pool closing kit for inground pool
Worth a lookShows low returns (0.6%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Returns
Incredible0.6%return rate — above 5% kills the launch gate
Growth
Incredible+135.9%90-day search growth — must beat 0% to launch
Avg price
Incredible$33.06avg listing price — sweet spot $15–$100
Price range
Great$13.67–$66.31cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Good$769K$769K/yr · 761K searches
Competition
Good52%top-5 click share — leaders hold, buyers still browse
Brand share
Good73%top-5 brand share — brands hold most of the demand
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Conversion
Okay3.1%search→purchase rate — share of searches ending in a sale
Review moat
Okay3,912.3avg incumbent reviews — the moat a new listing must climb
According to Flapen's Amazon United States niche tracking, pool closing kit for inground pool is a $769K/yr Amazon United States market (761K searches/yr). The top 5 brands hold 73% of demand. Demand peaks in Aug–Sep–Oct. Verdict: Worth a look — 68/100.
Data updated Jul 24, 2026 · scored weekly · How we score niches
pool closing kit for inground pool market data
- Units sold / yr
- 80K–100K
- avg 4,000–5,000/product
- Revenue / yr
- $2.6M–$3.3M
- units × avg price
- Conversion rate
- 3.1%
- Avg BSR
- #189
- Page quality
- 0%
- Prime
- 67%
- Sponsored
- 82%
- Out of stock
- 3.9%
- Avg brand age
- 55 months
- Avg seller age
- 157 days
Competition & brand share
The top 5 products take 52% of clicks — established leaders, but buyers still shop beyond them.Brands
16 flat
Sellers
81
Top-5 brand share
73%
Top 20: 100%
Top-5 click share
52%
Top 20: 88%
Open market
23%
- SeaKlear27%
- In The Swim21%
- POOLHACKER13%
- AquaJoyer7%
- poolrx5%
- Aquapill4%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +135.9% search growth over the last 90 days.Peak months: Aug, Sep, Oct · busiest ÷ quietest = 216.7×
Top pool closing kit for inground pool search terms
- pool pill23K/yr
- pool winterizing kit104K/yr
- pool closing kit for above ground235K/yr
- pool closing kit110K/yr
- pool winterizing kit above ground pool40K/yr
- winter pill for above ground pool35K/yr
- pool closing kit for inground pool43K/yr
- winterize pool kit for above ground pool36K/yr
- aqua pill3K/yr
- pool pills2K/yr
Top pool closing kit for inground pool 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 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
3 in 1 Winter Closing Kit - Pool Winterizing Kit for Above Ground Pool and inground Pools Easy to Use - Up to 30 000 Gallon
POOLHACKER$24.114.5★1,874 rev
In The Swim Pool Closing Kit - Winterizing Chemicals for Above Ground and In-Ground Pools - Up to 15 000 Gallons
In The Swim$42.264.7★9,621 rev
SeaKlear AquaPill AP70 SpringPill Swimming Pool Start Up Pill
SeaKlear$17.334.3★1,388 rev
SeaKlear AquaPill - WinterPill 2
SeaKlear$16.884.4★6,005 rev
AquaJoyer Professional Pool Winter Closing Kit Winterizing Kit Close Your Above Ground or Inground Pool with Ease Up to 30 000 Gallons
AquaJoyer$20.754.3★429 rev
Newest
by launch date
Dynaklearpool 3-in-1 Pool Winterizing Kit Pre-Measured Winter Closing Balls for Above Ground & Inground Pools | Spring Opening Made Easy | Treats Up to 30 000 Gallons
Dynaklearpool$26.501 rev
3-in-1 Pool Winterizing Kit Pool Closing Kit Winterizer for Above Ground & Inground Pools Treats Up to 30 000 Gallons
Dynaklearpool$22.2065 rev
AquaJoyer Professional Pool Winter Closing Kit Winterizing Kit Close Your Above Ground or Inground Pool with Ease Up to 30 000 Gallons
AquaJoyer$20.75429 rev
SHAPON Pool Winter Closing Kit All-in-One Pool Winterizing Kit for Above Ground and In-Ground Swimming Pools Easy to Use Winterizer Pill Up to 30000 Gallons
SHAPON$19.20206 rev
SUMMERBUDDY 3 in 1 Pool Closing Kit for Above Ground Pool Pool Winterizing Kit Handle Up to 15 000 Gallons Winter Pool Closing Kit Pool Winterizer Kit Pool Closer
SUMMERBUDDY$16.09128 rev
Trending
90-day click momentum
Auqapill AquaPill AP72 30 000 Gallon Solar Pill for Swimming Pool Heating 2-Pack
Auqapill$45.823.8★
Dynaklearpool 3-in-1 Pool Winterizing Kit Pre-Measured Winter Closing Balls for Above Ground & Inground Pools | Spring Opening Made Easy | Treats Up to 30 000 Gallons
Dynaklearpool$26.505.0★
3-in-1 Pool Winterizing Kit Pool Closing Kit Winterizer for Above Ground & Inground Pools Treats Up to 30 000 Gallons
Dynaklearpool$22.204.2★
Clorox Pool&Spa XTRABLUE 3 Chlorinating Tablets Individually Wrapped Kills Bacteria & Stops Algae (5 LB)
CLOROX Pool&Spa$40.784.5★
PoolRX+ pool unit 7.5k-20k gallons
poolrx$54.094.5★
What buyers say about pool closing kit for inground pool
What buyers praise and complain about, mined from review topics.What buyers love
“Excellent Product”
“Great Value”
“Easy and effective”
“did not have any water issues”
“better than expected”
“Kept the pool clean”
“Crystal clear”
“-The instructions were good-”
“Works great use it every year”
“These work wonders they resolve quickly need to put with a chlorine tab too”
What buyers complain about
“Didnt work as intended”
“Not worth the money i paid”
“Cheap made”
“yellow after reopening became clear in 3-4 days”
“Dissolved too quickly”
“Missing pieces and instructions”
“Toxic fumes coming from the shipping box due to pucks not being wrapped inside the container”
“the water was not clear”
“Stained my freshly painted pool floor”
“Not as stated”
Top return reasons
Common questions
- Is pool closing kit for inground pool profitable to sell on Amazon United States?
- The niche generates $769K/yr across 33 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is +135.9%. Flapen's verdict: Worth a look (68/100).
- How competitive is the pool closing kit for inground pool niche?
- 16 brands and 81 sellers compete. The top 5 products take 52% of clicks and top 5 brands hold 73% of demand.
- What do buyers complain about in pool closing kit for inground pool?
- Top complaints mined from reviews: Functionality-Overall, Value For Money, Quality-Overall. The return rate is 0.6%.
- When does demand for pool closing kit for inground pool peak?
- Demand peaks in Aug–Sep–Oct; the busiest month runs 216.7× the quietest.
- What does it cost to enter the pool closing kit for inground pool niche?
- Listings span $13.67–$66.31; the average listing price is $33.06 (sweet spot $15–$100). The average incumbent carries 3,912 reviews — the moat a new listing must climb.