Yellow Out Algae Pool Treatment
PassYellow Out Algae Pool Treatment scores 66 out of 100, a Pass. Shoppers spend an estimated $1.0M a year here, search demand grew +261.0% this quarter, and an estimated 0.3% of orders come back.
- Flapen Score
- 66 / 100Top 13% of 8,839 Patio, Lawn & Garden niches · +10 vs the category median of 5666
- Market size
- $1.0M/yr194K searches / yr
- 90-day growth
- +261.0%search demand this quarter
- Competition
- 77%top-5 click share · 6 brands · 59 sellers
Flapen Score
Yellow Out Algae Pool Treatment against its category
The dotted line is the Patio, Lawn & Garden average. Past it, Yellow Out Algae Pool Treatment is stronger. Inside it, weaker.
Market
The Yellow Out Algae Pool Treatment market on Amazon at a glance
Shoppers on Amazon United States searched for Yellow Out Algae Pool Treatment 194K times last year and spent an estimated $1.0M. The top 5 brands take 98% of clicks. Demand peaks in Jun–Jul–Aug. Flapen scores it 66 out of 100, a Pass.
01 · Demand
An estimated 16.3% of those searches ended in a purchase.
Shoppers searched for this 194K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 16.3% of those searches ended in a purchase. Searches in the last 90 days moved +261.0% against the 90 days before. Searches, conversion and average price together put the market at an estimated $1.0M a year.
- Searches, last 12 months
- 194K
- Growth, 90 days vs prior 90
- +261.0%
- Conversion, latest week
- 16.3%
- Market size, estimated
- $1.0Ma year
- Peak month
- July12.9× the quietest month
- Top search term
- yellow out45K searches a year
02 · Price
A sale here is worth $32.16.
Listings sell for $32.16 on average, from $9.52 to $85.03. Amazon reports units sold in ranges. This niche sold 30K to 40K a year. The average listing sells 2,500 to 3,000 of them. At $32.16 that is $80K to $96K a year per listing.
- Average price
- $32.16inside the $15 to $100 sweet spot
- Price range
- $9.52–$85.03
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 30K–40K
- Units per listing a year
- 2,500–3,000
- Revenue per listing a year
- $80K–$96K
- Returns
- 0.3%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is reviews.
75% of listings pay for placement with sponsored ads. 92% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #57 within Cleaning Tools & Chemicals. It carries 2,631 reviews at 4.41 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 75%
- Prime listings
- 92%
- Out of stock, average day
- 0.0%
- Average rank
- #57in Cleaning Tools & Chemicals
- Average rating
- 4.41 starsAmazon United States average 4.42 stars
- Average reviews
- 2,631per listing
- Listings tracked
- 12
04 · Newcomers
Brands here are established.
The brands on the shelf have sold for 65 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
- 65 months
Products
Top Yellow Out Algae Pool Treatment 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 24, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Yellow Out Swimming Pool Chlorine Shock Enhancing Treatment - 2 lbs.
- Price
- $19.50
- Rating
- 4.3/5
- Reviews
- 1,958
- Age
- 16y ago

United Chemicals Yellow Treat Mustard Algaecide for Swimming Pool Super Strength Algae Killer for Mustard & Yellow Algae in Saltwater & Chlorine Above & Inground Pool Treatment | YT2-2LB
- Price
- $24.51
- Rating
- 4.3/5
- Reviews
- 2,032
- Age
- 16y ago

United Chemical Yellow Treat Mustard Algaecide 5 oz
- Price
- $9.52
- Rating
- 4.3/5
- Reviews
- 408
- Age
- 11y ago

United Chemicals YellowTreat Mustard Algaecide for Swimming Pool Super Strength Algae Killer for Mustard & Yellow Algae in Saltwater & Chlorine Above & Inground Pool Treatment | YT2-2LB-C2
- Price
- $41.71
- Rating
- 4.5/5
- Reviews
- 1,195
- Age
- 12y ago

Yellow Out Swimming Pool Chlorine Shock Enhancing Treatment - 4 lbs.
- Price
- $30.77
- Rating
- 4.4/5
- Reviews
- 2,233
- Age
- 16y ago
Trending
estimated 90-day click momentum
In The Swim Quick Clear Yellow - Turn Your Pool Water from Yellow and Cloudy to Sparkling Blue - 2 Pound
- Price
- $18.45
- Rating
- 4.2/5
- Reviews
- 16
- Age
- 1y ago

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
- Price
- $29.09
- Rating
- 4.2/5
- Reviews
- 1,291
- Age
- 2y ago

Applied Biochemists Pool 408622A Yellowtrine Swimming Pool Algaecide Cleanser 3 lbs
- Price
- $34.99
- Rating
- 4.3/5
- Reviews
- 439
- Age
- 15y ago

Yellow Out Swimming Pool Chlorine Shock Enhancing Treatment - 2 x 4 Pounds
- Price
- $56.82
- Rating
- 4.7/5
- Reviews
- 502
- Age
- 16y ago

Yellow Out Swimming Pool Chlorine Shock Enhancing Treatment - 2 lbs.
- Price
- $19.50
- Rating
- 4.3/5
- Reviews
- 1,958
- Age
- 16y ago
Newest
by launch date
In The Swim Quick Clear Yellow - Turn Your Pool Water from Yellow and Cloudy to Sparkling Blue - 2 Pound
- Price
- $18.45
- Rating
- 4.2/5
- Reviews
- 16
- Age
- 1y ago

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
- Price
- $29.09
- Rating
- 4.2/5
- Reviews
- 1,291
- Age
- 2y ago

United Chemicals Yellow Treat 2 lb - YT-C12 - 4 PACK
- Price
- $85.03
- Rating
- 4.6/5
- Reviews
- 157
- Age
- 8y ago

Clorox Pool&Spa Swimming Pool Algaecide and Clarifier Prevents and Treats Pool Algae Clears Water 128 Fl Oz (Pack of 1)
- Price
- $14.88
- Rating
- 4.5/5
- Reviews
- 15,560
- Age
- 9y ago

United Chemical Yellow Treat Mustard Algaecide 5 oz
- Price
- $9.52
- Rating
- 4.3/5
- Reviews
- 408
- Age
- 11y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 77% of clicks. A locked shelf that new listings rarely crack.
Brands
6 falling
Sellers
59
Est. top-5 brand share
98%
Top 20: 100%
Est. top-5 click share
77%
Top 20: 100%
Open market
0%
- Coral Seas43%
- United Chemical41%
- In The Swim7%
- APPLIED BIOCHEMISTS4%
- CLOROX Pool&Spa4%
- MAV AquaDoc2%
Demand
Yellow Out Algae Pool Treatment search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Jun, Jul, Aug · busiest ÷ quietest = 12.9×
Search terms
Top Yellow Out Algae Pool Treatment search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- yellow out45K/yr
- yellow out pool treatment18K/yr
- mustard algae pool treatment22K/yr
- yellow treat algaecide19K/yr
- mustard algae eliminator9K/yr
- yellow algae pool treatment13K/yr
- yellow treat12K/yr
- stop yellow algae pool treatment7K/yr
- yellow out for pools4K/yr
- yellow gone for pools5K/yr
Reviews and returns
What reviews say buyers love and hate about Yellow Out Algae Pool Treatment
We read the reviews and the return reasons for every product selling here.
“Stopped working”
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 Yellow Out Algae Pool Treatment 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









