pool shock
Launch itA $22.9M/yr market growing +244.6% this quarter with returns at 0.1% — clears our launch bar.
Market size
Incredible$22.9M$22.9M/yr · 3.4M searches
Growth
Incredible+244.6%90-day search growth — must beat 0% to launch
Returns
Incredible0.1%return rate — above 5% kills the launch gate
Conversion
Incredible13.8%search→purchase rate — share of searches ending in a sale
Avg price
Great$48.27avg listing price — sweet spot $15–$100
Price range
Good$4.45–$159.95cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Okay57%top-5 click share — leaders hold, buyers still browse
Review moat
Bad6,980avg incumbent reviews — the moat a new listing must climb
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Brand share
Bad98%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, pool shock is a $22.9M/yr Amazon United States market (3.4M searches/yr). The top 5 brands hold 98% of demand. Demand peaks in May–Jun–Jul–Aug. Verdict: Launch it — 68/100.
Data updated Jul 24, 2026 · scored weekly · How we score niches
pool shock market data
- Units sold / yr
- 400K–500K
- avg 15,000–20,000/product
- Revenue / yr
- $19.3M–$24.1M
- units × avg price
- Conversion rate
- 13.8%
- Avg BSR
- #36
- Page quality
- 0%
- Prime
- 73%
- Sponsored
- 95%
- Out of stock
- 0.0%
- Avg brand age
- 63 months
- Avg seller age
- 145 days
Competition & brand share
The top 5 products take 57% of clicks — established leaders, but buyers still shop beyond them.Brands
7 falling
Sellers
88
Top-5 brand share
98%
Top 20: 100%
Top-5 click share
57%
Top 20: 98%
Open market
1%
- CLOROX Pool&Spa45%
- HTH36%
- In The Swim11%
- Doheny's5%
- Pyrock Chemical1%
- CPDI1%
- Open — no brand owns it (1 brand, 1%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +244.6% search growth over the last 90 days.Peak months: May, Jun, Jul, Aug · busiest ÷ quietest = 12.7×
Top pool shock search terms
- pool shock1.8M/yr
- pool shock for above ground pool348K/yr
- shock pool treatment309K/yr
- pool shock for inground pool221K/yr
- shock241K/yr
- hth pool shock78K/yr
- clorox pool shock70K/yr
- chlorine shock54K/yr
- shock for pool48K/yr
- pool shock 1 lb bags40K/yr
Top pool shock 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.
All 22 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
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$29.304.7★1,860 rev
Clorox Pool&Spa Shock XTRABLUE Plus Kills Bacteria & Algae in Swimming Pools Swim-Ready in 15 Minutes (12-Pack) Granular
CLOROX Pool&Spa$58.624.8★4,776 rev
HTH 52036R Pool Care Shock Advanced Swimming Pool Chemical - Cal Hypo Formula Prevents Bacteria & Algae Restores Crystal Clear Water - Shock Treatment (6 Pack)
HTH$26.014.7★14,239 rev
HTH 52037R Pool Care Shock Advanced Swimming Pool Chemical - Cal Hypo Formula Prevents Bacteria & Algae Restores Crystal Clear Water - Shock Treatment 1lb (12 Pack)
HTH$48.094.7★14,239 rev
In The Swim Pool Shock 68% Cal-Hypo Granular Sanitizer for Crystal Clear Water Defends Against Bacteria Algae and Microorganisms - 12 X 1 Pound
In The Swim$51.234.6★16,150 rev
Newest
by launch date
Pool Essentials Shock Treatment Clears Cloudy Water Fast-Dissolving 24-Pack Granular
Pool Essentials$92.6383 rev
HTH 52047 Swimming Pool Care Salt Shock Stabilized Chlorinator 1 dose Treats 10000 gallons 5x12oz Packets
HTH$27.57637 rev
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
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$50.811,860 rev
Clorox Pool&Spa Spa Water All-in-One Sanitizer & Shock Destroys Contaminants Clears Cloudy Water 2LB (Pack of 1)
CLOROX Pool&Spa$23.701,255 rev
Trending
90-day click momentum
HTH 52046 Pool Care Shock Advanced Swimming Pool Chemical - Cal Hypo Formula Prevents Bacteria & Algae Restores Crystal Clear Water - Shock Treatment 1lb (15 Pack) + 15 HTH Pool Care Test Strips
HTH$59.424.7★
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$50.814.7★
HTH 52030B Swimming Pool Care Shock Swimming Pool Chlorinator Boosts Chlorine Levels Cal Hypo Formula 13.3oz (Pack of 6)
HTH$24.014.8★
HTH 52047 Swimming Pool Care Salt Shock Stabilized Chlorinator 1 dose Treats 10000 gallons 5x12oz Packets
HTH$27.574.6★
Dohenys Super Pool Shock 12 x 1 Lb Bags
Doheny's$52.644.7★
What buyers say about pool shock
What buyers praise and complain about, mined from review topics.What buyers love
“Great value”
“Great products, works as expected”
“As advertised”
“Easy to pour”
“It really helps to clean the pool”
“Keeps water crystal clear”
“Crystal Clear Pool”
“It seems durable”
“Clear pool”
“love the smell”
What buyers complain about
“DID NOT WORK”
“not only is it more expensive”
“Poor quality control”
“it has no odor”
“but it would not clear the water”
“Opened the sealed container and had some type of moisture because it was clumpy and still wet”
“This product is not what it claims to be”
“not the pure white that it should be”
“Leaked out”
“causes filter build up”
Top return reasons
Common questions
- Is pool shock profitable to sell on Amazon United States?
- The niche generates $22.9M/yr across 22 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +244.6%. Flapen's verdict: Launch it (68/100).
- How competitive is the pool shock niche?
- 7 brands and 88 sellers compete. The top 5 products take 57% of clicks and top 5 brands hold 98% of demand.
- What do buyers complain about in pool shock?
- Top complaints mined from reviews: Functionality-Overall, Value For Money, Quality-Overall. The return rate is 0.1%.
- When does demand for pool shock peak?
- Demand peaks in May–Jun–Jul–Aug; the busiest month runs 12.7× the quietest.
- What does it cost to enter the pool shock niche?
- Listings span $4.45–$159.95; the average listing price is $48.27 (sweet spot $15–$100). The average incumbent carries 6,980 reviews — the moat a new listing must climb.