Pool Shock 73 Calcium Hypochlorite
MaybeAn estimated 0.1% of orders come back. But shoppers spend an estimated $81K a year here, so Pool Shock 73 Calcium Hypochlorite is a Maybe.
- Flapen Score
- 60 / 100Top 32% of 8,839 Patio, Lawn & Garden niches · +4 vs the category median of 5660
- Market size
- $81K/yr16K searches / yr
- 90-day growth
- +130.9%search demand this quarter
- Competition
- 41%top-5 click share · 16 brands · 102 sellers
Flapen Score
Pool Shock 73 Calcium Hypochlorite against its category
The dotted line is the Patio, Lawn & Garden average. Past it, Pool Shock 73 Calcium Hypochlorite is stronger. Inside it, weaker.
Market
The Pool Shock 73 Calcium Hypochlorite market on Amazon at a glance
Shoppers on Amazon United States searched for Pool Shock 73 Calcium Hypochlorite 16K times last year and spent an estimated $81K. The top 5 brands take 66% of clicks. Flapen scores it 60 out of 100, a Maybe.
01 · Demand
An estimated 5.4% of those searches ended in a purchase.
Shoppers searched for this 16K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 5.4% of those searches ended in a purchase. Searches in the last 90 days moved +130.9% against the 90 days before. Searches, conversion and average price together put the market at an estimated $81K a year.
- Searches, last 12 months
- 16K
- Growth, 90 days vs prior 90
- +130.9%
- Conversion, latest week
- 5.4%
- Market size, estimated
- $81Ka year
- Top search term
- pool shock 24 pack9K searches a year
02 · Price
A sale here is worth $94.31.
Listings sell for $94.31 on average, from $26.01 to $269.29. Amazon reports units sold in ranges. This niche sold 1K to 1K a year. The average listing sells 0 to 100 of them. At $94.31 that is $0 to $9K a year per listing.
- Average price
- $94.31inside the $15 to $100 sweet spot
- Price range
- $26.01–$269.29
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 1K–1K
- Units per listing a year
- 0–100
- Revenue per listing a year
- $0–$9K
- Returns
- 0.1%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is ads and reviews.
93% of listings pay for placement with sponsored ads. 48% ship with Prime. On an average day, 9.9% of listings are out of stock. The average listing ranks #105 within Cleaning Tools & Chemicals. It carries 4,070 reviews at 4.59 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 93%
- Prime listings
- 48%
- Out of stock, average day
- 9.9%
- Average rank
- #105in Cleaning Tools & Chemicals
- Average rating
- 4.59 starsAmazon United States average 4.42 stars
- Average reviews
- 4,070per listing
- Listings tracked
- 29
04 · Newcomers
5 of last year's 5 launches cleared the first-year sales bar.
5 products launched here in the last 12 months. 5 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 84 months on average, so the names here are established.
- Launched, last 12 months
- 5
- Successful launches
- 5Amazon's first-year sales bar
- Average brand age
- 84 months
Products
Top Pool Shock 73 Calcium Hypochlorite products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 24, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Super Shockwave Pool Shock 73% Cal-Hypo Granular Sanitizer for Crystal Clear Water Defends Against Bacteria Algae and Microorganisms - 25 Pounds
- Price
- $138.10
- Rating
- 4.6/5
- Reviews
- 306
- Age
- 2y ago

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
- Price
- $102.95
- Rating
- 4.7/5
- Reviews
- 3,171
- Age
- 15y ago

Pool Essentials Shock Treatment Clears Cloudy Water Fast-Dissolving 24-Pack Granular
- Price
- $92.63
- Rating
- 4.6/5
- Reviews
- 83
- Age
- 5mo ago

Clorox Pool&Spa Shock XTRABLUE Plus Kills Bacteria & Algae in Swimming Pools Swim-Ready in 15 Minutes (12-Pack) Granular
- Price
- $58.62
- Rating
- 4.8/5
- Reviews
- 4,776
- Age
- 3y ago

HTH 52037R Pool Care Shock Advanced Swimming Pool Chemical - Cal Hypo Formula Prevents Bacteria & Algae Restores Crystal Clear Water - Shock Treatment 1lb (12 Pack)
- Price
- $48.09
- Rating
- 4.7/5
- Reviews
- 14,239
- Age
- 4y ago
Trending
estimated 90-day click momentum
HTH 52065 Pool Care Shock Advanced Swimming Pool Chemical - Cal Hypo Formula Prevents Bacteria & Algae Restores Crystal Clear Water - Shock Treatment 1lb Packs (24 Packs)
- Price
- $86.45
- Rating
- 4.7/5
- Reviews
- 14,239
- Age
- 1mo ago

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
- Price
- $59.42
- Rating
- 4.7/5
- Reviews
- 14,239
- Age
- 4y ago

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
- $80.15
- Rating
- 4.4/5
- Reviews
- 60
- Age
- 4mo ago

Clorox Pool&Spa Shock Clear for Crystal Clear Swimming Pool Water Swim-ready in 15 minutes Suitable for vinyl pools (12-Pack)
- Price
- $50.81
- Rating
- 4.7/5
- Reviews
- 1,860
- Age
- 2y ago

In The Swim Pool Shock 68% Cal-Hypo Granular Sanitizer for Crystal Clear Water Defends Against Bacteria Algae and Microorganisms - 12 X 1 Pound
- Price
- $51.23
- Rating
- 4.6/5
- Reviews
- 16,150
- Age
- 16y ago
Newest
by launch date
HTH 52065 Pool Care Shock Advanced Swimming Pool Chemical - Cal Hypo Formula Prevents Bacteria & Algae Restores Crystal Clear Water - Shock Treatment 1lb Packs (24 Packs)
- Price
- $86.45
- Rating
- 4.7/5
- Reviews
- 14,239
- Age
- 1mo ago

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
- $80.15
- Rating
- 4.4/5
- Reviews
- 60
- Age
- 4mo ago

Pool Essentials Shock Treatment Clears Cloudy Water Fast-Dissolving 24-Pack Granular
- Price
- $92.63
- Rating
- 4.6/5
- Reviews
- 83
- Age
- 5mo ago

Leslies Leslies Power Powder Plus 73% Cal-Hypo Granular Pool Shock Sanitizer for Crystal Clear Water Fast-Dissolving Eliminates Algae & Bacteria 6 x 1 Pound Bags 25273
- Price
- $49.21
- Rating
- 4.5/5
- Reviews
- 77
- Age
- 6mo ago

Pro-Grade Chlorine Pool Shock 68% Cal-Hypo Granular Sanitizer Prevents Bacteria & Algae Restores Crystal Clear Water - Shock Treatment Swimming Pool Chemical - 24 X 1lb
- Price
- $84.71
- Rating
- 4.2/5
- Reviews
- 165
- Age
- 1y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 41% of clicks. Leaders hold, but buyers still shop past them.
Brands
16 rising
Sellers
102
Est. top-5 brand share
66%
Top 20: 100%
Est. top-5 click share
41%
Top 20: 91%
Open market
34%
- CLOROX Pool&Spa12%
- EZ POOLS12%
- HTH12%
- Rx Clear10%
- Doheny's10%
- In The Swim10%
Demand
Pool Shock 73 Calcium Hypochlorite search demand
Weekly searches over the year. Pick a range.
Search terms
Top Pool Shock 73 Calcium Hypochlorite search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- pool shock 24 pack9K/yr
- pool shock 73 calcium hypochlorite4K/yr
- pool shock 73% calcium hypochlorite3K/yr
Reviews and returns
What reviews say buyers love and hate about Pool Shock 73 Calcium Hypochlorite
We read the reviews and the return reasons for every product selling here.
“It's a little expensive”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
17 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Pool Shock 73 Calcium Hypochlorite questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









