---
title: "Algaecide 60 — $299K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/patio-lawn-garden/algaecide-60"
last_updated: "2026-08-09T10:49:40.960Z"
locale: en
meta:
description: "Niche score 64/100 · $299K/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 64/100 · $299K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Algaecide 60 — $299K/yr Amazon US Niche (2026) - Flapen"
---
# **algaecide 60**
**Worth a look**
Shows demand growing +294.6% this quarter, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 51Growth 100Conversion 96Competition 21Returns 99Price range 95Avg price 95Brand share 32Review moat 41Quality gap 38
**Growth**
**Incredible****+294.6%**
90-day search growth — must beat 0% to launch
**Returns**
**Incredible****0.2%**
return rate — above 5% kills the launch gate
**Conversion**
**Incredible****13.4%**
search→purchase rate — share of searches ending in a sale
**Avg price**
**Incredible****$40.72**
avg listing price — sweet spot $15–$100
**Price range**
**Incredible****$14.88–$93.02**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Market size**
**Good****$299K**
$299K/yr · 55K searches
**Review moat**
**Okay****2,359.54**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Brand share**
**Okay****86%**
top-5 brand share — brands hold most of the demand
**Competition**
**Bad****74%**
top-5 click share — a locked-up shelf
**Signals**[** Trending**](https://flapen.com/research/niches?market=us&signal=trending "Search growth > 100% (90d)")
According to Flapen's Amazon United States niche tracking, algaecide 60 is a $299K/yr Amazon United States market (55K searches/yr). The top 5 brands hold 86% of demand. Demand peaks in May–Jun–Jul–Aug–Sep. Verdict: Worth a look — 64/100.
Data updated Jul 24, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **algaecide 60 market data**
- **Units sold / yr**
- **6K–8K**
- avg 500–750/product
- **Revenue / yr**
- **$244K–$326K**
- units × avg price
- **Conversion rate**
- **13.4%**
- **Avg BSR**
- **#43**
- **Page quality**
- **0%**
- **Prime**
- **69%**
- **Sponsored**
- **100%**
- **Out of stock**
- **2.4%**
- **Avg brand age**
- **129 months**
- **Avg seller age**
- **162 days**
## **Competition & brand share**
The top 5 products capture 74% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**9 **▲rising
**Sellers**
**69**
**Top-5 brand share**
**86%**
Top 20: 100%
**Top-5 click share**
**74%**
Top 20: 100%
**Open market**
**9%**
- In The Swim40% - Pool Season20% - Doheny's14% - MAV AquaDoc6% - CLOROX Pool&Spa5% - POOLIFE5% - Open — no brand owns it (3 brands, 9%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +294.6% search growth over the last 90 days.
3K2KSpike '24Spike '25Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: May, Jun, Jul, Aug, Sep · busiest ÷ quietest = 21.3×
[**Open Trend **](https://flapen.com/research/us/patio-lawn-garden/algaecide-60/trend)
## **Top algaecide 60 search terms**
- **algaecide 60**16K/yr+279.6%10.9% conv. - **polyquat 60 algaecide**13K/yr+300.2%13.2% conv. - **algaecide 60 for swimming pool**7K/yr+381.4%13.9% conv. - **polyquat 60**9K/yr+202.9%10.1% conv. - **polyquat 60 algaecide for pool**5K/yr+356.0%14.3% conv. - **poly 60 algaecide**3K/yr+383.3%7.8% conv. - **polyquat algaecide**2K/yr+250.2%10.2% conv. [**All search terms **](https://flapen.com/research/us/patio-lawn-garden/algaecide-60/search-terms)
## **Top algaecide 60 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%$30K20%$60K30%$90K40%$119K101001K10K100K 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**In The Swim Algaecide 60 Plus for Swimming Pools - Non-Metallic Low Odor Non-Foaming Algae Bloom Preventative - Chlorine Sanitizer Compatible - 1 Quart**In The Swim**$27.21**4.6★2,453 rev](https://www.amazon.com/dp/B002WKJAYS) [2**Polyquat 60 Algaecide for Swimming Pool Highly Concentrated Pool Algaecide & Algae Killer for Black Green & Mustard Algae Inground & Above Ground Pools Professional Grade Treatment 32 oz**Pool Season**$36.60**4.3★64 rev](https://www.amazon.com/dp/B0F5HWT1CH) [3**Dohenys Algaecide 60 | Pro-Grade Metal-Free & Non-Foaming | Prevents All Algae Types | No Stains or Clouding | Safe for Salt Chlorine & Bromine Pools | Treats 160 000 Gallons | 4 x 40oz (160oz)**Doheny's**$93.02**4.7★743 rev](https://www.amazon.com/dp/B07RWPD4G4) [4**Clorox Pool&Spa Swimming Pool Algaecide and Clarifier Prevents and Treats Pool Algae Clears Water 128 Fl Oz (Pack of 1)**CLOROX Pool&Spa**$14.88**4.5★15,560 rev](https://www.amazon.com/dp/B01N132P9C) [5**Poolife Super AlgaeBomb 60 Algaecide 1 Qt - Powerful Pool Algae Control Treatment - Fast-Acting Non-Foaming Formula - Kills & Prevents Green Black & Mustard Algae - for Pools Spas & Fountains**POOLIFE**$27.52**4.5★577 rev](https://www.amazon.com/dp/B007AYUCRK)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**AquaDoc Algae Smash Polyquat 60 Algaecide for Swimming Pools - 64 oz - Non-Foaming Non-Staining Formula to Help Remove and Prevent Algae in Inground and Above Ground Pools - Made in USA**MAV AquaDoc**$59.06**85 rev2mo ago](https://www.amazon.com/dp/B0GZ16XHZZ) [**AquaDoc Algae Smash Polyquat 60 Algaecide for Swimming Pools - 32 oz - Non-Foaming Non-Staining Formula to Help Remove and Prevent Algae in Inground and Above Ground Pools - Made in USA**MAV AquaDoc**$36.68**85 rev3mo ago](https://www.amazon.com/dp/B0GY262MR5) [**Polyquat 60 Algaecide for Swimming Pool Highly Concentrated Pool Algaecide & Algae Killer for Black Green & Mustard Algae Inground & Above Ground Pools Professional Grade Treatment 32 oz**Pool Season**$36.60**64 rev1y ago](https://www.amazon.com/dp/B0F5HWT1CH) [**HTH 67244 Swimming Pool Care Algae Guard Ultra - Long Lasting Formula Eliminates & Prevents Green Black and Mustard Algae Fast Acting & Effective Swimming Pool Chemical 32oz**HTH**$27.99**213 rev1y ago](https://www.amazon.com/dp/B0DQ58YSQG) [**Dohenys Algaecide 60 | Pro-Grade Metal-Free & Non-Foaming | Prevents All Algae Types | No Stains or Clouding | Safe for Salt Chlorine & Bromine Pools | Treats 160 000 Gallons | 4 x 40oz (160oz)**Doheny's**$93.02**743 rev6y ago](https://www.amazon.com/dp/B07RWPD4G4)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**AquaDoc Algae Smash Polyquat 60 Algaecide for Swimming Pools - 64 oz - Non-Foaming Non-Staining Formula to Help Remove and Prevent Algae in Inground and Above Ground Pools - Made in USA**MAV AquaDoc**$59.06**4.2★**▲ 100%**](https://www.amazon.com/dp/B0GZ16XHZZ) [**AquaDoc Algae Smash Polyquat 60 Algaecide for Swimming Pools - 32 oz - Non-Foaming Non-Staining Formula to Help Remove and Prevent Algae in Inground and Above Ground Pools - Made in USA**MAV AquaDoc**$36.68**4.2★**▲ 99%**](https://www.amazon.com/dp/B0GY262MR5) [**Polyquat 60 Algaecide for Swimming Pool Highly Concentrated Pool Algaecide & Algae Killer for Black Green & Mustard Algae Inground & Above Ground Pools Professional Grade Treatment 32 oz**Pool Season**$36.60**4.3★**▲ 70%**](https://www.amazon.com/dp/B0F5HWT1CH) [**HTH 67244 Swimming Pool Care Algae Guard Ultra - Long Lasting Formula Eliminates & Prevents Green Black and Mustard Algae Fast Acting & Effective Swimming Pool Chemical 32oz**HTH**$27.99**4.5★**▲ 14%**](https://www.amazon.com/dp/B0DQ58YSQG) [**In The Swim Algaecide 60 Plus for Swimming Pools - Non-Metallic Low Odor Non-Foaming Algae Bloom Preventative - Chlorine Sanitizer Compatible - 1 Gallon**In The Swim**$84.06**4.6★**▲ 11%**](https://www.amazon.com/dp/B002WKSB1G)
**~~View all trending →~~**
## **What buyers say about algaecide 60**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**20%
*“No complaints”*
**Value For Money**17%
*“Excellent value”*
**Advertised Vs Actual Product**13%
*“Performed as advertised”*
**Ease Of Use**11%
*“Easy to use”*
**Ease Of Cleaning**9%
*“Help keep the pool clean works well I do buy it often”*
**Pureness**5%
*“Great pool clarity now”*
**Water Resistance**5%
*“It kept my pool water clear”*
**Color**2%
*“Green to Blue”*
**Locally Manufactured**2%
*“Another thing I appreciate is that it's made in the USA”*
**Smell**2%
*“Didn't smell any odor from using it even in high initial doses”*
### **What buyers complain about **
**Functionality-Overall**34%
*“It never worked”*
**Value For Money**10%
*“I thought it was expensive”*
**Quality-Overall**9%
*“Poor quality control”*
**Contamination**8%
*“Using this will kill the algae”*
**Leak-Proof**5%
*“Leaked out”*
**Water Resistance**3%
*“Water not cleared”*
**Color**3%
*“Did not know this product has a blue tint to it”*
**Advertised Vs Actual Product**3%
*“Not as promised”*
**Smell**2%
*“it has no odor”*
**Ease Of Cleaning**2%
*“Don't keep clean”*
### **Top return reasons **
**Leak-Proof**36%
**Functionality-Overall**19%
**Advertised Vs Actual Product**16%
**Value For Money**15%
**Filtration**2%
**Defective Material/Parts**2%
**Water Resistance**1%
**Size-Overall**1%
**Smell**1%
**Contamination**1%
## **Common questions**
- **Is algaecide 60 profitable to sell on Amazon United States?**
- The niche generates $299K/yr across 13 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is +294.6%. Flapen's verdict: Worth a look (64/100).
- **How competitive is the algaecide 60 niche?**
- 9 brands and 69 sellers compete. The top 5 products take 74% of clicks and top 5 brands hold 86% of demand.
- **What do buyers complain about in algaecide 60?**
- Top complaints mined from reviews: Functionality-Overall, Value For Money, Quality-Overall. The return rate is 0.2%.
- **When does demand for algaecide 60 peak?**
- Demand peaks in May–Jun–Jul–Aug–Sep; the busiest month runs 21.3× the quietest.
- **What does it cost to enter the algaecide 60 niche?**
- Listings span $14.88–$93.02; the average listing price is $40.72 (sweet spot $15–$100). The average incumbent carries 2,360 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)