Bromine Granules for Hot Tub
PassBromine Granules for Hot Tub scores 66 out of 100, a Pass. Shoppers spend an estimated $170K a year here, search demand grew +116.3% this quarter, and an estimated 0.1% of orders come back.
- Flapen Score
- 66 / 100Top 8% of 5,777 Home & Garden niches · +15 vs the category median of 5166
- Market size
- £170K/yr39K searches / yr
- 90-day growth
- +116.3%search demand this quarter
- Competition
- 64%top-5 click share · 11 brands · 24 sellers
Flapen Score
Bromine Granules for Hot Tub against its category
The dotted line is the Home & Garden average. Past it, Bromine Granules for Hot Tub is stronger. Inside it, weaker.
Market
The Bromine Granules for Hot Tub market on Amazon at a glance
Shoppers on Amazon United Kingdom searched for Bromine Granules for Hot Tub 39K times last year and spent an estimated £170K. The top 5 brands take 86% of clicks. Demand peaks in May–Jun–Jul–Aug. Flapen scores it 66 out of 100, a Pass.
01 · Demand
An estimated 18.2% of those searches ended in a purchase.
Shoppers searched for this 39K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 18.2% of those searches ended in a purchase. Searches in the last 90 days moved +116.3% against the 90 days before. Searches, conversion and average price together put the market at an estimated £170K a year.
- Searches, last 12 months
- 39K
- Growth, 90 days vs prior 90
- +116.3%
- Conversion, latest week
- 18.2%
- Market size, estimated
- £170Ka year
- Peak month
- July3.1× the quietest month
- Top search term
- bromine granules for hot tub24K searches a year
02 · Price
A sale here is worth £24.00.
Listings sell for £24.00 on average, from £8.41 to £44.04. Amazon reports units sold in ranges. This niche sold 6K to 8K a year. The average listing sells 250 to 500 of them. At £24.00 that is £6K to £12K a year per listing.
- Average price
- £24.00inside the $15 to $100 sweet spot
- Price range
- £8.41–£44.04
- Amazon United Kingdom median price
- £12.12across 27,606 niches
- Units sold a year
- 6K–8K
- Units per listing a year
- 250–500
- Revenue per listing a year
- £6K–£12K
- Returns
- 0.1%of orders · Amazon United Kingdom median 0.6%
03 · Entry bar
The bar here is low.
84% of listings pay for placement with sponsored ads. 21% ship with Prime. On an average day, 1.6% of listings are out of stock. The average listing ranks #25 within Pools, Hot Tubs & Supplies. It carries 684 reviews at 4.40 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 84%
- Prime listings
- 21%
- Out of stock, average day
- 1.6%
- Average rank
- #25in Pools, Hot Tubs & Supplies
- Average rating
- 4.40 starsAmazon United Kingdom average 4.36 stars
- Average reviews
- 684per listing
- Listings tracked
- 19
04 · Newcomers
Brands here are settling in.
The brands on the shelf have sold for 53 months on average, so the names here are settling in.
- Launched, last 12 months
- 0
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 53 months
Products
Top Bromine Granules for Hot Tub 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 26, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
AQUASPARKLE Bromine Infused Granules 1kg
- Price
- £16.24
- Rating
- 4.6/5
- Reviews
- 526
- Age
- 14y ago

ClearSpa Bromine Granules 1kg - Suitable for Hot Tub Spa and Swimming Pool Water Treatment
- Price
- £16.12
- Rating
- 4.7/5
- Reviews
- 304
- Age
- 4y ago

1kg Bluewater Bromine Granules for Hot Tub Gentle Alternative to Chlorine
- Price
- £15.94
- Rating
- 4.1/5
- Reviews
- 42
- Age
- 1y ago

SpaChem Spa Bromine Granules 1kg - Bromine Infused Granules primary sanitizer for your hot tub can be used with Bromine Tablets.
- Price
- £16.14
- Rating
- 4.6/5
- Reviews
- 209
- Age
- 9y ago

Kleen Spa Bromine Granules for Hot Tub 1KG Premium Fast Dissolving Hot Tub Bromine Granules for Crystal Clear Water
- Price
- £13.33
- Rating
- 4.2/5
- Reviews
- 49
- Age
- 7y ago
Trending
estimated 90-day click momentum
Test All Water Ltd - AquaSPArkle Bromine Granules | Rapid Dissolving | Neutral pH | Algae & Bacteria Guard | Hot Tub & Spa Sanitiser | 0.5kg | Compatible with Insta Test 5
- Price
- £14.92
- Rating
- 3.6/5
- Reviews
- 5
- Age
- 6y ago

Leisurechem Bromine Granules 1kg Maintains efficiency in elevated temperatures ideal for Hot tubs and Spa Sanitation.
- Price
- £16.59
- Rating
- 5.0/5
- Reviews
- 1
- Age
- 1y ago

Clearwater Water Clarifier for Hot tub Spa and Swimming Water Treatment for Pristine Crystal Clear Water (1L)
- Price
- £8.41
- Rating
- 4.5/5
- Reviews
- 10,632
- Age
- 18y ago

Kleen Spa Bromine Granules for Hot Tub 5KG Premium Fast Dissolving Hot Tub Bromine Granules for Crystal Clear Water
- Price
- £33.75
- Rating
- 4.6/5
- Reviews
- 33
- Age
- 6y ago

Kleen Spa Bromine Granules for Hot Tub 1KG Premium Fast Dissolving Hot Tub Bromine Granules for Crystal Clear Water
- Price
- £13.33
- Rating
- 4.2/5
- Reviews
- 49
- Age
- 7y ago
Newest
by launch date
Leisurechem Bromine Granules 1kg Maintains efficiency in elevated temperatures ideal for Hot tubs and Spa Sanitation.
- Price
- £16.59
- Rating
- 5.0/5
- Reviews
- 1
- Age
- 1y ago

AquaCare CHLORINE FREE Multifunctional Water Treatment Hydrogen Peroxide Formula for Hot Tubs Ice Baths and Pools 1L Kinder on Skin
- Price
- £10.01
- Rating
- 4.1/5
- Reviews
- 164
- Age
- 1y ago

1kg Bluewater Bromine Granules for Hot Tub Gentle Alternative to Chlorine
- Price
- £15.94
- Rating
- 4.1/5
- Reviews
- 42
- Age
- 1y ago

Bluewater Bromine Granules 5kg Gentle Alternative to Chlorine
- Price
- £40.64
- Rating
- 3.7/5
- Reviews
- 28
- Age
- 1y ago

Bluewater Bromine Granules 2kg Gentle Alternative to Chlorine
- Price
- £25.35
- Rating
- 4.0/5
- Reviews
- 21
- Age
- 1y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 64% of clicks. Leaders hold, but buyers still shop past them.
Brands
11 flat
Sellers
24
Est. top-5 brand share
86%
Top 20: 100%
Est. top-5 click share
64%
Top 20: 100%
Open market
10%
- ClearSpa25%
- AQUASPARKLE22%
- bluewater POOL & SPA CHEMICALS19%
- SpaChem11%
- RockWaterAir9%
- AquaCare4%
- Open — no brand owns it (5 brands, 10%)
Demand
Bromine Granules for Hot Tub search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: May, Jun, Jul, Aug · busiest ÷ quietest = 3.1×
Search terms
Top Bromine Granules for Hot Tub search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- bromine granules for hot tub24K/yr
- bromine granules8K/yr
- bromine7K/yr
Reviews and returns
What reviews say buyers love and hate about Bromine Granules for Hot Tub
We read the reviews and the return reasons for every product selling here.
“What a waste of money”
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.
18 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 Bromine Granules for Hot Tub 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









