.com/images/I/4114PLj3pNL.jpg)**Maplefield Blue Spray Indicator Dye - 8 oz Bottle with Pipette - Lawn Dye for Sprayers & Spray Pattern Indicator**Maplefield**$14.76**4.4★**▲ 27%**](https://www.amazon.com/dp/B0C7LS5R6J) [![32oz 4X Green Spray Pattern Indicator Dye - Makes 128 Gallons of Concentrated Spray Dye Ideal Fertilizer Marking Lawn Turf Mark and Marker Mark Where Youve Sprayed with Green Color Indicator](https://m.media-amazon.com/images/I/41s0NtBWYIL.jpg)**32oz 4X Green Spray Pattern Indicator Dye - Makes 128 Gallons of Concentrated Spray Dye Ideal Fertilizer Marking Lawn Turf Mark and Marker Mark Where Youve Sprayed with Green Color Indicator**Not Rocket Sciences**$23.88**4.3★**▲ 21%**](https://www.amazon.com/dp/B0CS46C3WV) [![Liquid Harvest Lazer Blue - 32 Ounces - Concentrated Spray Pattern Indicator - Perfect Weed/ Fertilizer Marking Dye Turf Mark and Blue Herbicide Marker](https://m.media-amazon.com/images/I/41U0AAuM2FL.jpg)**Liquid Harvest Lazer Blue - 32 Ounces - Concentrated Spray Pattern Indicator - Perfect Weed/ Fertilizer Marking Dye Turf Mark and Blue Herbicide Marker**Liquid Harvest**$26.26**4.6★**▲ 16%**](https://www.amazon.com/dp/B0049I2FPM)

**~~View all trending →~~**

## **What buyers say about blue dye for herbicide spray**

What buyers praise and complain about, mined from review topics.

### **What buyers love **

**Advertised Vs Actual Product**18%

*“Works as advertised”*

**Spray/Flow**17%

*“improves overall spraying accuracy”*

**Quality-Overall**16%

*“well made”*

**Color**15%

*“the color looks great”*

**Ease Of Use**8%

*“Easy to use”*

**Value For Money**6%

*“Good value for money”*

**Efficiency**3%

*“Works great”*

**Ease Of Cleaning**2%

*“Helpful Indicator for Cleaner Spraying”*

**Pest/Insect Control**2%

*“insecticide very helpful”*

**Instructions/User Manual/Troubleshooting**1%

*“Follow instructions”*

### **What buyers complain about **

**Color**21%

*“Blue tint is not dark enough”*

**Leak-Proof**19%

*“Leaked all over everything in the box”*

**Stain Resistance**11%

*“IT WILL STAIN ABSOLUTELY EVERYTHING”*

**Functionality-Overall**6%

*“Doesnt work”*

**Ease Of Cleaning**6%

*“Its a mess to use”*

**Value For Money**5%

*“I found that the extra cost”*

**Ease Of Use**3%

*“Awful stuff to work with”*

**Durability**3%

*“Doesnt last”*

**Spray/Flow**3%

*“the spray all of a sudden got vivid”*

**Advertised Vs Actual Product**2%

*“Needs to use more than the label says for it to mark the grass well”*

### **Top return reasons **

**Leak-Proof**39%

**Color**17%

**Advertised Vs Actual Product**8%

**Stain Resistance**6%

**Value For Money**6%

**Functionality-Overall**6%

**Size-Overall**5%

**Spray/Flow**2%

**Paint Quality**2%

**Defective Material/Parts**1%

## **Common questions**

<dl>

<dt>**Is blue dye for herbicide spray profitable to sell on Amazon United States?**</dt><dd>The niche generates $457K/yr across 13 tracked products. 90-day search growth is +26.6%. Flapen's verdict: Worth a look (58/100).</dd>

<dt>**How competitive is the blue dye for herbicide spray niche?**</dt><dd>7 brands and 22 sellers compete. The top 5 products take 73% of clicks and top 5 brands hold 90% of demand.</dd>

<dt>**What do buyers complain about in blue dye for herbicide spray?**</dt><dd>Top complaints mined from reviews: Color, Leak-Proof, Stain Resistance. The return rate is 0.8%.</dd>

<dt>**When does demand for blue dye for herbicide spray peak?**</dt><dd>Demand peaks in Mar–Apr–May–Jun–Jul–Aug; the busiest month runs 8.4× the quietest.</dd>

<dt>**What does it cost to enter the blue dye for herbicide spray niche?**</dt><dd>Listings span $9.46–$58.79; the average listing price is $23.91 (sweet spot $15–$100). The average incumbent carries 3,334 reviews — the moat a new listing must climb.</dd>

</dl>

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