Skip to content

Bromine Granules for Hot Tub

Pass

Bromine 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.

Filters Trending
Flapen Score
66
66 / 100
Top 8% of 5,777 Home & Garden niches · +15 vs the category median of 51
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.

66Pass
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

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.

Competition

Competition: brands, sellers & click share

The top 5 products take an estimated 64% of clicks. Leaders hold, but buyers still shop past them.

£0£8K£17K£25K£34K1101001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

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.

2K2KSpike '24Holiday '24Spike '25Prime Day '25Holiday '25Spike '26Prime Day '26SepDecMarJunAugNovMarMay

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.

26%of positive reviews mention “Value For Money”
33%of negative reviews mention “Value For Money”
0.1%of orders come back
“What a waste of money”
A buyer, on “Value For Money”33% of negative reviews mention the same topic

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

NegativePositive

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