zero water
Worth a lookShows low returns (0.5%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Returns
Incredible0.5%return rate — above 5% kills the launch gate
Avg price
Incredible£35.86avg listing price — sweet spot $15–$100
Price range
Incredible£19.27–£68.65cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Great4.0★avg incumbent rating — lower means beatable quality
Conversion
Good6.0%search→purchase rate — share of searches ending in a sale
Competition
Good49%top-5 click share — leaders hold, buyers still browse
Market size
Good£415K£415K/yr · 194K searches
Review moat
Bad15,674.85avg incumbent reviews — the moat a new listing must climb
Growth
Bad-22.3%90-day search growth — must beat 0% to launch
Brand share
Bad98%top-5 brand share — brand-locked demand
According to Flapen's Amazon United Kingdom niche tracking, zero water is a £415K/yr Amazon United Kingdom market (194K searches/yr). The top 5 brands hold 98% of demand. Demand peaks in Mar–Apr. Verdict: Worth a look — 56/100.
Data updated Jul 27, 2026 · scored weekly · How we score niches
zero water market data
- Units sold / yr
- 10K–13K
- avg 250–500/product
- Revenue / yr
- £359K–£448K
- units × avg price
- Conversion rate
- 6.0%
- Avg BSR
- #569
- Page quality
- 0%
- Prime
- 45%
- Sponsored
- 60%
- Out of stock
- 20.4%
- Avg brand age
- 50 months
- Avg seller age
- 186 days
Competition & brand share
The top 5 products take 49% of clicks — established leaders, but buyers still shop beyond them.Brands
6 rising
Sellers
25
Top-5 brand share
98%
Top 20: 100%
Top-5 click share
49%
Top 20: 100%
Open market
0%
- ZeroWater59%
- Culligan16%
- zeroliquid10%
- ZaKaBox9%
- VI PHASES4%
- Finest-Filters2%
- Open — no brand owns it (0%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -22.3% search growth over the last 90 days.Peak months: Mar, Apr · busiest ÷ quietest = 1.6×
Top zero water search terms
- zero water filter replacement41K/yr
- zero water filter43K/yr
- zero water36K/yr
- zerowater filter18K/yr
- zero water filter jug18K/yr
- zerowater16K/yr
- zerowater filter jug5K/yr
- zero water filters5K/yr
- zero water jug4K/yr
- zero water filter cartridges4K/yr
Top zero water products on Amazon
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 20 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
ZeroWater Official 5-Stage Water Filter for Replacement NSF Certified to Reduce Lead Other Heavy Metals and PFOA/PFOS 4-Pack
ZeroWater£48.434.4★94,958 rev
ZeroWater 10 Cup 2.4 Litre Water Purifier Filter Jug with Digital Water Quality Meter Included
ZeroWater£37.634.4★128 rev
ZeroWater Replacement Water Filter Cartridges | 5 Stage Filtration System Reduces Fluoride Chlorine Lead and Chromium 2 x Filter
ZeroWater£25.474.4★1,627 rev
Water Filter Cartridges Replacement Compatible with ZeroWater Filter Jug ZR-017 ZP-010 Remove 99.9% Lead Chlorine Fluoride Heavy Metals PFOA/PFOS BPA Free TUV Certified 6-Stage (2 Pack)
zeroliquid£26.113.7★184 rev
Culligan Zerowater 5-Stage Water Filter Replacement IAPMO Certified to Reduce PFOA/PFOS Fluoride Lead Chromium and Other Heavy Metals- 0 TDS BPA Free 6-Pack
ZeroWater£68.654.4★94,958 rev
Newest
by launch date
ZaKaBox Water Filter Replacement for Zero Water 2-Pack 6-Stage 0 TDS Cartridges Compatible with ZeroWater ZR-001/003/004/006/008/012/017/ZR-600 etc. for Zero Water Filter
ZaKaBox£19.2735 rev
ZaKaBox 4-Pack Water Filter Replacement for Zero Water Filter Jug ZR-017 6-Stage 0 TDS Cartridges fits (ZR-001/003/004/006/008/012/017/ZR-600) Filter cartridges
ZaKaBox£33.6735 rev
Culligan with ZeroWater Technology 2.8-L Water Filter Jug Includes 5-Stage Advanced Water Filter IAPMO Certified to Reduce Lead Total PFAS (Forever Chemicals) Mercury Fluoride and Chlorine
Culligan£32.522,260 rev
Culligan with ZeroWater Technology 1.7-L Water Filter Jug Includes 5-Stage Advanced Water Filter IAPMO Certified to Reduce Lead Total PFAS (Forever Chemicals) Mercury Fluoride and Chlorine
Culligan£23.282,260 rev
Culligan with ZeroWater Technology 7.6-L Water Filter Dispenser Includes 5-Stage Advanced Water Filter Certified to Reduce Lead Total PFAS (Forever Chemicals) Mercury Fluoride and Chlorine
Culligan£43.342,260 rev
Trending
90-day click momentum
ZeroWater 20 Cup Ready Pour Dispenser Water Quality Meter BPA-Free NSF Certified to Reduce Lead and Other Heavy Metals Blue Pack Of 1
ZeroWater£44.773.9★
ZeroWater 10 Cup 2.4 Litre Water Purifier Filter Jug with Digital Water Quality Meter Included
ZeroWater£37.634.4★
ZaKaBox Water Filter Replacement for Zero Water 2-Pack 6-Stage 0 TDS Cartridges Compatible with ZeroWater ZR-001/003/004/006/008/012/017/ZR-600 etc. for Zero Water Filter
ZaKaBox£19.274.0★
Culligan with ZeroWater Technology Replacement Filter 3-Pack 5-Stage Advanced Water Filter IAPMO Certified to Reduce Lead Total PFAS (Forever Chemicals) Mercury Fluoride and Chlorine
Culligan£37.594.1★
ZeroWater 32 Cup Ready-Read 5-Stage Water Filter Dispenser NSF Certified to Reduce Lead and PFOA/PFOS Instant TDS Read Out
ZeroWater£48.893.8★
What buyers say about zero water
What buyers praise and complain about, mined from review topics.What buyers love
“Excellent filtration system”
“Good quality”
“Just a lot cheaper”
“They are a convenient size for me”
“effective”
“Easy to use”
“Long lasting”
“Amazing technology”
“Cleans the water you nicely”
“Works well & when it needs changing there will be a very slight smell when boiled”
What buyers complain about
“Horrible filters”
“I find it a little bit expensive”
“an extremely strong fishy smell”
“Disappointed With the Quality”
“It doesnt last for more than 3 days”
“Water came through almost black”
“Disappointed didnt fit”
“It leaked from the sides”
“Doesnt actually work”
“the gauge was wrong”
Top return reasons
Common questions
- Is zero water profitable to sell on Amazon United Kingdom?
- The niche generates £415K/yr across 20 tracked products. 90-day search growth is -22.3%. Flapen's verdict: Worth a look (56/100).
- How competitive is the zero water niche?
- 6 brands and 25 sellers compete. The top 5 products take 49% of clicks and top 5 brands hold 98% of demand.
- What do buyers complain about in zero water?
- Top complaints mined from reviews: Filtration, Value For Money, Smell. The return rate is 0.5%.
- When does demand for zero water peak?
- Demand peaks in Mar–Apr; the busiest month runs 1.6× the quietest.
- What does it cost to enter the zero water niche?
- Listings span £19.27–£68.65; the average listing price is £35.86 (sweet spot $15–$100). The average incumbent carries 15,675 reviews — the moat a new listing must climb.