---
title: "Chlorine Granules — $1.4M/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/patio-lawn-garden/chlorine-granules"
last_updated: "2026-08-05T19:15:02.240Z"
locale: en
meta:
description: "Niche score 70/100 · $1.4M/yr market · 179K searches/yr · $84.32 avg price. Clears our launch bar. Data updated Jul 2026."
"og:description": "Niche score 70/100 · $1.4M/yr market · 179K searches/yr · $84.32 avg price. Clears our launch bar. Data updated Jul 2026."
"og:title": "Chlorine Granules — $1.4M/yr Amazon US Niche (2026) - Flapen"
---
# **chlorine granules**
**Launch it**
A $1.4M/yr market growing +175.1% this quarter with returns at 0.2% — clears our launch bar.
Market size 84Growth 97Conversion 84Competition 69Returns 99Price range 32Avg price 81Brand share 47Review moat 25Quality gap 27
**Returns**
**Incredible****0.2%**
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**
**Great****9.3%**
search→purchase rate — share of searches ending in a sale
**Avg price**
**Great****$84.32**
avg listing price — sweet spot $15–$100
**Competition**
**Good****43%**
top-5 click share — leaders hold, buyers still browse
**Brand share**
**Okay****77%**
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**
**Okay****4.6★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Bad****4,646.46**
avg incumbent reviews — the moat a new listing must climb
**Signals**[** Trending**](https://flapen.com/research/niches?market=us&signal=trending "Search growth > 100% (90d)") [** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")
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 ~~](https://flapen.com/research/methodology)
## **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.
60K40KSpike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: May, Jun, Jul · busiest ÷ quietest = 27.7×
[**Open Trend **](https://flapen.com/research/us/patio-lawn-garden/chlorine-granules/trend)
## **Top chlorine granules search terms**
- **chlorine granules**50K/yr+121.9%8.1% conv. - **granular chlorine**21K/yr+142.7%5.5% conv. - **pool chlorine granules**20K/yr+155.3%6.3% conv. - **chlorine granules for pool**11K/yr>1,000%5.9% conv. - **granular chlorine for pool**13K/yr+631.3%5.4% conv. - **chlorine powder**11K/yr+124.2%5.4% conv. - **chlorine granules for swimming pool**15K/yr+61.4%4.7% conv. - **granulated chlorine**9K/yr+124.9%7.0% conv. - **chlorine powder for pools**6K/yr+242.8%5.8% conv. - **granulated chlorine for pool**5K/yr+401.3%7.0% conv. [**All search terms **](https://flapen.com/research/us/patio-lawn-garden/chlorine-granules/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.
0%5%$70K10%$139K15%$209K20%$279K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
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
[1**CLOROX Pool&Spa All-in-One XtraBlue Chlorinating Granules Kills Bacteria & Stops Algae Blue 6 Pounds**CLOROX Pool&Spa**$41.09**4.4★4,931 rev](https://www.amazon.com/dp/B00PZZFHJY) [2**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**$110.81**4.6★16,150 rev](https://www.amazon.com/dp/B002WKJ6IS) [3**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**$205.86**4.6★16,150 rev](https://www.amazon.com/dp/B002WKS6D4) [4**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**$41.81**4.5★2,277 rev](https://www.amazon.com/dp/B002WKQ23A) [5**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**$127.92**4.5★2,277 rev](https://www.amazon.com/dp/B002WKO8H2)
**~~View all top sellers →~~**
### **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**$27.48**28 rev4mo ago](https://www.amazon.com/dp/B0GTDXNFQM) [**ClearView Chlorine Granules 2.2 Lbs for Swimming Pools Pool Chlorine Shock Granular Sanitizer for Spas Fast Dissolving Chlorinating Granules for Hot Tubs**CLEARVIEW**$19.96**39 rev6mo ago](https://www.amazon.com/dp/B0GCW3ZSPT) [**Chlorinating Granules for Pools Spas & Hot Tubs Kills Bacteria & Algae Fast-Dissolving Formula (5LBs)**VIEWTOWN**$29.32**286 rev1y ago](https://www.amazon.com/dp/B0DYV2XQ6G) [**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**$93.96**45 rev1y ago](https://www.amazon.com/dp/B0DJ3K4CF9) [**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**$29.30**1,860 rev2y ago](https://www.amazon.com/dp/B0CY2W9KMY)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**ClearView Chlorine Granules 2.2 Lbs for Swimming Pools Pool Chlorine Shock Granular Sanitizer for Spas Fast Dissolving Chlorinating Granules for Hot Tubs**CLEARVIEW**$19.96**4.4★**▲ 86%**](https://www.amazon.com/dp/B0GCW3ZSPT) [**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**$93.96**4.6★**▲ 83%**](https://www.amazon.com/dp/B0DJ3K4CF9) [**ClearView Chlorine Granules 5 Lbs for Swimming Pools Pool Chlorine Shock Granular Sanitizer for Spas Fast Dissolving Chlorinating Granules for Hot Tubs**CLEARVIEW**$27.48**4.9★**▲ 59%**](https://www.amazon.com/dp/B0GTDXNFQM) [**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**$41.81**4.5★**▲ 45%**](https://www.amazon.com/dp/B002WKQ23A) [**In The Swim Sodium Dichlor Chlorine Shock Granules for Sanitizing Swimming Pools Fast Dissolving pH Balanced Sanitizer - 56% Available Chlorine 99% Sodium-Dichlor 10 Pound**In The Swim**$81.81**4.5★**▲ 33%**](https://www.amazon.com/dp/B002WKJ6H4)
**~~View all trending →~~**
## **What buyers say about chlorine granules**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Value For Money**35%
*“Great value”*
**Quality-Overall**20%
*“quality is consistent as is the product”*
**Advertised Vs Actual Product**12%
*“As Described”*
**Ease Of Use**7%
*“Easy to use”*
**Ease Of Cleaning**6%
*“Cleans pool well”*
**Water Resistance**4%
*“keeps the pool water maintained clear”*
**Durability**4%
*“It seems durable”*
**Pureness**2%
*“These chlorine granules work well”*
**Size-Overall**1%
*“It's a great size”*
**Filtration**1%
*“Clear pool”*
### **What buyers complain about **
**Value For Money**17%
*“price could always be lower”*
**Functionality-Overall**16%
*“DID NOT WORK”*
**Quality-Overall**11%
*“Poor quality control”*
**Moist/Dry**6%
*“The powder was wet”*
**Smell**5%
*“Looks and smells like chlorine”*
**Filtration**5%
*“causes filter build up”*
**Color**4%
*“not the pure white that it should be”*
**Water Resistance**4%
*“Doesn't clear water”*
**Leak-Proof**4%
*“spilled granules all over”*
**Advertised Vs Actual Product**4%
*“Picture on label in product listing changed”*
### **Top return reasons **
**Leak-Proof**39%
**Advertised Vs Actual Product**14%
**Value For Money**12%
**Contamination**10%
**Functionality-Overall**8%
**Size-Overall**5%
**Defective Material/Parts**2%
**Smell**2%
**Ease Of Use**2%
**Product Condition**1%
## **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.
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