fontus self filling water bottle
Skip itA concentrated shelf (top 5 take 89% of clicks) — this niche doesn't clear our bar today.
Quality gap
Incredible4.0★avg incumbent rating — lower means beatable quality
Review moat
Great476.33avg incumbent reviews — the moat a new listing must climb
Avg price
Good$114.18avg listing price — sweet spot $15–$100
Market size
Okay$155K$155K/yr · 63K searches
Price range
Okay$26.83–$281.81cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Okay2.1%search→purchase rate — share of searches ending in a sale
Growth
Bad-2.2%90-day search growth — must beat 0% to launch
Returns
Bad5.8%return rate — above 5% kills the launch gate
Brand share
Bad95%top-5 brand share — brand-locked demand
Competition
Bad89%top-5 click share — a locked-up shelf
According to Flapen's Amazon United States niche tracking, fontus self filling water bottle is a $155K/yr Amazon United States market (63K searches/yr). The top 5 brands hold 95% of demand. Demand peaks in Feb–Nov. Verdict: Skip it — 34/100.
Data updated Jul 26, 2026 · scored weekly · How we score niches
fontus self filling water bottle market data
- Units sold / yr
- 1K–1K
- avg 100–250/product
- Revenue / yr
- $114K–$143K
- units × avg price
- Conversion rate
- 2.1%
- Avg BSR
- #1,754
- Page quality
- 0%
- Prime
- 89%
- Sponsored
- 78%
- Out of stock
- 0.0%
- Avg brand age
- 36 months
- Avg seller age
- 167 days
Competition & brand share
The top 5 products capture 89% of clicks — a locked-up shelf that new listings rarely crack.Brands
7 flat
Sellers
14
Top-5 brand share
95%
Top 20: 100%
Top-5 click share
89%
Top 20: 100%
Open market
3%
- Echo Water79%
- Fakllod6%
- H2 Glow4%
- PIURIFY4%
- hydroh3%
- Echo Go3%
- Open — no brand owns it (1 brand, 3%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -2.2% search growth over the last 90 days.Peak months: Feb, Nov · busiest ÷ quietest = 2.2×
Top fontus self filling water bottle search terms
- echo water11K/yr
- echo water bottle8K/yr
- hydro water bottles6K/yr
- hydrogen water machine for home6K/yr
- water oxygenator5K/yr
- echo hydrogen water5K/yr
- echo go4K/yr
- echo go plus3K/yr
- oxygenated water machine3K/yr
- hydrogen water jug3K/yr
Top fontus self filling water bottle 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 9 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Echo Flask
Echo Water$281.813.7★229 rev
Echo Go+ Hydrogen Water Bottle - Hydrogen Infusion Technology - Rechargeable Water Bottle - SPE & PEM Purification - Active Hydration Support for Skin Health & Immune Function - 10 oz
Echo Water$217.903.9★421 rev
Fakllod Hydrogen Water Bottle Generator Portable Rechargeable aquahealth Hydrogen Water Hydrogen Water Ionizer Machine with SPE/PEM Technology for Home Office Travel Fitness Drinking
Fakllod$31.944.2★1,037 rev
H2 Glow 2026 Newly Updated Hydrogen Water Bottle Generator 4000 PPB 420ml Portable Hydrogen Water Ionizer with SPE/PEM Technology Hydrogen Water Machine High Hydrogen Concentration
H2 Glow$26.834.2★80 rev
Echo Molecular Hydrogen Drink Mix - 16 PPM - On-The-Go Gut Health Mix for Instant Hydrogen Water with Magnesium + Prebiotic Fiber - Crisp Apple Flavor - 30 Count
Echo Water$45.553.5★37 rev
Newest
by launch dateEcho Molecular Hydrogen Drink Mix - 16 PPM - On-The-Go Gut Health Mix for Instant Hydrogen Water with Magnesium + Prebiotic Fiber - Crisp Apple Flavor - 30 Count
Echo Water$45.5537 rev
Echo Flask
Echo Water$281.81229 rev
H2 Glow 2026 Newly Updated Hydrogen Water Bottle Generator 4000 PPB 420ml Portable Hydrogen Water Ionizer with SPE/PEM Technology Hydrogen Water Machine High Hydrogen Concentration
H2 Glow$26.8380 rev
Echo Go New Upgraded Version Hydrogen Water Bottle Hydrogen Water Bottle Generator Portable H2 Rich Water Cup Your Perfect Partner for a Health-Conscious Lifestyle Glass 380ml (White)
Echo Go$78.3535 rev
Upgrade Hydrogen Water Bottle Hydrogen Water Generator with Advanced SPE PEM Technology 420ml(14OZ) Hydro Water Machine Portable Water Ionizer for Travel Office Fitness & Everyday Hydration
WIYYH$35.73826 rev
Trending
90-day click momentumH2 Glow 2026 Newly Updated Hydrogen Water Bottle Generator 4000 PPB 420ml Portable Hydrogen Water Ionizer with SPE/PEM Technology Hydrogen Water Machine High Hydrogen Concentration
H2 Glow$26.834.2★
Echo Molecular Hydrogen Drink Mix - 16 PPM - On-The-Go Gut Health Mix for Instant Hydrogen Water with Magnesium + Prebiotic Fiber - Crisp Apple Flavor - 30 Count
Echo Water$45.553.5★
Hydroh Original Hydrogen Water Bottle 15oz Portable Hydrogen Water Bottle 2024 Advanced Hydrogen Rich Water Maker with SPE/PEM for Home Office Fitness Travel Drinking
hydroh$67.224.0★
Echo Go New Upgraded Version Hydrogen Water Bottle Hydrogen Water Bottle Generator Portable H2 Rich Water Cup Your Perfect Partner for a Health-Conscious Lifestyle Glass 380ml (White)
Echo Go$78.353.9★
PIURIFY 3 in 1 Hydrogen Water Machine: Hydrogen Water Generator + Vortex Structured Water + Calcium Sulfite Filter | SPE/PEM Hydrogen Water Pitcher with Magnetic Water | BPA-Free Tritan | 50 OZ
PIURIFY$242.254.4★
What buyers say about fontus self filling water bottle
What buyers praise and complain about, mined from review topics.What buyers love
“Excellent Quality”
“easy to deal with”
“seems to be effective”
“worth it”
“easy to clean”
“the design is very nice”
“Works as advertised”
“And good size”
“Its durable, great value, and easy to use”
“It charges easily”
What buyers complain about
“Dont last”
“Leaks”
“Its meant to be over priced”
“It takes hours to charge”
“Stopped working after a week”
“Poor quality charger or defective”
“Instructions are worthless”
“Battery life is horrible”
“it was too big for my single person needs”
“I can't review it because I have't been able to assemble It”
Top return reasons
Common questions
- Is fontus self filling water bottle profitable to sell on Amazon United States?
- The niche generates $155K/yr across 9 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -2.2%. Flapen's verdict: Skip it (34/100).
- How competitive is the fontus self filling water bottle niche?
- 7 brands and 14 sellers compete. The top 5 products take 89% of clicks and top 5 brands hold 95% of demand.
- What do buyers complain about in fontus self filling water bottle?
- Top complaints mined from reviews: Durability, Leak-Proof, Value For Money. The return rate is 5.8% — above our launch gate.
- When does demand for fontus self filling water bottle peak?
- Demand peaks in Feb–Nov; the busiest month runs 2.2× the quietest.
- What does it cost to enter the fontus self filling water bottle niche?
- Listings span $26.83–$281.81; the average listing price is $114.18 (sweet spot $15–$100). The average incumbent carries 476 reviews — the moat a new listing must climb.