---
title: "Cutrine Plus Algaecide — $237K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/patio-lawn-garden/cutrine-plus-algaecide"
last_updated: "2026-08-10T13:42:53.498Z"
locale: en
meta:
description: "Niche score 60/100 · $237K/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 60/100 · $237K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Cutrine Plus Algaecide — $237K/yr Amazon US Niche (2026) - Flapen"
---
# **cutrine plus algaecide**
**Worth a look**
Shows low returns (0.1%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 45Growth 99Conversion 95Competition 2Returns 100Price range 65Avg price 83Brand share 0Review moat 74Quality gap 70
**Returns**
**Incredible****0.1%**
return rate — above 5% kills the launch gate
**Growth**
**Incredible****+266.1%**
90-day search growth — must beat 0% to launch
**Conversion**
**Incredible****12.6%**
search→purchase rate — share of searches ending in a sale
**Avg price**
**Great****$77.57**
avg listing price — sweet spot $15–$100
**Review moat**
**Good****544.17**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Good****4.3★**
avg incumbent rating — lower means beatable quality
**Price range**
**Good****$40.54–$131.59**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Market size**
**Okay****$237K**
$237K/yr · 24K searches
**Competition**
**Bad****97%**
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, cutrine plus algaecide is a $237K/yr Amazon United States market (24K searches/yr). The top 5 brands hold 100% of demand. Verdict: Worth a look — 60/100.
Data updated Jul 16, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **cutrine plus algaecide market data**
- **Units sold / yr**
- **4K–5K**
- avg 500–750/product
- **Revenue / yr**
- **$310K–$388K**
- units × avg price
- **Conversion rate**
- **12.6%**
- **Avg BSR**
- **#209**
- **Page quality**
- **0%**
- **Prime**
- **67%**
- **Sponsored**
- **83%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **79 months**
- **Avg seller age**
- **164 days**
## **Competition & brand share**
The top 5 products capture 97% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**3 **▼falling
**Sellers**
**34**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**97%**
Top 20: 100%
**Open market**
**0%**
- APPLIED BIOCHEMISTS92% - Applied Biochemists5% - Crystal Blue3%
## **Demand**
Weekly Amazon search volume, last 19 weeks — +266.1% search growth over the last 90 days.
1K800Spike '26Mar '26Mar '26Apr '26May '26May '26Jun '26
[**Open Trend **](https://flapen.com/research/us/patio-lawn-garden/cutrine-plus-algaecide/trend)
## **Top cutrine plus algaecide search terms**
- **cutrine plus algaecide**13K/yr+281.0%15.0% conv. - **cutrine plus**7K/yr+299.7%10.6% conv. - **cutrine**2K/yr+231.6%13.8% conv. - **cutrine plus granular**3K/yr+128.3%9.0% conv. [**All search terms **](https://flapen.com/research/us/patio-lawn-garden/cutrine-plus-algaecide/search-terms)
## **Top cutrine plus algaecide 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%15%$35K30%$71K45%$106K60%$142K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 6 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Cutrine-Plus Liquid Algaecide - 1 Gallon EPA-Approved Copper Formula for Fast Control of Planktonic Filamentous and Chara Algae - Professional-Grade for Ponds Lakes Hatcheries & Irrigation Systems**APPLIED BIOCHEMISTS**$48.44**4.4★1,441 rev](https://www.amazon.com/dp/B000HHS7EW) [2**Cutrine-Plus Granulated Algaecide - 30 lbs. Professional-Grade Algae Killer for Lakes & Ponds EPA Approved to Control All Types of Algae (Planktonic Filamentous and Chara)**APPLIED BIOCHEMISTS**$118.50**4.3★590 rev](https://www.amazon.com/dp/B000I1POM0) [3**Cutrine-Plus Granular Algaecide - 12 lbs EPA-Approved Copper Formula for Spot Treatment of Chara Filamentous and Planktonic Algae - Fast-Acting Safe for Lakes Ponds Livestock and Irrigation Use**APPLIED BIOCHEMISTS**$64.75**4.2★76 rev](https://www.amazon.com/dp/B007YZ2P8Y) [4**Cutrine-Plus Aquatic Algaecide - 2.5 Gallon Liquid Copper Formula for Planktonic and Filamentous Algae - Fast-Acting Double-Chelated for Hard Water - Used by Pros in Ponds Lakes Canals and Reservoirs**APPLIED BIOCHEMISTS**$131.59**4.5★218 rev](https://www.amazon.com/dp/B002HJBNLC) [5**1 Gallon - Cutrine Plus Liquid Algaecide**Applied Biochemists**$61.62**4.6★16 rev](https://www.amazon.com/dp/B002BG8CAQ)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Cutrine-Plus Aquatic Algaecide - 2.5 Gallon Liquid Copper Formula for Planktonic and Filamentous Algae - Fast-Acting Double-Chelated for Hard Water - Used by Pros in Ponds Lakes Canals and Reservoirs**APPLIED BIOCHEMISTS**$131.59**218 rev8y ago](https://www.amazon.com/dp/B002HJBNLC) [**1 Gallon - Cutrine Plus Liquid Algaecide**Applied Biochemists**$61.62**16 rev14y ago](https://www.amazon.com/dp/B002BG8CAQ) [**Cutrine-Plus Granular Algaecide - 12 lbs EPA-Approved Copper Formula for Spot Treatment of Chara Filamentous and Planktonic Algae - Fast-Acting Safe for Lakes Ponds Livestock and Irrigation Use**APPLIED BIOCHEMISTS**$64.75**76 rev14y ago](https://www.amazon.com/dp/B007YZ2P8Y) [**Cutrine-Plus Liquid Algaecide - 1 Gallon EPA-Approved Copper Formula for Fast Control of Planktonic Filamentous and Chara Algae - Professional-Grade for Ponds Lakes Hatcheries & Irrigation Systems**APPLIED BIOCHEMISTS**$48.44**1,441 rev19y ago](https://www.amazon.com/dp/B000HHS7EW) [**Cutrine-Plus Granulated Algaecide - 30 lbs. Professional-Grade Algae Killer for Lakes & Ponds EPA Approved to Control All Types of Algae (Planktonic Filamentous and Chara)**APPLIED BIOCHEMISTS**$118.50**590 rev19y ago](https://www.amazon.com/dp/B000I1POM0)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Cutrine-Plus Granular Algaecide - 12 lbs EPA-Approved Copper Formula for Spot Treatment of Chara Filamentous and Planktonic Algae - Fast-Acting Safe for Lakes Ponds Livestock and Irrigation Use**APPLIED BIOCHEMISTS**$64.75**4.2★**▲ 33%**](https://www.amazon.com/dp/B007YZ2P8Y) [**1 Gallon - Cutrine Plus Liquid Algaecide**Applied Biochemists**$61.62**4.6★**▲ 17%**](https://www.amazon.com/dp/B002BG8CAQ) [**Cutrine-Plus Granulated Algaecide - 30 lbs. Professional-Grade Algae Killer for Lakes & Ponds EPA Approved to Control All Types of Algae (Planktonic Filamentous and Chara)**APPLIED BIOCHEMISTS**$118.50**4.3★**— 1%**](https://www.amazon.com/dp/B000I1POM0) [**Cutrine-Plus Aquatic Algaecide - 2.5 Gallon Liquid Copper Formula for Planktonic and Filamentous Algae - Fast-Acting Double-Chelated for Hard Water - Used by Pros in Ponds Lakes Canals and Reservoirs**APPLIED BIOCHEMISTS**$131.59**4.5★**— 1%**](https://www.amazon.com/dp/B002HJBNLC) [**Cutrine-Plus Liquid Algaecide - 1 Gallon EPA-Approved Copper Formula for Fast Control of Planktonic Filamentous and Chara Algae - Professional-Grade for Ponds Lakes Hatcheries & Irrigation Systems**APPLIED BIOCHEMISTS**$48.44**4.4★**— 5%**](https://www.amazon.com/dp/B000HHS7EW)
**~~View all trending →~~**
## **What buyers say about cutrine plus algaecide**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**18%
*“Great product”*
**Advertised Vs Actual Product**17%
*“works as advertised”*
**Ease Of Use**17%
*“Easy to use”*
**Value For Money**12%
*“Good price”*
**Ease Of Cleaning**9%
*“Clean pond”*
**Plant Growth**9%
*“Works great on algae”*
**Safety Standards**9%
*“Cutrine: safe and reliable”*
**Water Resistance**9%
*“Water looks great”*
### **What buyers complain about **
**Functionality-Overall**44%
*“Not working”*
**Value For Money**31%
*“Not cheap”*
**Plant Growth**13%
*“The shallow part develops a lot of algae”*
**Leak-Proof**13%
*“Product delivered leaking”*
### **Top return reasons **
**Advertised Vs Actual Product**24%
**Functionality-Overall**23%
**Leak-Proof**21%
**Value For Money**6%
**Hard Feel**5%
**Defective Material/Parts**3%
**Certifications**3%
**Size-Overall**3%
**Color**3%
**Material Quality**3%
## **Common questions**
- **Is cutrine plus algaecide profitable to sell on Amazon United States?**
- The niche generates $237K/yr across 6 tracked products. 90-day search growth is +266.1%. Flapen's verdict: Worth a look (60/100).
- **How competitive is the cutrine plus algaecide niche?**
- 3 brands and 34 sellers compete. The top 5 products take 97% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in cutrine plus algaecide?**
- Top complaints mined from reviews: Functionality-Overall, Value For Money, Plant Growth. The return rate is 0.1%.
- **What does it cost to enter the cutrine plus algaecide niche?**
- Listings span $40.54–$131.59; the average listing price is $77.57 (sweet spot $15–$100). The average incumbent carries 544 reviews — the moat a new listing must climb.
## **Related niches in Patio, Lawn & Garden**
- 82 [**lawn aerator**](https://flapen.com/research/us/patio-lawn-garden/lawn-aerator)$6.2M/yr+90.1%**Launch it**- 82 [**shepherds hooks for outdoor**](https://flapen.com/research/us/patio-lawn-garden/shepherds-hooks-for-outdoor)$3.9M/yr+141.2%**Launch it**- 82 [**garden mesh**](https://flapen.com/research/us/patio-lawn-garden/garden-mesh)$716K/yr+152.7%**Worth a look**- 83 [**chicken waterer**](https://flapen.com/research/us/patio-lawn-garden/chicken-waterer)$3.4M/yr+70.1%**Launch it**- 83 [**75 foot garden hose**](https://flapen.com/research/us/patio-lawn-garden/75-foot-garden-hose)$1.8M/yr+117.6%**Launch it**- 83 [**bird deterrents for outside**](https://flapen.com/research/us/patio-lawn-garden/bird-deterrents-for-outside)$2.1M/yr+131.5%**Launch it**[**All Patio, Lawn & Garden niches **](https://flapen.com/research/us/patio-lawn-garden)