Deionised Water
brand-locked demand (top 5 brands take 100% of clicks) — Deionised Water doesn't clear our bar today.
Flapen Score
Ranks 517 of 811 Automotive niches · −4 vs the category median of 49
Is Deionised Water profitable on Amazon?
According to Flapen's Amazon United Kingdom niche tracking, Deionised Water is a £480K/yr Amazon United Kingdom market (286K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Jan–Feb–Mar–Oct. Verdict: Skip it — 45/100.
Deionised Water: the Amazon niche in one read
Everything a seller checks before entering, in three answers.
Is the demand real?
Not really. Search demand moved +21.1% over the last 90 days and 16.0% of searches end in a purchase.
£480K
revenue / yr
Who owns the niche?
The top 5 brands hold 100% of demand, so 0% of the market is open.
0%
open market share
Is there a way in?
Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.6★ — the gap to enter on.
0/100
page quality · 7 products
Top Deionised Water products & what they sell for
Every tracked product — its share of the shelf, its review moat, and what it sells for.
Top sellers
by 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
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: brands, sellers & click share
The top 5 products capture 93% of clicks — a locked-up shelf that new listings rarely crack.
Brands
3 falling
Sellers
7
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
93%
Top 20: 100%
Open market
0%
- Hexeal76%
- Pure Safe17%
- Filo7%
- Open — no brand owns it (0%)
Deionised Water demand & seasonality
Weekly search volume, with the niche's key stats alongside.
Peak months: Jan, Feb, Mar, Oct · busiest ÷ quietest = 2.8×
Top Deionised Water search terms shoppers use
The exact queries shoppers type, with 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
What reviews say buyers love and hate about Deionised Water
What buyers mention most, as a share of all reviews.
What buyers love
91% of reviews“Good value for money”
“As described”
“Great product”
“Great to use in the iron”
“Water that works”
What buyers complain about
90% of reviews“Unsealed lids, leaked before arriving”
“Really hard to open”
“Not worth the money imho”
“it certainly have less minerals then my tap water”
“try a brand with better quality containers”
Deionised Water return rate & reasons
Why buyers send it back, as a share of all return requests.
0.1%
Return rate
11%
Fixable by listing
The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.
Common Deionised Water questions
The questions sellers ask about this niche, answered from the tracked metrics.
Best Flapen score
The highest-scoring niches we track right now, across every category.









