Pool Shock Market Report: Sales Volume, Market Share, Leading Brands & Market Trends
Pool Shock sales on Amazon US totaled 221,000 units in July 2026 (▼ 0.4% vs. the prior month), generating an estimated $8,756,344 in revenue across the 50 top-ranked ASINs for this search term. Demand is heavily concentrated at the top of the ranking — the ten best performers capture 76.0% of unit volume and 59.8% of revenue, while a typical listing is priced at $93.81. The keyword itself pulled 324,720 Amazon queries over the same period (▼ 14.1% MoM).
Zooming out to the 12-month window ending July 2026, the pool shock Top 50 moved 1,144,400 units and $49,306,576 in cumulative sales — an average of 95,367 units and $4,108,881 per month. Monthly throughput topped out at 221,800 units in June 2026 and dipped to 23,050 in December 2025, leaving the latest reading 64.3% higher than August 2025.
Pool Shock Sales Trend (Trailing 12 Months)
Based on the top 50 ASINs by monthly sales for this keyword
2025/08
2025/09
2025/10
2025/11
2025/12
2026/01
2026/02
2026/03
2026/04
2026/05
2026/06
2026/07
Monthly Sales 2026/07
221K
▼ 0.4% MoM
Monthly Revenue 2026/07
$8.8M
▼ 9.3% MoM
Top 10 Market Share 2026/07
76.0%
Pool Shock Market Share & Sales Concentration on Amazon US — July 2026
The most-sold pool shock listing on Amazon US in July 2026 is ASIN B01N132P9C (Brand: CLOROX Pool&Spa), which sold 50,000 units at $14.88 apiece — equal to 22.6% of every unit tracked in this report and 2.5× the volume of the No. 2 listing.
The Top 10 ASINs account for 168,000 units and $5,234,180 in July 2026 — 76.0% of unit volume and 59.8% of revenue among all 50 ranked ASINs in this report.
Sales Volume of Top ASINs for 'Pool Shock' on Amazon
July 2026
Is 76.0% Top 10 share highly concentrated?
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Top 5 Volume Share breakdown
B01N132P9C
Clorox® Pool&Spa™ Swimming Pool Algaecide and Clarifier, Prevents and Treats Pool Algae, Clears Water, 128 Fl Oz (Pack of 1)
50K
▲ 25.0%vs. prior month
$744K
latest month
12-month trend
B09R82X1S5
HTH 52037R, Pool Care Shock Advanced, 12 Pack
20K
▼ 33.3%vs. prior month
$916K
latest month
12-month trend
B0BQCMQ8NW
Clorox® Pool&Spa™ Shock XTRABLUE® Plus, Kills Bacteria & Algae in Swimming Pools, Swim-Ready in 15 Minutes, (12-Pack), Granular
20K
▲ 0.0%vs. prior month
$1.1M
latest month
12-month trend
B0BQCRQ9JV
Clorox® Pool&Spa™ Shock XTRABLUE® Plus, Kills Bacteria & Algae in Swimming Pools, Swim-Ready in 15 Minutes, (6-Pack)
20K
▲ 100.0%vs. prior month
$683.2K
latest month
12-month trend
B09R839DJ1
HTH 52036R, Pool Care Shock Advanced, 6 Pack | Cal Hypo Formula; Prevents Bacteria & Algae; Restores Crystal Clear Water; Shock Treatment; Visibly Brilliant Sparkle
10K
▼ 50.0%vs. prior month
$297K
latest month
12-month trend
B0CY2W9KMY
Clorox® Pool&Spa™ Shock Clear, for Crystal Clear Swimming Pool Water, Swim-ready in 15 minutes, Suitable for vinyl pools (6-Pack)
10K
▲ 0.0%vs. prior month
$299.8K
latest month
12-month trend
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Best Pool Shock Brands on Amazon US — Top 3 Brand Sales Concentration (July 2026)
CLOROX Pool&Spa is the best-performing pool shock brand in July 2026, moving 110,000 units across 5 ASINs for 65.5% of Top 10 volume. HTH follows with 48,000 units (28.6%), ahead of In The Swim on 10,000 units (6.0%).
With 3 brands splitting the Top 10 and 100.0% of volume sitting with three of them, this is a concentrated shelf — the leaders hold multiple listings or one very high-velocity ASIN, so a new entrant competes against established review moats rather than an open field. Average selling prices among the leaders run from $25.38 to $49.99, which frames the price band a competing listing has to justify.
Brand share of Top 10 volume
CLOROX Pool&Spa
5 ASINs in Top 10
65.5%
Units
110K
Revenue
$3.3M
Avg. price
$39.53
B01N132P9C
$14.88·★4.5·15.9K revsClorox® Pool&Spa™ Swimming Pool Algaecide and Clarifier, Prevents and Treats Pool Algae, Clears Water, 128 Fl Oz (Pack of 1)
Units sold50KB0BQCMQ8NW
$59.98·★4.7·5K revsClorox® Pool&Spa™ Shock XTRABLUE® Plus, Kills Bacteria & Algae in Swimming Pools, Swim-Ready in 15 Minutes, (12-Pack), Granular
Units sold20KB0BQCRQ9JV
$37.77·★4.7·5K revsClorox® Pool&Spa™ Shock XTRABLUE® Plus, Kills Bacteria & Algae in Swimming Pools, Swim-Ready in 15 Minutes, (6-Pack)
Units sold20KB0CY2W9KMY
$29.98·★4.7·2.1K revsClorox® Pool&Spa™ Shock Clear, for Crystal Clear Swimming Pool Water, Swim-ready in 15 minutes, Suitable for vinyl pools (6-Pack)
Units sold10KB0CY2VPGDB
$55.03·★4.7·2.1K revsClorox® Pool&Spa™ Shock Clear, for Crystal Clear Swimming Pool Water, Swim-ready in 15 minutes, Suitable for vinyl pools (12-Pack)
Units sold10K
HTH
4 ASINs in Top 10
28.6%
Units
48K
Revenue
$1.5M
Avg. price
$25.38
B09R82X1S5
$45.80·★4.7·14.3K revsHTH 52037R, Pool Care Shock Advanced, 12 Pack
Units sold20KB09R839DJ1
$23.98·★4.7·14.3K revsHTH 52036R, Pool Care Shock Advanced, 6 Pack | Cal Hypo Formula; Prevents Bacteria & Algae; Restores Crystal Clear Water; Shock Treatment; Visibly Brilliant Sparkle
Units sold10KB09R841BDQ
$4.76·★4.8·4.3K revsHTH 52031, Swimming Pool Care Shock, 1 Pack
Units sold10KB09R82PPNS
$26.96·★4.8·4.3K revsHTH 52030B, Swimming Pool Care Shock, 6 Pack
Units sold8K
In The Swim
1 ASIN in Top 10
6.0%
Units
10K
Revenue
$499.9K
Avg. price
$49.99
B002WKQ3IE
$49.99·★4.6·16.2K revsIn The Swim Pool Shock - 68% Cal-Hypo Granular Sanitizer - 12 x 1 Pound | Powerful Pool Shock for In-Ground and Above Ground Pools - Defends Against Bacteria, Algae, and Microorganisms
Units sold10K
Trending Pool Shock Products — Growth Leaders & New Top 10 Entrants
Based on July 2026 data, this shortlist surfaces the two kinds of ASIN worth keeping an eye on — the ones that just broke into the Top 10, and the ones growing fastest month over month. On the growth side, B09R82J2P8 leads positive momentum with ▲ 344.4% MoM growth on 4K units, with B0GS8TWTWV close behind at ▲ 200.0% MoM on 300 units.
The two signals carry different weight. A fresh entrant means share has already changed hands — an incumbent gave up its place to make room, so any competitive set drawn up a month ago is now out of date. A steep growth rate works as the earlier warning: it marks demand that is still compounding, usually a month or two before the ranking catches up to it.
B09R82J2P8
HTH 52035R, Swimming Pool Care Shock Advanced, 1 lb
Price
$6.14
Rating
4.7
Reviews
1.9K
Latest month sales
B0GS8TWTWV
Cal Hypo Granule Pool Shock – Fast-Dissolving Chlorine Shock Treatment for Swimming Pools – Powerful Pool Water Clarifier & Sanitizer – for Inground & Above Ground Pools – 1 lb Bag (24 Pack)
Price
$79.95
Rating
4.5
Reviews
83
Latest month sales
B0BQCRQ9JV
Clorox® Pool&Spa™ Shock XTRABLUE® Plus, Kills Bacteria & Algae in Swimming Pools, Swim-Ready in 15 Minutes, (6-Pack)
Unlock to view ASIN details and product titles
Price
$37.77
Rating
4.7
Reviews
5K
Latest month sales
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