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Caustic Soda

Maybe

Returns run at only 0.1% of orders. But the top 5 products take 83% of clicks, so Caustic Soda is a Maybe.

Flapen Score
51
51 / 100
Top 27% of 2,976 Grocery niches · +5 vs the category median of 46
Market size
£366K/yr229K searches / yr
90-day growth
-4.8%search demand this quarter
Competition
83%top-5 click share · 9 brands · 24 sellers

Flapen Score

Caustic Soda against its category

The dotted line is the Grocery average. Past it, Caustic Soda is stronger. Inside it, weaker.

51Maybe
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Caustic Soda market on Amazon at a glance

Shoppers on Amazon United Kingdom searched for Caustic Soda 229K times last year and spent an estimated £366K. The top 5 brands take 90% of clicks. Flapen scores it 51 out of 100, a Maybe.

01 · Demand

13.9% of searches ended in a purchase last week.

Shoppers searched for this 229K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. In the latest week, 13.9% of those searches ended in a purchase. Searches in the last 90 days moved -4.8% against the 90 days before. Searches, conversion and average price together put the market at an estimated £366K a year.

Searches, last 12 months
229K
Growth, 90 days vs prior 90
-4.8%
Conversion, latest week
13.9%
Market size, estimated
£366Ka year
Peak month
February1.3× the quietest month
Top search term
caustic soda140K searches a year

02 · Price

A sale here is worth £11.47.

Listings sell for £11.47 on average, from £3.35 to £34.26. Amazon reports units sold in ranges. This niche sold 30K to 40K a year. The average listing sells 2,000 to 2,500 of them. At £11.47 that is £23K to £29K a year per listing.

Average price
£11.47under the $15 to $100 sweet spot
Price range
£3.35–£34.26
Amazon United Kingdom median price
£12.12across 27,606 niches
Units sold a year
30K–40K
Units per listing a year
2,000–2,500
Revenue per listing a year
£23K–£29K
Returns
0.1%of orders · Amazon United Kingdom median 0.6%

03 · Entry bar

The bar here is low.

83% of listings pay for placement with sponsored ads. 67% ship with Prime. On an average day, 1.0% of listings are out of stock. The average listing ranks #94 within Household Cleaners. It carries 330 reviews at 4.38 stars, so a new listing needs social proof before a better product.

Sponsored listings
83%
Prime listings
67%
Out of stock, average day
1.0%
Average rank
#94in Household Cleaners
Average rating
4.38 starsAmazon United Kingdom average 4.36 stars
Average reviews
330per listing
Listings tracked
12

04 · Newcomers

Amazon counts 2 of last year's 2 launches as successful.

2 products launched here in the last 12 months. Amazon counts 2 of them as successful launches, new products that hit its first-year sales bar. The brands on the shelf have sold for 38 months on average, so the names here are settling in.

Launched, last 12 months
2
Successful launches
2Amazon's first-year sales bar
Average brand age
38 months

Products

Top Caustic Soda products & what they sell for

Every tracked product: its share of the shelf, its reviews, and its price.

Competition

Competition: brands, sellers & click share

The top 5 products take 83% of clicks. A locked shelf that new listings rarely crack.

£0£37K£73K£110K£147K1101001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

9 rising

Sellers

24

Top-5 brand share

90%

Top 20: 100%

Top-5 click share

83%

Top 20: 100%

Open market

7%

  • Max34%
  • EasyClean26%
  • Epished17%
  • The Retail Heaven10%
  • Thomas Bewick3%
  • MUSON TRADE3%
  • Open — no brand owns it (3 brands, 7%)

Demand

Caustic Soda search demand

Weekly searches over the year, seasonality beneath. Pick a range.

5K3KSpike '25Spike '26SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.3×

Search terms

Top Caustic Soda search terms shoppers use

The exact words shoppers type, with yearly volume, growth, and conversion.

  • caustic soda140K/yr
  • caustic soda drain unblocker51K/yr
  • caustic soda max strength11K/yr
  • caustic soda crystals12K/yr
  • caustic soda powder7K/yr
  • costick soda drain cleaner6K/yr
  • costick soda3K/yr

Reviews and returns

What reviews say buyers love and hate about Caustic Soda

What buyers praise, what they complain about and why they send it back, from the reviews.

Complain

Functionality-Overall30%−0.16

Did not work for

didn't helped

Didn't work

Strength17%−0.16

Not Strong Enough

Weaker than it used to be

Just not strong enough

Value For Money8%+0.66

not cheaper though

this was a waste of money

Additionally this product is very expensive

Instructions/User Manual/Troubleshooting4%

Does nothing followed instructions and just nothing

you need to be extra careful with mixing it in water thoroughly as otherwise it could cause certain issues if you dont follow the instructions correctly

Solubility3%−0.03

it doesnt dissolve

Love

Quality-Overall18%+1.27

Good brand use for washing powder

Best quality

Excellent product

Value For Money17%+0.66

Great Value

Reasonable price

Good price

Advertised Vs Actual Product17%+0.94

As advertised

exactly as described

exactly as advertised

Strength10%−0.16

Very strong

Effective

Powerful

Ease Of Use7%+0.50

Easy to Use

Fast results and good value for money

large box with 3 big containers easy to use seems to do the job well so wrll worth it

Return

0.1% Return rate 13% Fixable by listing

Leak-Proof26%█▆▁▃▃▃
Functionality-Overall25%▁▃▃▄██

Did not work for

didn't helped

Didn't work

Advertised Vs Actual Product9%▁▁▃█▁▁
Instructions/User Manual/Troubleshooting6%▁█▂▁▁▁

Does nothing followed instructions and just nothing

you need to be extra careful with mixing it in water thoroughly as otherwise it could cause certain issues if you dont follow the instructions correctly

Quality-Overall5%▁▁█▁▁▁

FAQ

Common Caustic Soda questions

Answered from the same tracked data.