--- title: "dichlor shock — Niche Verdict: Skip it (48/100) | Amazon United States - Flapen" canonical_url: "https://flapen.com/amazon/research/us/other/dichlor-shock" last_updated: "2026-07-09T22:47:27.487Z" locale: en meta: description: "a small market ($218K/yr) — dichlor shock doesn't clear our bar today." "og:description": "a small market ($218K/yr) — dichlor shock doesn't clear our bar today." "og:title": "dichlor shock — Niche Verdict: Skip it (48/100) | Amazon United States - Flapen" --- Back to Flapen home # **dichlor shock** **Skip it****48/100 ** a small market ($218K/yr) — dichlor shock doesn't clear our bar today. **Market/yr** **$218K** **Growth (1y)** **+219.7%** **Products** **20** **Brands** **8** was 8 a year ago **Sellers** **59** **Price range** **$26.06–$269.14** **Returns** **0.1%** **Rating** **4.6★** **Skip it** Scored 48/100 across market size, growth, competition, quality gap, and returns. Market sizeGrowthCompetitionQuality gapReturns Market size **11** ×0.30 Growth **79** ×0.30 Competition **43** ×0.20 Quality gap **27** ×0.10 Returns **100** ×0.10 ## **Demand** Weekly Amazon search volume, last 104 weeks — +219.7% year over year. 2K806Spike '25Prime Day '25Spike '26Jul '24Nov '24Mar '25Jul '25Nov '25Mar '26 ## **Seasonality** Monthly demand index across the year — 1.00 is average. JFMAMJJASOND Peak months: May, Jun, Jul, Aug · busiest ÷ quietest = 20.1× ## **Competition** - HTH29% - In The Swim24% - CLOROX Pool&Spa19% - Doheny's18% - Clorox3% - Pool Essentials3% - Other (2 brands)4% The top 5 products take 61% of clicks — established leaders, but buyers still shop beyond them. 8 brands and 59 sellers compete here. **Brands** **8 **—flat was 8 a year ago **Sellers** **59** **Top 5 brand share** **93%** #ProductBrandPriceRatingReviewsClick shareTrend 1 ![HTH 52047 Swimming Pool Care Salt Shock Stabilized Chlorinator 1 dose Treats 10000 gallons 5x12oz Packets](https://m.media-amazon.com/images/I/41+45k5GjoL.jpg) [**HTH 52047 Swimming Pool Care Salt Shock Stabilized Chlorinator 1 dose Treats 10000 gallons 5x12oz Packets**](https://www.amazon.com/dp/B0D1DWYT7F) HTH$29.074.7★60825%▼falling 2 ![Dohenys Di-Chlor Shock | 100% Professional-Grade | Calcium-Free Pool Sanitizing and Shock Treatment | for Salt & Chlorine Pools | 56% Stabilized Chlorine | 12 x 1lb Bags (12lb Total)](https://m.media-amazon.com/images/I/51wiOVohd-L.jpg) [**Dohenys Di-Chlor Shock | 100% Professional-Grade | Calcium-Free Pool Sanitizing and Shock Treatment | for Salt & Chlorine Pools | 56% Stabilized Chlorine | 12 x 1lb Bags (12lb Total)**](https://www.amazon.com/dp/B00VJQ8T8O) Doheny's$99.804.6★15312%—flat 3 ![Clorox Pool&Spa Shock XTRABLUE Plus Kills Bacteria & Algae in Swimming Pools Swim-Ready in 15 Minutes (12-Pack) Granular](https://m.media-amazon.com/images/I/51pR57fzdpL.jpg) [**Clorox Pool&Spa Shock XTRABLUE Plus Kills Bacteria & Algae in Swimming Pools Swim-Ready in 15 Minutes (12-Pack) Granular**](https://www.amazon.com/dp/B0BQCMQ8NW) CLOROX Pool&Spa$59.744.8★4,62512%▲rising 4 ![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](https://m.media-amazon.com/images/I/41cIYP+AfQL.jpg) [**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**](https://www.amazon.com/dp/B002WKO8H2) In The Swim$130.964.5★2,2707%▼falling 5 ![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](https://m.media-amazon.com/images/I/417bg8Y0pLL.jpg) [**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**](https://www.amazon.com/dp/B002WKJ6H4) In The Swim$83.184.5★2,2705%▲rising 6 ![Clorox Pool&Spa Shock Clear for Crystal Clear Swimming Pool Water Swim-ready in 15 minutes Suitable for vinyl pools (12-Pack)](https://m.media-amazon.com/images/I/51k22KKDpOL.jpg) [**Clorox Pool&Spa Shock Clear for Crystal Clear Swimming Pool Water Swim-ready in 15 minutes Suitable for vinyl pools (12-Pack)**](https://www.amazon.com/dp/B0CY2VPGDB) CLOROX Pool&Spa$52.874.7★1,7234%▲rising 7 ![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](https://m.media-amazon.com/images/I/41EXZmQ95XL.jpg) [**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**](https://www.amazon.com/dp/B002WKQ23A) In The Swim$42.724.5★2,2704%—flat 8 ![Clorox Pool&Spa Salt Pool Shock-Oxidizer Chlorine-Free Shock Oxidizer Eliminates Organic Contaminants and Clears Cloudy Water (6-Pack)](https://m.media-amazon.com/images/I/51vieOM2lxL.jpg) [**Clorox Pool&Spa Salt Pool Shock-Oxidizer Chlorine-Free Shock Oxidizer Eliminates Organic Contaminants and Clears Cloudy Water (6-Pack)**](https://www.amazon.com/dp/B072JL4CRL) Clorox$40.414.6★1963%—flat 9 ![Clorox Pool&Spa Shock Clear for Crystal Clear Swimming Pool Water Swim-ready in 15 minutes Suitable for vinyl pools (6-Pack)](https://m.media-amazon.com/images/I/51nM7akYhaL.jpg) [**Clorox Pool&Spa Shock Clear for Crystal Clear Swimming Pool Water Swim-ready in 15 minutes Suitable for vinyl pools (6-Pack)**](https://www.amazon.com/dp/B0CY2W9KMY) CLOROX Pool&Spa$29.214.7★1,7233%▲rising 10 ![In The Swim Sodium Dichlor Chlorine Shock Granules for Sanitizing Swimming Pools Fast Dissolving pH Balanced Sanitizer - 56% Available Chlorine 99% Sodium-Dichlor 40 Pound](https://m.media-amazon.com/images/I/41LaOI-slmL.jpg) [**In The Swim Sodium Dichlor Chlorine Shock Granules for Sanitizing Swimming Pools Fast Dissolving pH Balanced Sanitizer - 56% Available Chlorine 99% Sodium-Dichlor 40 Pound**](https://www.amazon.com/dp/B072HTNGKG) In The Swim$215.234.5★2,2703%▲rising 11 ![Dohenys Super Pool Shock | Pro-Grade Chlorine Shock Quick-Dissolving Fast-Acting 68% Cal-Hypo Granular Pool Shock | 24 x 1lb Bags Proudly Made in the USA](https://m.media-amazon.com/images/I/41IN6hPwhZL.jpg) [**Dohenys Super Pool Shock | Pro-Grade Chlorine Shock Quick-Dissolving Fast-Acting 68% Cal-Hypo Granular Pool Shock | 24 x 1lb Bags Proudly Made in the USA**](https://www.amazon.com/dp/B0051BI6UE) Doheny's$103.834.7★3,1033%▼falling 12 ![Pool Essentials Shock Treatment Clears Cloudy Water Fast-Dissolving 24-Pack Granular](https://m.media-amazon.com/images/I/412iV57wYkL.jpg) [**Pool Essentials Shock Treatment Clears Cloudy Water Fast-Dissolving 24-Pack Granular**](https://www.amazon.com/dp/B0GLRBPTWB) Pool Essentials$92.274.6★763%▲rising 13 ![In The Swim Premium 3-in-1 Pool Shock - Di-Zap Contains Dichlor Algaecide and Stabilizer - 6 x 1 lb. Bags](https://m.media-amazon.com/images/I/41aZ5RkwXpL.jpg) [**In The Swim Premium 3-in-1 Pool Shock - Di-Zap Contains Dichlor Algaecide and Stabilizer - 6 x 1 lb. Bags**](https://www.amazon.com/dp/B0B1T1NG9M) In The Swim$53.974.7★2012%▼falling 14 ![Dichlor Pool Shock Sodium DiChlor Chlorine Granules for Swimming Pool](https://m.media-amazon.com/images/I/41ZjHGWt4-L.jpg) [**Dichlor Pool Shock Sodium DiChlor Chlorine Granules for Swimming Pool**](https://www.amazon.com/dp/B0DPGMW2RK) Eeziblue$27.204.5★482%▼falling 15 ![HTH 52037R Pool Care Shock Advanced Swimming Pool Chemical - Cal Hypo Formula Prevents Bacteria & Algae Restores Crystal Clear Water - Shock Treatment 1lb (12 Pack)](https://m.media-amazon.com/images/I/41S7-g4LiYL.jpg) [**HTH 52037R Pool Care Shock Advanced Swimming Pool Chemical - Cal Hypo Formula Prevents Bacteria & Algae Restores Crystal Clear Water - Shock Treatment 1lb (12 Pack)**](https://www.amazon.com/dp/B09R82X1S5) HTH$47.994.7★14,0102%▼falling **~~Showing 15 of 20 — show all ~~** ## **Product shelf** All 20 tracked products in this niche. Top sellersNewestTrending [![HTH 52047 Swimming Pool Care Salt Shock Stabilized Chlorinator 1 dose Treats 10000 gallons 5x12oz Packets](https://m.media-amazon.com/images/I/41+45k5GjoL.jpg)**HTH 52047 Swimming Pool Care Salt Shock Stabilized Chlorinator 1 dose Treats 10000 gallons 5x12oz Packets** HTH**$29.07**4.7★608 reviews](https://www.amazon.com/dp/B0D1DWYT7F) [![Dohenys Di-Chlor Shock | 100% Professional-Grade | Calcium-Free Pool Sanitizing and Shock Treatment | for Salt & Chlorine Pools | 56% Stabilized Chlorine | 12 x 1lb Bags (12lb Total)](https://m.media-amazon.com/images/I/51wiOVohd-L.jpg)**Dohenys Di-Chlor Shock | 100% Professional-Grade | Calcium-Free Pool Sanitizing and Shock Treatment | for Salt & Chlorine Pools | 56% Stabilized Chlorine | 12 x 1lb Bags (12lb Total)** Doheny's**$99.80**4.6★153 reviews](https://www.amazon.com/dp/B00VJQ8T8O) [![Clorox Pool&Spa Shock XTRABLUE Plus Kills Bacteria & Algae in Swimming Pools Swim-Ready in 15 Minutes (12-Pack) Granular](https://m.media-amazon.com/images/I/51pR57fzdpL.jpg)**Clorox Pool&Spa Shock XTRABLUE Plus Kills Bacteria & Algae in Swimming Pools Swim-Ready in 15 Minutes (12-Pack) Granular** CLOROX Pool&Spa**$59.74**4.8★4,625 reviews](https://www.amazon.com/dp/B0BQCMQ8NW) [![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](https://m.media-amazon.com/images/I/41cIYP+AfQL.jpg)**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**$130.96**4.5★2,270 reviews](https://www.amazon.com/dp/B002WKO8H2) [![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](https://m.media-amazon.com/images/I/417bg8Y0pLL.jpg)**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**$83.18**4.5★2,270 reviews](https://www.amazon.com/dp/B002WKJ6H4) [![Clorox Pool&Spa Shock Clear for Crystal Clear Swimming Pool Water Swim-ready in 15 minutes Suitable for vinyl pools (12-Pack)](https://m.media-amazon.com/images/I/51k22KKDpOL.jpg)**Clorox Pool&Spa Shock Clear for Crystal Clear Swimming Pool Water Swim-ready in 15 minutes Suitable for vinyl pools (12-Pack)** CLOROX Pool&Spa**$52.87**4.7★1,723 reviews](https://www.amazon.com/dp/B0CY2VPGDB) [![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](https://m.media-amazon.com/images/I/41EXZmQ95XL.jpg)**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**$42.72**4.5★2,270 reviews](https://www.amazon.com/dp/B002WKQ23A) [![Clorox Pool&Spa Salt Pool Shock-Oxidizer Chlorine-Free Shock Oxidizer Eliminates Organic Contaminants and Clears Cloudy Water (6-Pack)](https://m.media-amazon.com/images/I/51vieOM2lxL.jpg)**Clorox Pool&Spa Salt Pool Shock-Oxidizer Chlorine-Free Shock Oxidizer Eliminates Organic Contaminants and Clears Cloudy Water (6-Pack)** Clorox**$40.41**4.6★196 reviews](https://www.amazon.com/dp/B072JL4CRL) ## **Reviews** What buyers praise and complain about, mined from review topics. ### **What buyers love ** **Value For Money**34% *“Great value”* **Quality-Overall**16% *“Reliable products”* **Advertised Vs Actual Product**11% *“As advertised”* **Ease Of Use**10% *“Easy to use”* **Ease Of Cleaning**5% *“Always keeps my pool clear and clean”* **Water Resistance**4% *“keeps the pool water maintained clear”* **Durability**3% *“It seems durable”* **Pureness**3% *“Crystal clear water”* **Smell**2% *“smell good as well”* **Filtration**2% *“Clear pool”* ### **What buyers complain about ** **Value For Money**22% *“found in other places cheaper”* **Functionality-Overall**17% *“Doesn't do the job”* **Quality-Overall**8% *“Poor quality control”* **Filtration**5% *“causes filter build up”* **Smell**5% *“Like most pool shocks it obviously has an odor”* **Thickness**3% *“In comparison the thick bags from my Leslie's Chlor Brite did not melt together”* **Moist/Dry**3% *“Old product in boxes, pouches appeared wet and discolored”* **Water Resistance**3% *“Unfortunately a lot of dirty water got in the pool when taking the cover off. gross”* **Color**3% *“Dont love the extra blue”* **Size-Overall**2% *“bigger than I'm used to”* #### **Top return reasons**- Value For Money25% - Advertised Vs Actual Product20% - Functionality-Overall17% - Leak-Proof10% - Size-Overall7% - Defective Material/Parts4% - Contamination3% - Water Resistance2% - Mechanism Issues1% - Smell1%