Deionised Water
FailThe top 5 brands take 100% of clicks, so Deionised Water is a Fail.
- Flapen Score
- 45 / 100Ranks 517 of 811 Automotive niches · −4 vs the category median of 4945
- Market size
- £480K/yr286K searches / yr
- 90-day growth
- +21.1%search demand this quarter
- Competition
- 93%top-5 click share · 3 brands · 7 sellers
Flapen Score
Deionised Water against its category
The dotted line is the Automotive average. Past it, Deionised Water is stronger. Inside it, weaker.
Market
The Deionised Water market on Amazon at a glance
Shoppers on Amazon United Kingdom searched for Deionised Water 286K times last year and spent an estimated £480K. All 3 brands take every click. Demand peaks in Jan–Feb–Mar–Oct. Flapen scores it 45 out of 100, a Fail.
01 · Demand
An estimated 16.0% of those searches ended in a purchase.
Shoppers searched for this 286K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 16.0% of those searches ended in a purchase. Searches in the last 90 days moved +21.1% against the 90 days before. Searches, conversion and average price together put the market at an estimated £480K a year.
- Searches, last 12 months
- 286K
- Growth, 90 days vs prior 90
- +21.1%
- Conversion, latest week
- 16.0%
- Market size, estimated
- £480Ka year
- Peak month
- February2.8× the quietest month
- Top search term
- deionised water113K searches a year
02 · Price
A sale here is worth £10.51.
Listings sell for £10.51 on average, from £5.75 to £15.55. Amazon reports units sold in ranges. This niche sold 60K to 80K a year. The average listing sells 12,500 to 15,000 of them. At £10.51 that is £131K to £158K a year per listing.
- Average price
- £10.51under the $15 to $100 sweet spot
- Price range
- £5.75–£15.55
- Amazon United Kingdom median price
- £12.12across 27,606 niches
- Units sold a year
- 60K–80K
- Units per listing a year
- 12,500–15,000
- Revenue per listing a year
- £131K–£158K
- Returns
- 0.1%of orders · Amazon United Kingdom median 0.6%
03 · Entry bar
The bar here is ads.
100% of listings pay for placement with sponsored ads. 14% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #27 within Oils & Fluids. It carries 593 reviews at 4.64 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 100%
- Prime listings
- 14%
- Out of stock, average day
- 0.0%
- Average rank
- #27in Oils & Fluids
- Average rating
- 4.64 starsAmazon United Kingdom average 4.36 stars
- Average reviews
- 593per listing
- Listings tracked
- 7
04 · Newcomers
Brands here are settling in.
The brands on the shelf have sold for 58 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
- 58 months
Products
Top Deionised Water 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 18, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Hexeal Deionised Water 10L 10L of Deionised Water for Steam Irons Car Batteries Windscreen Fluid & Antifreeze Demineralised Water Reduces Limescale Deposits & Water Stains For Lab Use
- Price
- £8.18
- Rating
- 4.6/5
- Reviews
- 1,412
- Age
- 10y ago

Pure Safe Deionised Water 5 Litre Mineral-Free Water for Car Batteries Steam Irons Cleaning & Laboratory Use No Impurities Multi-Purpose Distilled Water Alternative
- Price
- £6.05
- Rating
- 4.7/5
- Reviews
- 414
- Age
- 1y ago

Hexeal Deionised Water 5L for Steam Irons Car Batteries Windscreen Fluid & Antifreeze - Demineralised Reduces Limescale Deposits & Stains - For Lab Use
- Price
- £5.75
- Rating
- 4.6/5
- Reviews
- 665
- Age
- 5y ago

Hexeal Deionised Water 20L 4 x 5L of Deionised Water for Steam Irons Car Batteries Windscreen Fluid & Antifreeze Demineralised Water Reduces Limescale Deposits & Water Stains For Lab Use
- Price
- £15.55
- Rating
- 4.7/5
- Reviews
- 459
- Age
- 5y ago

Hexeal Deionised Water 25L 25L of Deionised Water for Steam Irons Car Batteries Windscreen Fluid & Antifreeze Demineralised Water Reduces Limescale Deposits & Water Stains For Lab Use
- Price
- £15.25
- Rating
- 4.7/5
- Reviews
- 982
- Age
- 11y ago
Trending
estimated 90-day click momentum
Filo Deionised Water 10l (2x 5L) Purified De Ionised Water for Car Batteries Screen Wash Radiators Cooling Systems and Iron Water for Steam Iron
- Price
- £8.34
- Rating
- 4.6/5
- Reviews
- 111
- Age
- 1y ago

Filo Deionised Water 20l (4x5L) Purified De Ionised Water for Car Batteries Screen Wash Radiators Cooling Systems and Iron Water for Steam Iron
- Price
- £14.43
- Rating
- 4.6/5
- Reviews
- 111
- Age
- 1y ago

Hexeal Deionised Water 10L 10L of Deionised Water for Steam Irons Car Batteries Windscreen Fluid & Antifreeze Demineralised Water Reduces Limescale Deposits & Water Stains For Lab Use
- Price
- £8.18
- Rating
- 4.6/5
- Reviews
- 1,412
- Age
- 10y ago

Hexeal Deionised Water 20L 4 x 5L of Deionised Water for Steam Irons Car Batteries Windscreen Fluid & Antifreeze Demineralised Water Reduces Limescale Deposits & Water Stains For Lab Use
- Price
- £15.55
- Rating
- 4.7/5
- Reviews
- 459
- Age
- 5y ago

Hexeal Deionised Water 25L 25L of Deionised Water for Steam Irons Car Batteries Windscreen Fluid & Antifreeze Demineralised Water Reduces Limescale Deposits & Water Stains For Lab Use
- Price
- £15.25
- Rating
- 4.7/5
- Reviews
- 982
- Age
- 11y ago
Newest
by launch date
Pure Safe Deionised Water 5 Litre Mineral-Free Water for Car Batteries Steam Irons Cleaning & Laboratory Use No Impurities Multi-Purpose Distilled Water Alternative
- Price
- £6.05
- Rating
- 4.7/5
- Reviews
- 414
- Age
- 1y ago

Filo Deionised Water 20l (4x5L) Purified De Ionised Water for Car Batteries Screen Wash Radiators Cooling Systems and Iron Water for Steam Iron
- Price
- £14.43
- Rating
- 4.6/5
- Reviews
- 111
- Age
- 1y ago

Filo Deionised Water 10l (2x 5L) Purified De Ionised Water for Car Batteries Screen Wash Radiators Cooling Systems and Iron Water for Steam Iron
- Price
- £8.34
- Rating
- 4.6/5
- Reviews
- 111
- Age
- 1y ago

Hexeal Deionised Water 20L 4 x 5L of Deionised Water for Steam Irons Car Batteries Windscreen Fluid & Antifreeze Demineralised Water Reduces Limescale Deposits & Water Stains For Lab Use
- Price
- £15.55
- Rating
- 4.7/5
- Reviews
- 459
- Age
- 5y ago

Hexeal Deionised Water 5L for Steam Irons Car Batteries Windscreen Fluid & Antifreeze - Demineralised Reduces Limescale Deposits & Stains - For Lab Use
- Price
- £5.75
- Rating
- 4.6/5
- Reviews
- 665
- Age
- 5y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 93% of clicks. A locked shelf that new listings rarely crack.
Brands
3 falling
Sellers
7
Est. top-5 brand share
100%
Top 20: 100%
Est. top-5 click share
93%
Top 20: 100%
Open market
0%
- Hexeal76%
- Pure Safe17%
- Filo7%
- Open — no brand owns it (0%)
Demand
Deionised Water search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Jan, Feb, Mar, Oct · busiest ÷ quietest = 2.8×
Search terms
Top Deionised Water search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- deionised water113K/yr
- deionised water 5l42K/yr
- de ionised water25K/yr
- deionised water for steam iron14K/yr
- de ionised water 5l13K/yr
- ionised water16K/yr
- de-ionised water10K/yr
- distilled water for steam irons11K/yr
- deionised water 2.5l5K/yr
- carplan de-ionised water7K/yr
Reviews and returns
What reviews say buyers love and hate about Deionised Water
We read the reviews and the return reasons for every product selling here.
“Unsealed lids, leaked before arriving”
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.
19 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 Deionised Water 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









