Is chlorine granules profitable to sell on Amazon United States?

The niche generates $1.4M/yr across 28 tracked products. 1 of 2 products launched in the last 360 days are still selling. 90-day search growth is +175.1%. Flapen's verdict: Launch it (70/100).

How competitive is the chlorine granules niche?

14 brands and 123 sellers compete. The top 5 products take 43% of clicks and top 5 brands hold 77% of demand.

What do buyers complain about in chlorine granules?

Top complaints mined from reviews: Value For Money, Functionality-Overall, Quality-Overall. The return rate is 0.2%.

When does demand for chlorine granules peak?

Demand peaks in May–Jun–Jul; the busiest month runs 27.7× the quietest.

What does it cost to enter the chlorine granules niche?

Listings span $4.45–$269.16; the average listing price is $84.32 (sweet spot $15–$100). The average incumbent carries 4,646 reviews — the moat a new listing must climb.

chlorine granules

Launch it

A $1.4M/yr market growing +175.1% this quarter with returns at 0.2% — clears our launch bar.

Returns

Incredible0.2%

return rate — above 5% kills the launch gate

Growth

Incredible+175.1%

90-day search growth — must beat 0% to launch

Market size

Great$1.4M

$1.4M/yr · 179K searches

Conversion

Great9.3%

search→purchase rate — share of searches ending in a sale

Avg price

Great$84.32

avg listing price — sweet spot $15–$100

Competition

Good43%

top-5 click share — leaders hold, buyers still browse

Brand share

Okay77%

top-5 brand share — brands hold most of the demand

Price range

Okay$4.45–$269.16

cheapest to priciest tracked listing — scored on the share inside $15–$100

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Review moat

Bad4,646.46

avg incumbent reviews — the moat a new listing must climb

Signals Trending High Price

According to Flapen's Amazon United States niche tracking, chlorine granules is a $1.4M/yr Amazon United States market (179K searches/yr). The top 5 brands hold 77% of demand. Demand peaks in May–Jun–Jul. Verdict: Launch it — 70/100.

Data updated Jul 24, 2026 · scored weekly · How we score niches

chlorine granules market data

Units sold / yr: 15K–20K; avg 500–750/product
Revenue / yr: $1.3M–$1.7M; units × avg price
Conversion rate: 9.3%
Avg BSR: #87
Page quality: 0%
Prime: 54%
Sponsored: 93%
Out of stock: 2.5%
Avg brand age: 76 months
Avg seller age: 150 days

Competition & brand share

The top 5 products take 43% of clicks — established leaders, but buyers still shop beyond them.

Brands

14 rising

Sellers

123

Top-5 brand share

77%

Top 20: 100%

Top-5 click share

43%

Top 20: 91%

Open market

19%

In The Swim38%
CLOROX Pool&Spa20%
Doheny's7%
LEISURE TIME7%
Pyrock Chemical5%
CLEARVIEW4%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +175.1% search growth over the last 90 days.

Peak months: May, Jun, Jul · busiest ÷ quietest = 27.7×

Open Trend

Top chlorine granules search terms

chlorine granules50K/yr +121.9%8.1% conv.
granular chlorine21K/yr +142.7%5.5% conv.
pool chlorine granules20K/yr +155.3%6.3% conv.
chlorine granules for pool11K/yr >1,000%5.9% conv.
granular chlorine for pool13K/yr +631.3%5.4% conv.
chlorine powder11K/yr +124.2%5.4% conv.
chlorine granules for swimming pool15K/yr +61.4%4.7% conv.
granulated chlorine9K/yr +124.9%7.0% conv.
chlorine powder for pools6K/yr +242.8%5.8% conv.
granulated chlorine for pool5K/yr +401.3%7.0% conv.

All search terms

Top chlorine granules 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

CLOROX Pool&Spa All-in-One XtraBlue Chlorinating Granules Kills Bacteria & Stops Algae Blue 6 Pounds

CLOROX Pool&Spa$41.094.4★4,931 rev

In The Swim Pool Shock 68% Cal-Hypo Granular Sanitizer for Crystal Clear Water Defends Against Bacteria Algae and Microorganisms - 25 Pounds

In The Swim$110.814.6★16,150 rev

In The Swim Pool Shock 68% Cal-Hypo Granular Sanitizer for Crystal Clear Water Defends Against Bacteria Algae and Microorganisms - 50 Pounds

In The Swim$205.864.6★16,150 rev

In The Swim Sodium Dichlor Chlorine Shock Granules for Sanitizing Hot Tubs and Spas Fast Dissolving pH Balanced Sanitizer - 56% Available Chlorine 99% Sodium-Dichlor 5 Pound

In The Swim$41.814.5★2,277 rev

In The Swim Sodium Dichlor Chlorine Shock Granules for Sanitizing Swimming Pools Fast Dissolving pH Balanced Sanitizer - 56% Available Chlorine 99% Sodium-Dichlor 25 Pound

In The Swim$127.924.5★2,277 rev

Newest

by launch date

ClearView Chlorine Granules 5 Lbs for Swimming Pools Pool Chlorine Shock Granular Sanitizer for Spas Fast Dissolving Chlorinating Granules for Hot Tubs

CLEARVIEW$27.4828 rev

4mo ago

ClearView Chlorine Granules 2.2 Lbs for Swimming Pools Pool Chlorine Shock Granular Sanitizer for Spas Fast Dissolving Chlorinating Granules for Hot Tubs

CLEARVIEW$19.9639 rev

6mo ago

Chlorinating Granules for Pools Spas & Hot Tubs Kills Bacteria & Algae Fast-Dissolving Formula (5LBs)

VIEWTOWN$29.32286 rev

1y ago

POOL SHARK 68% Calcium Hypochlorite Pool Shock | 25 lb Bucket Chlorine Granules | Pool Shock Treatment for Swimming Pools | Inground & Above Ground Pool Cleaning Fast-Acting Chlorine Shock

POOL SHARK$93.9645 rev

1y ago

Clorox Pool&Spa Shock Clear for Crystal Clear Swimming Pool Water Swim-ready in 15 minutes Suitable for vinyl pools (6-Pack)

CLOROX Pool&Spa$29.301,860 rev

2y ago

What buyers say about chlorine granules

What buyers praise and complain about, mined from review topics.

What buyers love

Value For Money35%

“Great value”

Quality-Overall20%

“quality is consistent as is the product”

Advertised Vs Actual Product12%

“As Described”

Ease Of Use7%

“Easy to use”

Ease Of Cleaning6%

“Cleans pool well”

Water Resistance4%

“keeps the pool water maintained clear”

Durability4%

“It seems durable”

Pureness2%

“These chlorine granules work well”

Size-Overall1%

“It's a great size”

Filtration1%

“Clear pool”

What buyers complain about

Value For Money17%

“price could always be lower”

Functionality-Overall16%

“DID NOT WORK”

Quality-Overall11%

“Poor quality control”

Moist/Dry6%

“The powder was wet”

Smell5%

“Looks and smells like chlorine”

Filtration5%

“causes filter build up”

Color4%

“not the pure white that it should be”

Water Resistance4%

“Doesn't clear water”

Leak-Proof4%

“spilled granules all over”

Advertised Vs Actual Product4%

“Picture on label in product listing changed”

Top return reasons

Leak-Proof39%

Advertised Vs Actual Product14%

Value For Money12%

Contamination10%

Functionality-Overall8%

Size-Overall5%

Defective Material/Parts2%

Smell2%

Ease Of Use2%

Product Condition1%

Common questions

Is chlorine granules profitable to sell on Amazon United States?: The niche generates $1.4M/yr across 28 tracked products. 1 of 2 products launched in the last 360 days are still selling. 90-day search growth is +175.1%. Flapen's verdict: Launch it (70/100).
How competitive is the chlorine granules niche?: 14 brands and 123 sellers compete. The top 5 products take 43% of clicks and top 5 brands hold 77% of demand.
What do buyers complain about in chlorine granules?: Top complaints mined from reviews: Value For Money, Functionality-Overall, Quality-Overall. The return rate is 0.2%.
When does demand for chlorine granules peak?: Demand peaks in May–Jun–Jul; the busiest month runs 27.7× the quietest.
What does it cost to enter the chlorine granules niche?: Listings span $4.45–$269.16; the average listing price is $84.32 (sweet spot $15–$100). The average incumbent carries 4,646 reviews — the moat a new listing must climb.