---
title: "Algatec — $222K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/patio-lawn-garden/algatec"
last_updated: "2026-08-06T23:00:32.427Z"
locale: en
meta:
description: "Niche score 57/100 · $222K/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 · $222K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Algatec — $222K/yr Amazon US Niche (2026) - Flapen"
---
# **algatec**
**Worth a look**
Shows demand growing +248.4% this quarter, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 42Growth 99Conversion 97Competition 8Returns 99Price range 95Avg price 95Brand share 0Review moat 36Quality gap 40
**Growth**
**Incredible****+248.4%**
90-day search growth — must beat 0% to launch
**Returns**
**Incredible****0.2%**
return rate — above 5% kills the launch gate
**Conversion**
**Incredible****14.8%**
search→purchase rate — share of searches ending in a sale
**Avg price**
**Incredible****$30.47**
avg listing price — sweet spot $15–$100
**Price range**
**Incredible****$14.88–$42.41**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Market size**
**Okay****$222K**
$222K/yr · 49K searches
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Okay****2,898.78**
avg incumbent reviews — the moat a new listing must climb
**Competition**
**Bad****90%**
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)")
According to Flapen's Amazon United States niche tracking, algatec is a $222K/yr Amazon United States market (49K searches/yr). The top 5 brands hold 100% of demand. Verdict: Worth a look — 57/100.
Data updated Jul 24, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **algatec market data**
- **Units sold / yr**
- **6K–8K**
- avg 500–750/product
- **Revenue / yr**
- **$183K–$244K**
- units × avg price
- **Conversion rate**
- **14.8%**
- **Avg BSR**
- **#35**
- **Page quality**
- **0%**
- **Prime**
- **78%**
- **Sponsored**
- **89%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **119 months**
- **Avg seller age**
- **155 days**
## **Competition & brand share**
The top 5 products capture 90% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**4 **—flat
**Sellers**
**73**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**90%**
Top 20: 100%
**Open market**
**0%**
- HTH77% - EasyCare11% - CLOROX Pool&Spa9% - EASYCARE.3%
## **Demand**
Weekly Amazon search volume, last 12 weeks — +248.4% search growth over the last 90 days.
2K2KSpike '26Prime Day '26May '26May '26May '26Jun '26Jun '26Jul '26
[**Open Trend **](https://flapen.com/research/us/patio-lawn-garden/algatec/trend)
## **Top algatec search terms**
- **hth algae guard**17K/yr+331.1%13.8% conv. - **hth algaecide**6K/yr+609.3%12.7% conv. - **algae guard**5K/yr+443.2%11.7% conv. - **algae killer**5K/yr+101.3%1.9% conv. - **algae guard for swimming pools**3K/yr+255.4%12.9% conv. - **algatec**3K/yr+127.5%19.5% conv. - **hth algae guard advanced**2K/yr+403.1%18.6% conv. - **algatec algaecide for pool**2K/yr+261.6%26.2% conv. - **green algae remover**3K/yr+12.7%0.6% conv. - **algate**2K/yr+150.9%0.0% conv. [**All search terms **](https://flapen.com/research/us/patio-lawn-garden/algatec/search-terms)
## **Top algatec 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%$22K20%$44K30%$67K40%$89K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 9 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**HTH 67084 Pool Care Algae Guard Advanced All Algae Eliminator for Swimming Pools - Fast-Acting Destroys & Prevents Green Black & Mustard Algae Keeps Pool Water Crystal Clear 32 fl oz**HTH**$23.91**4.6★1,996 rev](https://www.amazon.com/dp/B09R82XDTD) [2**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★213 rev](https://www.amazon.com/dp/B0DQ58YSQG) [3**HTH 67243 Swimming Pool Care Advanced Algae Guard - Destroys and Prevents Green Black & Mustard Algae for Crystal Clear Water Fast Acting & Effective Swimming Pool Chemical 32oz**HTH**$19.37**4.7★92 rev](https://www.amazon.com/dp/B0DQ58RNFQ) [4**Algatec Super Algaecide-Clarifier 64 Fl. Oz Bottle**EasyCare**$42.36**4.2★4,106 rev](https://www.amazon.com/dp/B003YJGIE6) [5**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)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**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) [**HTH 67243 Swimming Pool Care Advanced Algae Guard - Destroys and Prevents Green Black & Mustard Algae for Crystal Clear Water Fast Acting & Effective Swimming Pool Chemical 32oz**HTH**$19.37**92 rev1y ago](https://www.amazon.com/dp/B0DQ58RNFQ) [**HTH 67289 Swimming Pool Care Algae Guard Ultra Swimming Pool Chemical Long Lasting Formula 32 fl oz**HTH**$31.43**1,996 rev3y ago](https://www.amazon.com/dp/B0C5J9CFYZ) [**HTH 67084 Pool Care Algae Guard Advanced All Algae Eliminator for Swimming Pools - Fast-Acting Destroys & Prevents Green Black & Mustard Algae Keeps Pool Water Crystal Clear 32 fl oz**HTH**$23.91**1,996 rev4y ago](https://www.amazon.com/dp/B09R82XDTD) [**HTH 67045 Algae Guard 10 for Swimming Pools 1 gal**HTH**$33.66**592 rev5y ago](https://www.amazon.com/dp/B08PG3B4BB)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**HTH 67033 Ultimate Algae Guard Swimming Pool Algaecide Cleanser 1 qt**HTH**$38.21**4.5★**▲ 27%**](https://www.amazon.com/dp/B083X52DZ7) [**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★**▲ 18%**](https://www.amazon.com/dp/B0DQ58YSQG) [**HTH 67289 Swimming Pool Care Algae Guard Ultra Swimming Pool Chemical Long Lasting Formula 32 fl oz**HTH**$31.43**4.6★**▲ 13%**](https://www.amazon.com/dp/B0C5J9CFYZ) [**HTH 67243 Swimming Pool Care Advanced Algae Guard - Destroys and Prevents Green Black & Mustard Algae for Crystal Clear Water Fast Acting & Effective Swimming Pool Chemical 32oz**HTH**$19.37**4.7★**— 8%**](https://www.amazon.com/dp/B0DQ58RNFQ) [**HTH 67045 Algae Guard 10 for Swimming Pools 1 gal**HTH**$33.66**4.6★**— 3%**](https://www.amazon.com/dp/B08PG3B4BB)
**~~View all trending →~~**
## **What buyers say about algatec**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**22%
*“No complaints”*
**Advertised Vs Actual Product**20%
*“Performed as advertised”*
**Value For Money**18%
*“Good price”*
**Ease Of Cleaning**8%
*“Great for keeping your pool clean”*
**Ease Of Use**7%
*“Easy to use”*
**Pureness**6%
*“Great pool clarity now”*
**Water Resistance**6%
*“for four years and it keeps my pool algae free and water clear”*
**Instructions/User Manual/Troubleshooting**3%
*“Follow the directions”*
**Color**2%
*“Green to Blue”*
**Smell**2%
*“smells so clean”*
### **What buyers complain about **
**Functionality-Overall**40%
*“It never worked”*
**Value For Money**10%
*“this time Amazon had a better sale”*
**Quality-Overall**9%
*“Garbage”*
**Advertised Vs Actual Product**5%
*“Misleading”*
**Contamination**4%
*“I finally used an entire jug in one use and the algae looked like fuzz the next day and was worse, not better”*
**Ease Of Cleaning**4%
*“Don't keep clean”*
**Color**4%
*“Did not know this product has a blue tint to it”*
**Water Resistance**3%
*“Water not cleared”*
**Smell**3%
*“it has no odor”*
**Filtration**3%
*“then didnt really coagulate the debris into big enough particles for the filter to catch”*
### **Top return reasons **
**Leak-Proof**38%
**Functionality-Overall**18%
**Advertised Vs Actual Product**16%
**Value For Money**14%
**Filtration**2%
**Water Resistance**2%
**Size-Overall**1%
**Defective Material/Parts**1%
**Contamination**1%
**Smell**1%
## **Common questions**
- **Is algatec profitable to sell on Amazon United States?**
- The niche generates $222K/yr across 9 tracked products. 90-day search growth is +248.4%. Flapen's verdict: Worth a look (57/100).
- **How competitive is the algatec niche?**
- 4 brands and 73 sellers compete. The top 5 products take 90% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in algatec?**
- Top complaints mined from reviews: Functionality-Overall, Value For Money, Quality-Overall. The return rate is 0.2%.
- **What does it cost to enter the algatec niche?**
- Listings span $14.88–$42.41; the average listing price is $30.47 (sweet spot $15–$100). The average incumbent carries 2,899 reviews — the moat a new listing must climb.
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