---
title: "Diquat — $308K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/patio-lawn-garden/diquat"
last_updated: "2026-08-07T16:35:30.309Z"
locale: en
meta:
description: "Niche score 57/100 · $308K/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 57/100 · $308K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Diquat — $308K/yr Amazon US Niche (2026) - Flapen"
---
# **diquat**
**Worth a look**
Shows low returns (0.0%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 51Growth 95Conversion 80Competition 12Returns 100Price range 36Avg price 80Brand share 0Review moat 72Quality gap 57
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Growth**
**Great****+109.5%**
90-day search growth — must beat 0% to launch
**Conversion**
**Great****8.2%**
search→purchase rate — share of searches ending in a sale
**Avg price**
**Great****$85.81**
avg listing price — sweet spot $15–$100
**Review moat**
**Good****606.7**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Market size**
**Good****$308K**
$308K/yr · 44K searches
**Price range**
**Okay****$34.71–$214.32**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Competition**
**Bad****85%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
**Signals**[** Trending**](https://flapen.com/research/niches?market=us&signal=trending "Search growth > 100% (90d)") [** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")
According to Flapen's Amazon United States niche tracking, diquat is a $308K/yr Amazon United States market (44K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Apr–May–Jun–Jul–Aug. Verdict: Worth a look — 57/100.
Data updated Jul 22, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **diquat market data**
- **Units sold / yr**
- **4K–5K**
- avg 250–500/product
- **Revenue / yr**
- **$343K–$429K**
- units × avg price
- **Conversion rate**
- **8.2%**
- **Avg BSR**
- **#311**
- **Page quality**
- **0%**
- **Prime**
- **50%**
- **Sponsored**
- **40%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **103 months**
- **Avg seller age**
- **155 days**
## **Competition & brand share**
The top 5 products capture 85% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**4 **▲rising
**Sellers**
**27**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**85%**
Top 20: 100%
**Open market**
**0%**
- ALLIGARE50% - Agrisel33% - Crystal Blue13% - Nufarm4%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +109.5% search growth over the last 90 days.
2K1KSpike '25Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Apr, May, Jun, Jul, Aug · busiest ÷ quietest = 7.5×
[**Open Trend **](https://flapen.com/research/us/patio-lawn-garden/diquat/trend)
## **Top diquat search terms**
- **diquat aquatic herbicide**17K/yr+187.4%8.7% conv. - **diquat**13K/yr+108.7%7.1% conv. - **diquat herbicide**14K/yr+54.0%7.6% conv. [**All search terms **](https://flapen.com/research/us/patio-lawn-garden/diquat/search-terms)
## **Top diquat 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%$31K20%$62K30%$92K40%$123K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 10 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Alligare Diquat Herbicide to Control Bluegrass Duckweed Hydrilla & More - Glyphosate Alternative Fast-Acting Non-Selective Liquid Weed Killer for Aquatic & Landscape Use - 1 Gallon (128oz)**ALLIGARE**$74.27**4.5★1,296 rev](https://www.amazon.com/dp/B00C4Y228S) [2**Diquat Weed Killer Fast-Acting Formula for Aquatic and Landscape Weeds Safe on Ornamentals Visible Results in 1-2 Days Pet Safe 128 Ounces**Agrisel**$99.52**4.5★257 rev](https://www.amazon.com/dp/B01J4C3P5Q) [3**Alligare Diquat Herbicide to Control Bluegrass Duckweed Hydrilla & More - Glyphosate Alternative Fast-Acting Non-Selective Liquid Weed Killer for Aquatic & Landscape Use - 1 Quart**ALLIGARE**$34.71**4.5★1,296 rev](https://www.amazon.com/dp/B00HMBPGD6) [4**Tsunami DQ Aquatic Herbicide- Quart - 37.3 Percent Diquat Dibromide Concentrated Aquatic Weed Killer for Lakes and Ponds - Duckweed Watermeal Curly Leaf Pondweed & Many More**Crystal Blue**$50.42**4.4★921 rev](https://www.amazon.com/dp/B004KTILEO) [5**Tsunami DQ Aquatic Herbicide - Gallon - 37.3 Percent Diquat Dibromide - Concentrated Aquatic Weed Killer for Lakes and Ponds - Duckweed Watermeal Curly Leaf Pondweed & Many More**Crystal Blue**$117.17**4.5★586 rev](https://www.amazon.com/dp/B004KTL600)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Diquat SPC 2L by Nufarm**Nufarm**$87.71**3 rev2mo ago](https://www.amazon.com/dp/B0GZLYGNDB) [**Nufarm Diquat SPC 2L Broad Spectrum Aquatic Weed Killer 16 fl oz**Nufarm**$36.93**3 rev2y ago](https://www.amazon.com/dp/B0CPYPQD8X) [**Diquat Weed Killer Fast-Acting Formula for Aquatic and Landscape Weeds Safe on Ornamentals Visible Results in 1-2 Days Pet Safe 128 Ounces**Agrisel**$99.52**257 rev7y ago](https://www.amazon.com/dp/B01J4C3P5Q) [**Alligare Diquat Herbicide to Control Bluegrass Duckweed Hydrilla & More - Glyphosate Alternative Fast-Acting Non-Selective Liquid Weed Killer for Aquatic & Landscape Use - 1 Quart**ALLIGARE**$34.71**1,296 rev12y ago](https://www.amazon.com/dp/B00HMBPGD6) [**Alligare Diquat 1 Gallon**ALLIGARE**$91.59**152 rev14y ago](https://www.amazon.com/dp/B007R7LDUU)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Diquat SPC 2L by Nufarm**Nufarm**$87.71**3.5★**▲ 128%**](https://www.amazon.com/dp/B0GZLYGNDB) [**Tsunami DQ Aquatic Herbicide - Gallon - 37.3 Percent Diquat Dibromide - Concentrated Aquatic Weed Killer for Lakes and Ponds - Duckweed Watermeal Curly Leaf Pondweed & Many More**Crystal Blue**$117.17**4.5★**▲ 18%**](https://www.amazon.com/dp/B004KTL600) [**Agrisel Diquat Weed Killer Fast-Acting Formula for Aquatic and Landscape Weeds Safe on Ornamentals Visible Results in 1-2 Days Pet Safe 32 Ounces**Agrisel**$51.50**4.5★**▲ 12%**](https://www.amazon.com/dp/B00QTKUJMY) [**Alligare Diquat Herbicide to Control Bluegrass Duckweed Hydrilla & More - Glyphosate Alternative Fast-Acting Non-Selective Liquid Weed Killer for Aquatic & Landscape Use - 1 Gallon (128oz)**ALLIGARE**$74.27**4.5★**— 3%**](https://www.amazon.com/dp/B00C4Y228S) [**Diquat Weed Killer Fast-Acting Formula for Aquatic and Landscape Weeds Safe on Ornamentals Visible Results in 1-2 Days Pet Safe 128 Ounces**Agrisel**$99.52**4.5★**— 3%**](https://www.amazon.com/dp/B01J4C3P5Q)
**~~View all trending →~~**
## **What buyers say about diquat**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Pest/Insect Control**39%
*“Killed weeds in pond effectively and quickly”*
**Quality-Overall**19%
*“Great product”*
**Plant Growth**13%
*“this product helped with the midsummer bloom”*
**Value For Money**7%
*“out to my cabana great product the cost is reasonable”*
**Advertised Vs Actual Product**5%
*“Worked just as described”*
**Ease Of Use**5%
*“its very easy to use”*
**Leak-Proof**5%
*“No leaks got out”*
### **What buyers complain about **
**Value For Money**26%
*“very expensive”*
**Durability**17%
*“it all looked dead within a week or two”*
**Moist/Dry**11%
*“Diquat container had dried material around cap”*
**Leak-Proof**9%
*“close to half of it leaked out before or during shipment”*
**Instructions/User Manual/Troubleshooting**6%
*“Instructions are unreadable as they are soaked with the chemical”*
**Plant Growth**6%
*“Instant death of plants”*
**Color**4%
*“Next morning it was completely blue”*
### **Top return reasons **
**Leak-Proof**100%
## **Common questions**
- **Is diquat profitable to sell on Amazon United States?**
- The niche generates $308K/yr across 10 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +109.5%. Flapen's verdict: Worth a look (57/100).
- **How competitive is the diquat niche?**
- 4 brands and 27 sellers compete. The top 5 products take 85% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in diquat?**
- Top complaints mined from reviews: Value For Money, Durability, Moist/Dry. The return rate is 0.0%.
- **When does demand for diquat peak?**
- Demand peaks in Apr–May–Jun–Jul–Aug; the busiest month runs 7.5× the quietest.
- **What does it cost to enter the diquat niche?**
- Listings span $34.71–$214.32; the average listing price is $85.81 (sweet spot $15–$100). The average incumbent carries 607 reviews — the moat a new listing must climb.
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