Skip to content

90 Day Algaecide for Pool

90 Day Algaecide for Pool shows demand growing +275.0% this quarter, but a small market ($22K/yr) keeps it on the watch list.

Signals Trending

Flapen Score

55
Worth a look

Ranks 4,476 of 8,839 Patio, Lawn & Garden niches · −1 vs the category median of 56

Market size 5Growth 99Conversion 83Competition 21Returns 99Price range 73Avg price 95Brand share 18Review moat 44Quality gap 52
This niche Category average · 8,839 niches

Is 90 Day Algaecide for Pool profitable on Amazon?

According to Flapen's Amazon United States niche tracking, 90 Day Algaecide for Pool is a $22K/yr Amazon United States market (6K searches/yr). The top 5 brands hold 93% of demand. Demand peaks in Apr–May–Jun–Jul. Verdict: Worth a look — 55/100.

90 Day Algaecide for Pool: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Worth a look. Search demand moved +275.0% over the last 90 days and 9.1% of searches end in a purchase.

$22K

revenue / yr

Units sold / yr1K
Search volume / yr+275.0%6K
Conversion rate9.1%
Avg price$41.52

Who owns the niche?

The top 5 brands hold 93% of demand, so 7% of the market is open.

7%

open market share

Brands · sellers8 · 61
Top-5 product click share74%
Open market7%
Avg brand age137 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.4★ — the gap to enter on.

0/100

page quality · 14 products

Sponsored placement71%
New entrants (1y)1· 1 succeeded
Avg rating4.4★
Avg reviews2,107

Top 90 Day Algaecide for Pool products & what they sell for

Every tracked product — its share of the shelf, its review moat, and what it sells for.

Competition: brands, sellers & click share

The top 5 products capture 74% of clicks — a locked-up shelf that new listings rarely crack.

$0$2K$4K$7K$9K101001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

8 rising

Sellers

61

Top-5 brand share

93%

Top 20: 100%

Top-5 click share

74%

Top 20: 100%

Open market

4%

  • SeaKlear54%
  • MAV AquaDoc18%
  • Natural Chemistry10%
  • In The Swim5%
  • Lo-Chlor5%
  • CLOROX Pool&Spa3%
  • Open — no brand owns it (2 brands, 4%)

90 Day Algaecide for Pool demand & seasonality

Weekly search volume, with the niche's key stats alongside.

Volume6KCVR9.1%Products14Brands8Top 5 Brands93%OOS Rate0.0%Rating4.4★Reviews2,107Avg BSR#61
300200Spike '25Spike '26DecMarJunAugNovMarMay

Peak months: Apr, May, Jun, Jul · busiest ÷ quietest = 31.2×

What reviews say buyers love and hate about 90 Day Algaecide for Pool

What buyers mention most, as a share of all reviews.

What buyers love

89% of reviews
Quality-Overall20%

The product is a good algaecide

Advertised Vs Actual Product18%

Performed as advertised

Value For Money16%

Worth it

Ease Of Cleaning8%

Help keep the pool clean works well I do buy it often

Ease Of Use7%

Easy to use

What buyers complain about

89% of reviews
Functionality-Overall49%

Stopped working

Value For Money12%

I thought it was expensive

Quality-Overall6%

actually cheaper cuz of quality

Advertised Vs Actual Product5%

Product Description Deceiving

Color3%

Did not know this product has a blue tint to it

90 Day Algaecide for Pool return rate & reasons

Why buyers send it back, as a share of all return requests.

0.2%

Return rate

17%

Fixable by listing

The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.

1Leak-Proof
37%
2Functionality-Overall
19%
3Advertised Vs Actual Product
13%
4Value For Money
13%
5Size-Overall
2%

Common 90 Day Algaecide for Pool questions

The questions sellers ask about this niche, answered from the tracked metrics.

Flapen scores 90 Day Algaecide for Pool 55/100 on Amazon United States — Worth a look. The niche generates $22K/yr across 14 tracked products. 1 of 1 products launched in the last 360 days are still selling. Search demand moved +275.0% over the last 90 days.
Search demand for 90 Day Algaecide for Pool on Amazon United States peaks in Apr–May–Jun–Jul, where the busiest month runs 31.2× the quietest.