Algaecide for Ponds with Fish
PassAlgaecide for Ponds with Fish scores 75 out of 100, a Pass. Shoppers spend an estimated $1.2M a year here, search demand grew +213.4% this quarter, and an estimated 0.6% of orders come back.
- Flapen Score
- 75 / 100Top 2% of 8,839 Patio, Lawn & Garden niches · +19 vs the category median of 5675
- Market size
- $1.2M/yr269K searches / yr
- 90-day growth
- +213.4%search demand this quarter
- Competition
- 57%top-5 click share · 12 brands · 95 sellers
Flapen Score
Algaecide for Ponds with Fish against its category
The dotted line is the Patio, Lawn & Garden average. Past it, Algaecide for Ponds with Fish is stronger. Inside it, weaker.
Market
The Algaecide for Ponds with Fish market on Amazon at a glance
Shoppers on Amazon United States searched for Algaecide for Ponds with Fish 269K times last year and spent an estimated $1.2M. The top 5 brands take 84% of clicks. Demand peaks in May–Jun–Jul–Aug. Flapen scores it 75 out of 100, a Pass.
01 · Demand
An estimated 14.4% of those searches ended in a purchase.
Shoppers searched for this 269K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 14.4% of those searches ended in a purchase. Searches in the last 90 days moved +213.4% against the 90 days before. Searches, conversion and average price together put the market at an estimated $1.2M a year.
- Searches, last 12 months
- 269K
- Growth, 90 days vs prior 90
- +213.4%
- Conversion, latest week
- 14.4%
- Market size, estimated
- $1.2Ma year
- Peak month
- June12.0× the quietest month
- Top search term
- algaecide for pond45K searches a year
02 · Price
A sale here is worth $31.27.
Listings sell for $31.27 on average, from $10.58 to $56.82. Amazon reports units sold in ranges. This niche sold 40K to 50K a year. The average listing sells 1,500 to 2,000 of them. At $31.27 that is $47K to $63K a year per listing.
- Average price
- $31.27inside the $15 to $100 sweet spot
- Price range
- $10.58–$56.82
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 40K–50K
- Units per listing a year
- 1,500–2,000
- Revenue per listing a year
- $47K–$63K
- Returns
- 0.6%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is reviews.
77% of listings pay for placement with sponsored ads. 91% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #26 within Water Gardens & Ponds. It carries 6,017 reviews at 4.19 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 77%
- Prime listings
- 91%
- Out of stock, average day
- 0.0%
- Average rank
- #26in Water Gardens & Ponds
- Average rating
- 4.19 starsAmazon United States average 4.42 stars
- Average reviews
- 6,017per listing
- Listings tracked
- 22
04 · Newcomers
Brands here are established.
The brands on the shelf have sold for 103 months on average, so the names here are established.
- Launched, last 12 months
- 0
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 103 months
Products
Top Algaecide for Ponds with Fish products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 16, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
API POND ALGAEFIX (32 fl oz) Pond Algae Control - Copper Free - Clean Clear Water - Up to 9600 Gallons - Safe for Fish & Plants - Water Gardens Fountains - Natural Active Ingredient - EPA-Registered
- Price
- $21.82
- Rating
- 4.3/5
- Reviews
- 21,146
- Age
- 22y ago

API POND ALGAEFIX (1 gallon) Pond Algae Control - Copper Free - Clean Clear Water - Up to 38400 Gallons - Safe for Fish Plants - Water Gardens Fountains - Natural Active Ingredient - EPA-Registered
- Price
- $48.17
- Rating
- 4.3/5
- Reviews
- 21,146
- Age
- 21y ago

API POND ALGAEFIX (16 fl oz) Pond Algae Control - Copper Free - Clean Clear Water - Up to 4800 Gallons - Safe for Fish & Plants - Water Gardens Fountains - Natural Active Ingredient - EPA-Registered
- Price
- $14.77
- Rating
- 4.3/5
- Reviews
- 21,146
- Age
- 19y ago

CrystalClear Algae D-Solv EPA Registered Pond Algaecide 16 oz
- Price
- $16.99
- Rating
- 4.1/5
- Reviews
- 4,176
- Age
- 9y ago

MICROBE-LIFT ALGA08 Algaway 5.4 Algae Control Treatment for Ponds and Water Gardens Safe for Koi Fish Goldfish Plants and Decorations 8 Ounces
- Price
- $10.58
- Rating
- 4.2/5
- Reviews
- 2,030
- Age
- 17y ago
Trending
estimated 90-day click momentum
API POND ALGAEFIX (16 fl oz) Pond Algae Control - Copper Free - Clean Clear Water - Up to 4800 Gallons - Safe for Fish & Plants - Water Gardens Fountains - Natural Active Ingredient - EPA-Registered
- Price
- $14.77
- Rating
- 4.3/5
- Reviews
- 21,146
- Age
- 19y ago

The Pond Guy InstaFix Algae Control Outdoor Water Garden Fountain & Birdbath Algae Solution EPA Registered Liquid Algaecide Control Green Water & String Algae Bird Fish & Pet Safe 16 Ounce
- Price
- $12.98
- Rating
- 4.1/5
- Reviews
- 528
- Age
- 7y ago

CrystalClear Algae D-Solv EPA Registered Pond Algaecide 16 oz
- Price
- $16.99
- Rating
- 4.1/5
- Reviews
- 4,176
- Age
- 9y ago

Tetra 77188 Algae Control Treats 36000 gallons 101.4-Ounce
- Price
- $40.16
- Rating
- 4.3/5
- Reviews
- 576
- Age
- 20y ago

Aquascape 96022 Algaecide for Pond Waterfall and Water Features 8-Ounce
- Price
- $11.06
- Rating
- 4.3/5
- Reviews
- 2,067
- Age
- 12y ago
Newest
by launch date
ActiClear Muck Clear Natural Pond Sludge Treatment 500 Tablets for Ponds Fountains & Bird Baths Beneficial Bacteria & Enzymes Chemical-Free & Safe for Fish Pets & Wildlife
- Price
- $21.95
- Rating
- 3.8/5
- Reviews
- 635
- Age
- 1y ago

LMJP Pond Clarifier Treatment 12 Packets Natural Pond Water Clear for Outdoor Lakes Beneficial Enzymes to Improve Water Clarity & Eliminate Odor Treats Up to 144000 Sq Ft
- Price
- $56.82
- Rating
- 3.7/5
- Reviews
- 392
- Age
- 1y ago

CrystalClear AlgaeOff String Algae Killer for Pond & Water Garden 8 lbs
- Price
- $49.91
- Rating
- 3.7/5
- Reviews
- 291
- Age
- 4y ago

The Pond Guy InstaFix Algae Control Outdoor Water Garden Fountain & Birdbath Algae Solution EPA Registered Liquid Algaecide Control Green Water & String Algae Bird Fish & Pet Safe 16 Ounce
- Price
- $12.98
- Rating
- 4.1/5
- Reviews
- 528
- Age
- 7y ago

Fountain Algaecide and Clarifier - 8oz - Kills and Inhibits All Types of Algae Growth Formulated for Small Ponds and Water Features Treats up to 8 000 Gallons
- Price
- $16.52
- Rating
- 4.4/5
- Reviews
- 4,729
- Age
- 7y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 57% of clicks. Leaders hold, but buyers still shop past them.
Brands
12 falling
Sellers
95
Est. top-5 brand share
84%
Top 20: 100%
Est. top-5 click share
57%
Top 20: 98%
Open market
11%
- API53%
- CrystalClear15%
- MICROBE-LIFT7%
- The Pond Guy6%
- Crystal Blue4%
- Aquascape4%
- Open — no brand owns it (6 brands, 11%)
Demand
Algaecide for Ponds with Fish search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: May, Jun, Jul, Aug · busiest ÷ quietest = 12.0×
Search terms
Top Algaecide for Ponds with Fish search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- algaecide for pond45K/yr
- pond algae control46K/yr
- pond algae remover safe for fish28K/yr
- algaefix21K/yr
- pond algaecide17K/yr
- algaefix for ponds21K/yr
- pond algae remover13K/yr
- algae remover for ponds8K/yr
- algae fix9K/yr
- algaecide for ponds with fish6K/yr
Reviews and returns
What reviews say buyers love and hate about Algaecide for Ponds with Fish
We read the reviews and the return reasons for every product selling here.
“Not effective”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
18 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Algaecide for Ponds with Fish questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









