algaecide for pool
Launch itA $4.2M/yr market growing +327.8% this quarter with returns at 0.2% — clears our launch bar.
Growth
Incredible+327.8%90-day search growth — must beat 0% to launch
Conversion
Incredible18.3%search→purchase rate — share of searches ending in a sale
Returns
Incredible0.2%return rate — above 5% kills the launch gate
Market size
Incredible$4.2M$4.2M/yr · 1.0M searches
Avg price
Great$22.68avg listing price — sweet spot $15–$100
Price range
Great$13.78–$29.09cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Review moat
Bad4,946.5avg incumbent reviews — the moat a new listing must climb
Competition
Bad90%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, algaecide for pool is a $4.2M/yr Amazon United States market (1.0M searches/yr). The top 5 brands hold 100% of demand. Demand peaks in May–Jun–Jul–Aug. Verdict: Launch it — 65/100.
Data updated Jul 24, 2026 · scored weekly · How we score niches
algaecide for pool market data
- Units sold / yr
- 150K–200K
- avg 20,000–25,000/product
- Revenue / yr
- $3.4M–$4.5M
- units × avg price
- Conversion rate
- 18.3%
- Avg BSR
- #8
- Page quality
- 0%
- Prime
- 88%
- Sponsored
- 100%
- Out of stock
- 0.0%
- Avg brand age
- 83 months
- Avg seller age
- 158 days
Competition & brand share
The top 5 products capture 90% of clicks — a locked-up shelf that new listings rarely crack.Brands
4 falling
Sellers
42
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
90%
Top 20: 100%
Open market
0%
- CLOROX Pool&Spa62%
- In The Swim20%
- HTH10%
- MAV AquaDoc8%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +327.8% search growth over the last 90 days.Peak months: May, Jun, Jul, Aug · busiest ÷ quietest = 22.5×
Top algaecide for pool search terms
- algaecide for swimming pool428K/yr
- pool algaecide146K/yr
- algaecide144K/yr
- pool algaecide for inground pool53K/yr
- pool algaecide for above ground pool49K/yr
- algaecide for pool24K/yr
- swimming pool algaecides17K/yr
- algicide20K/yr
- pool algae killer21K/yr
- algecide15K/yr
Top algaecide for pool 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.
All 8 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Clorox Pool&Spa Swimming Pool Algaecide and Clarifier Prevents and Treats Pool Algae Clears Water 128 Fl Oz (Pack of 1)
CLOROX Pool&Spa$14.884.5★15,560 rev

In The Swim Super Algaecide for Above Ground or Inground Swimming Pools Low Odor Non-Foaming Preventative for Yellow/Mustard Algae in Swimming Pools - 7.1% Chelated Copper 1 Quart
In The Swim$20.664.6★5,783 rev

Clorox Pool&Spa Swimming Pool Algaecide Prevents and Treats Pool Algae Non-Foaming 1 Quart (Pack of 1)
CLOROX Pool&Spa$13.784.6★9,836 rev

AquaDoc Copper Pool Algaecide for Swimming Pools - 32 oz - 90 Day Algaecide for Inground & Above Ground Pools - Non-Foaming Non-Staining Formula Reduces Chlorine Demand
MAV AquaDoc$29.094.2★1,291 rev

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$27.994.5★213 rev
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$27.99213 rev

AquaDoc Copper Pool Algaecide for Swimming Pools - 32 oz - 90 Day Algaecide for Inground & Above Ground Pools - Non-Foaming Non-Staining Formula Reduces Chlorine Demand
MAV AquaDoc$29.091,291 rev

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$23.911,996 rev

Clorox Pool&Spa Swimming Pool Algaecide and Clarifier Prevents and Treats Pool Algae Clears Water 128 Fl Oz (Pack of 1)
CLOROX Pool&Spa$14.8815,560 rev

Clorox Pool&Spa Swimming Pool Algaecide Prevents and Treats Pool Algae Non-Foaming 1 Quart (Pack of 1)
CLOROX Pool&Spa$13.789,836 rev
Trending
90-day click momentum
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$27.994.5★

Clorox Pool&Spa XTRABLUE Plus Swimming Pool Algaecide All-in-One Algae Killer Non-Foaming 40 Ounce (Pack of 1)
CLOROX Pool&Spa$23.894.6★

In The Swim Super Algaecide for Above Ground or Inground Swimming Pools Low Odor Non-Foaming Preventative for Yellow/Mustard Algae in Swimming Pools - 7.1% Chelated Copper 1 Quart
In The Swim$20.664.6★

AquaDoc Copper Pool Algaecide for Swimming Pools - 32 oz - 90 Day Algaecide for Inground & Above Ground Pools - Non-Foaming Non-Staining Formula Reduces Chlorine Demand
MAV AquaDoc$29.094.2★

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$27.214.6★
What buyers say about algaecide for pool
What buyers praise and complain about, mined from review topics.What buyers love
“Great product”
“less expensive”
“Performed as advertised”
“Great for keeping your pool clean”
“Easy to use”
“Crystal clear”
“keeps the water looking clean”
“Also the blue color is super cool :”
“Cuts my maintenance time way down”
“Cleared my pool water almost instantly”
What buyers complain about
“It never worked”
“I thought it was expensive”
“actually cheaper cuz of quality”
“Leaked out”
“False advertising”
“Did not know this product has a blue tint to it”
“Water not cleared”
“Don't keep clean”
“I finally used an entire jug in one use and the algae looked like fuzz the next day and was worse, not better”
“Stained my pool”
Top return reasons
Common questions
- Is algaecide for pool profitable to sell on Amazon United States?
- The niche generates $4.2M/yr across 8 tracked products. 90-day search growth is +327.8%. Flapen's verdict: Launch it (65/100).
- How competitive is the algaecide for pool niche?
- 4 brands and 42 sellers compete. The top 5 products take 90% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in algaecide for pool?
- Top complaints mined from reviews: Functionality-Overall, Value For Money, Quality-Overall. The return rate is 0.2%.
- When does demand for algaecide for pool peak?
- Demand peaks in May–Jun–Jul–Aug; the busiest month runs 22.5× the quietest.
- What does it cost to enter the algaecide for pool niche?
- Listings span $13.78–$29.09; the average listing price is $22.68 (sweet spot $15–$100). The average incumbent carries 4,947 reviews — the moat a new listing must climb.