

HERO Bath
The HERO Bath is the most certified hydrogen bath system in the range — FCC Part 15 Subpart B, CE, RoHS, ISO 9001 and ISO 13485, independently tested in an accredited anechoic chamber. Produces >2,000 ppb dissolved molecular hydrogen at 3,750 ml/min output. The reference machine for dedicated hydrogen bath use in home and spa environments.

HydrogenMachines™ systems, including the HERO Bath, undergo independent laboratory analysis performed by certified scientific technicians. These evaluations confirm:
This scientific verification provides transparent, evidence-informed assurance for professional wellness environments and personal wellbeing spaces.
Each system is built using natural, toxic-free materials and engineered for quiet, immersive operation. Purity verification supports their role as sensory inputs that contribute to emotional steadiness and relaxation within integrated wellbeing ecosystems, including spa suites, quiet relaxation rooms, and other calm wellbeing spaces.

The hydrogen‑bath machine is equipped with a PEM electrolyzer and a 3‑liter pure‑water tank. Water inside the tank undergoes electrolysis to generate hydrogen gas. After water‑gas separation, the hydrogen is broken down into tiny nanoscale bubbles. A water pump draws bath‑tub water into the hydrogen‑mixing pump for hydrogen infusion before pumping the treated water back to the tub, which gives the bath water a milky‑white appearance.

HERO Bath uses a closed-loop circulation system built around a PEM electrolyzer and a 3-liter internal reservoir of pure water. That water undergoes electrolysis to generate hydrogen gas, which is separated from the water stream and broken down into tiny nanoscale bubbles. A water pump draws bathwater from your tub into the hydrogen-mixing pump, where it's infused with dissolved hydrogen at >2,000 ppb, with water circulated at up to 3,750 ml/min, before being returned continuously to the bath through a second hose — for the duration of your session. This continuous cycling is what gives hydrogen-rich bathwater its characteristic milky-white appearance, without needing to add anything to the bath beyond the water you're already sitting in.
Keep these clearly distinguished. 3,750 ml/min should never be read as a gas flow rate anywhere on the page or in any other copy that references it.
General wellness device. No medical or treatment claims are made.
Independent anechoic chamber test — Shenzhen LST Technology Co., Ltd. · May 2025
FCC PART 15 SUBPART B
This machine was independently tested for electromagnetic compliance by Shenzhen LST Technology Co., Ltd. — an accredited test laboratory — under FCC Part 15 Subpart B and ANSI C63.4:2014 standards.
The photograph shows the machine being tested in a fully equipped RF-shielded anechoic chamber with calibrated Rohde & Schwarz and Agilent measurement equipment.
Download full test report (PDF — 21 pages) →
FCC Part 15 Subpart B covers electromagnetic emission limits for unintentional radiators. This is the correct compliance pathway for hydrogen generation equipment.
"The quality is obvious the moment you take it out of the box. This is not a gadget. It feels like the thing it says it is."
The PEM electrolysis stack at the heart of every machine we sell is rated to up to 10,000 hours of continuous operation — the same engineering tier used in industrial hydrogen equipment. That's not marketing. It's what the cell is built and tested to do.
13.6 years of daily 2-hour sessions before the cell hits its rated end-of-life.
Built in facilities certified to ISO 13485, the quality-management standard used by regulated manufacturers. The certification covers how the factory is run — it is not a medical-device registration of our products.
CE electrical/EMC, FCC Part 15 Subpart B (US radio-frequency) and RoHS restricted-substances compliance — published, not implied.
What the average wellness gadget is engineered to last. The gap is the point.
The maths: a 10,000-hour cell run 2 hours a day = 13.6 years. Run 1 hour a day = 27 years. The cost per session sits in the cents, not the dollars — and the chassis is built around a stack that outlives most home appliances. That's the difference between an industrial-grade machine and a cheaper unit that carries no published certification marks.
Hydrogen Machines products are general wellness devices. They are not medical devices and are not registered, approved or cleared as such by the TGA, FDA or any other regulator. References to industrial-grade engineering, ISO 13485 manufacturing and 10,000-hour stack life describe how the hardware is built — they are not medical, therapeutic or disease-treatment claims.

Full specification comparison — Echo Revive vs HERO Bath →
Why are some hydrogen bath machines so much more expensive? We answer that directly →
Planning to buy? Read the complete buyer's guide first →
Buying for a spa or clinic? See our Trade Program →
Interested in hydrogen-rich water research beyond wellness? Hydrogenated water for agriculture — crop and livestock research →
Aquaculture context? Hydrogenated water for aquaculture — finfish research →
The HERO Bath is a dedicated hydrogen bath system. It produces hydrogen-rich water at >2,000 ppb inside the machine and delivers it into the bath at 3,750 ml/min — more than four times the flow rate of the Echo Revive at its published 850 ml/min. HERO Bath is a dedicated hydrogen bathing system — also referred to as hydrogen immersion. Because it saturates water volume rather than connecting to a fixed fitting, the same unit serves a household bathtub, an outdoor hot tub, a jacuzzi, a spa treatment suite or a clinic wellness room, with no plumbing and no modification to the tub.
Precision control for comfortable daily use.
Hydrogen-rich water produced at >2,000 ppb inside the machine and delivered into the bath at 3,750 ml/min. A different delivery architecture from gas diffusion.
More than 4× the published flow rate of the Echo Revive (850 ml/min). Faster concentration build across the full bath volume.
Manufacturer-confirmed dissolved hydrogen concentration. Above the Echo Revive's published output of up to 1,600 ppb.
Five independent certifications — the fullest certification stack on any bath system in the range and in the direct-price market.
14 kg benchtop unit. Moves between locations, rooms or properties. No fixed installation required.
99.991% pure H₂. No chemical electrolyte additives. No contamination risk.
Session timer and settings managed via integrated touchscreen panel.
Portable benchtop format — no installation, no modification to your home or clinic.
The Echo Revive (A$10,803 in Australia via Dr.Water · $7,499 USD direct from echowater.com, at time of publication) carries CE, RoHS and BPA Free certification.
The HERO Bath carries CE, FCC, RoHS, ISO 9001 and ISO 13485 — five independently issued certifications from accredited bodies. FCC confirms US federal radio frequency compliance. ISO 9001 confirms quality management system. ISO 13485 describes the manufacturing quality-management system used by the factory — it is not a medical-device registration, clearance or approval of the product. These certifications describe the hardware and manufacturing process, not medical or therapeutic status.
The HERO Bath also delivers hydrogen-rich water at 3,750 ml/min — more than four times the Echo Revive's published flow rate of 850 ml/min (at time of publication). Higher flow means the bath reaches target concentration faster and maintains it more consistently across the full session duration.
>2,000 ppb. 3,750 ml/min. Five certifications. $5,397 USD. Free worldwide delivery — duties included.
Echo Revive AU price sourced from drwater.store. Echo Revive US price sourced from echowater.com. Echo Revive certifications sourced from drwater.store product page. Echo Revive flow rate sourced from product touchscreen display visible in drwater.store product images. All figures at time of publication. General wellness devices only — no medical or treatment claims are made by Hydrogen Machines.
"The machine arrived in France without a single issue. Setup took ten minutes. I've used it every evening since."
Commercial hydrogen bath systems — the same category HERO Bath competes in — are built around a consistent, well-established interval: 15–20 minute sessions, water temperature 37–40°C (98–104°F). This isn't an arbitrary starting point. Manufacturer documentation for comparable commercial systems explicitly states measurable benefit is achieved within just 15 minutes, and the generation cycle itself is capped at 60 minutes — a hardware heat-management limit, not a reflection of how long you need to soak.
Hydrogen bathing is an emerging area of interest, with early research exploring its role in skin comfort, post-exercise recovery, and general relaxation. As with any general wellness practice, it's worth understanding what the current evidence actually supports — and what it doesn't yet establish.
Skin comfort and appearance. Early pilot research has looked at hydrogen's effect on skin redness and general skin comfort, with encouraging early signals — though larger, more rigorous trials are still needed before firm conclusions can be drawn.
Post-exercise recovery and relaxation. Many users incorporate a hydrogen bath into an evening wind-down routine, or after a hard training session, drawing on hydrogen's studied antioxidant and anti-inflammatory properties at the cellular level. This is a plausible, reasonable use consistent with the broader body of hydrogen research — though, as with skin comfort, larger dose-controlled human trials are still an active area of research.
A calm, unhurried ritual. Beyond any specific physiological effect, many users simply value hydrogen bathing as a dedicated period of rest — warm water, quiet time, and a deliberate pause in the day.
Hydrogen Machines products are general wellness devices. This content describes usage guidance and general research context — it is not medical advice, and no claim is made to diagnose, treat, cure, or prevent any disease or medical condition.
Clinics, practitioners, and resorts often require deeper reference material.
See the full hydrogen bathing and inhalation guides for detailed protocols, engineering rationale, and professional usage considerations.
For the complete reference, see the Hydrogen Bath Buyer's Guide.
Short answer
What is a hydrogen spa generator?
A hydrogen spa generator dissolves high-purity molecular hydrogen into bath water. HERO Bath runs a 15–20 minute generation cycle, then the bath is used for a 20–40 minute soak — a relaxation and recovery routine for homes, treatment rooms and spa suites. It is a general wellness device, not a medical device.
Hydrogen Machines supplies consumer and professional hydrogen wellness devices. They are general wellness products, not medical devices, and are not intended to diagnose, treat, cure or prevent any disease. Consult a qualified health professional before starting any new wellness routine.
Clinical-grade hydrogen bathing systems engineered for purity, reliability, and daily workflow consistency.
"Clinical-grade" and "professional" describe hardware build, purity verification and duty-cycle engineering only. These are general wellness devices — not medical devices, and not registered, cleared or approved by the TGA, FDA or any other regulator. No disease, diagnostic or treatment claims are made.
Fill with RO-pure or distilled water, purge briefly, then run back-to-back client sessions at a fixed flow setting. Cannulas are single-client consumables; wipe down the housing between sessions.
Keep a dedicated RO or distilled water supply on site. Refill from a labelled container only, never from mains or filtered tap water, and drain the reservoir before extended shutdowns.
Water quality is the single biggest driver of PEM stack life. Feeding anything other than RO-pure or distilled water introduces minerals that scale the membrane, reduce output stability and void warranty cover.
Position the unit beside the bath, hot tub or jacuzzi, start saturation as the water fills, and allow the target dissolved-hydrogen level to establish before the session. Typical professional turnaround in a spa suite or wellness room is a 20–40 minute session plus drain and reset.
Rooms that run both modalities commonly sequence a hydrogen bathing session followed by an inhalation session, so one appointment slot uses two separate machines rather than switching a single unit mid-session.
Water requirements in detail: HERO Purity 200-110 RO system · Practitioner solutions
The two-modality room in one package: a HERO inhalation system paired with the HERO Bath, sized for daily back-to-back professional sessions.
Practitioners rely on RO purity to maintain membrane integrity and ensure safe, repeatable client sessions.
Purity requirements in detail: Hydrogen water purity & RO requirements · HERO Purity 200-110 RO system
Our PEM/SPE membrane electrolysis produces independently lab-verified 99.991% pure hydrogen from purified water — a clean, physically separated gas stream with no additives and nothing left behind to degrade.
Hydrogen water is not always made this way. Some products generate hydrogen through a dissolving tablet, typically a magnesium-and-acid reaction activated directly in your glass. It’s a fundamentally different process, and it comes with a trade-off worth knowing about:
As the reactive tablet material breaks down in water, it can introduce trace contaminants — including heavy metals — into what you’re about to drink.
This isn’t speculation; it’s a category-wide characteristic acknowledged within the hydrogen tablet industry itself. When a reactive material dissolves to create hydrogen, something must remain behind — by design.
Because hydrogen and oxygen are separated through a physical membrane rather than generated by a dissolving reactive tablet, there is:
When purity is independently verified rather than assumed, you know exactly what’s in your glass.
We back every machine with terms most consumer-grade brands won't match: a full 90-day refund and a 24-month warranty handled directly by us — no distributor runaround.
24-month manufacturer coverage for defects in materials and workmanship. Built to the same PEM/SPE stack specification rated for 10,000 hours of continuous operation.
Return your machine within 90 days of arrival for a full refund of the product price — not store credit. If the unit is faulty on arrival, we cover return shipping too.
Our return rate is effectively zero. We ship only after pre-sale fit checks so the right machine reaches the right user the first time.
Same-day reply during business hours at office@hydrogenmachinesusa.com.
"I didn't expect to feel the difference the first time. I expected to feel it after a week. I was wrong."

Hydrogen Machines are now used in France, Spain, the Netherlands, Germany, Italy, and the UK, with growing demand from wellness practitioners, longevity and wellness clinics, and home wellness users.
Built to the same PEM/SPE stack specification rated for 10,000 hours of continuous operation.
Certified purity documentation from our OEM manufacturing partner. No ozone, no chlorine, no harmful byproducts.
We ship daily to France, Spain, Netherlands, Germany, Italy, and UK with full tracking and secure packaging for long-distance transport.
Questions before or after delivery? Speak directly with Peter for expert guidance.
Hydrogen Machines are used by wellness centres, longevity and anti-aging clinics, respiratory wellness practitioners, spa therapy facilities, and wellbeing studios across France, Spain, the Netherlands, Germany, Italy, and the UK. The HERO Inhaler Pro is the preferred model for clinics that need higher output and long operating hours; the HERO Inhaler suits smaller therapy rooms and single-user practices.
Pure PEM/SPE membrane separation — no mixed gas, no ozone, no chlorine, no harmful byproducts.
OEM purity certificates and engineering documentation available for clinics that require compliance transparency.
Reinforced channels and industrial-grade components rated to the same PEM stack spec of 10,000 hours of continuous operation.
Suitable for back-to-back client sessions in wellness environments and multi-room clinics.
Hydrogen Machines are general wellness devices. Certification and engineering claims describe hardware and manufacturing standards, not medical or therapeutic status. Practitioners are responsible for use within their own local regulatory scope.
Comparison based on manufacturer-published engineering specifications.
A factual engineering comparison across dissolved hydrogen, bath flow, build quality, and service life.
Comparison based on manufacturer-published engineering specifications. Hydrogen Machines products are general wellness devices; certifications and specifications describe hardware and manufacturing, not medical or therapeutic status.
No. Our hydrogen bath systems are general wellness devices. They are not registered, cleared or approved as medical devices by the TGA, FDA or any other regulator. No disease, diagnostic or treatment claims are made.
No plumbing. The unit sits beside the bath, draws power from a standard wall outlet and delivers hydrogen-rich water into the bath via a tube — nothing has to be connected to your fixtures.
20–40 minutes is the typical hydrogen bath duration. The machine reaches target dissolved-hydrogen concentration within a few minutes of filling.
Free tracked worldwide delivery, 10 business days typical transit. Duties and taxes are prepaid on arrival (DDP) into supported countries; otherwise collected by the carrier.
24-month manufacturer warranty covering defects in materials and workmanship, plus a 90-day money-back guarantee from the day the machine arrives.
All HERO inhalation systems are built for continuous operation, but flow rate determines how many clients you can turn around. HERO Inhaler 900 and 1200 suit single-room practices, 1500 and 2000 suit busier rooms or two users on a dual cannula, and HERO Inhaler Pro 3000 is the choice where two to three concurrent users or all-day back-to-back sessions are the norm.
PEM electrolysis stacks are fed water directly. RO-pure or distilled water (resistivity greater than 2 MΩ·cm) contains no dissolved minerals, so nothing is left behind on the membrane. Tap or filtered mains water deposits scale that reduces output stability, shortens stack life and voids warranty cover — which is why professional rooms keep a dedicated RO supply on site.
The 7-stage separation train removes entrained moisture and electrolyte carry-over from the gas stream after the membrane, so hydrogen leaves the machine dry. Dry gas means no liquid is drawn back through the delivery path, the internal water loop stays clean, and the membrane is not exposed to contaminants recirculating through the system during long duty cycles.
They are separate machines used in sequence, not a single unit switching modes. A common professional pattern is a 20–40 minute hydrogen bathing session — also referred to as hydrogen immersion — followed by an inhalation session in the same appointment slot, so each system runs independently and neither becomes a bottleneck during turnaround.
HERO Inhaler 900 and 1200 suit single-room practices, HERO Inhaler 1500 and 1800 suit busier rooms or two users on a dual cannula, and HERO Inhaler Pro 3000 is specified where two to three concurrent users or all-day back-to-back sessions are normal. Purity and PEM technology are identical across the range — flow rate is what changes.
Practitioner rooms keep a dedicated RO or distilled water supply on site, with resistivity greater than 2 MΩ·cm, so nothing is deposited on the PEM membrane. The HERO Purity 200-110 RO system removes the distilled-water routine, and on the gas side every system is independently verified at 99.991% certified hydrogen purity.
Inhalation and bath run as separate machines used in sequence, not one unit switching modes. A common professional pattern is a 20–40 minute hydrogen bath session followed by an inhalation session in the same appointment slot, so neither system becomes a bottleneck during turnaround and both draw on the same RO-pure water standard.
PEM/SPE electrolysis stacks are fed water directly, so whatever is dissolved in that water ends up at the membrane. RO-pure or distilled water (resistivity greater than 2 MΩ·cm) carries no minerals to deposit, which is what keeps output stable across back-to-back client sessions. Mains or filtered tap water leaves scale on the membrane, reduces output stability and voids warranty cover.
Dissolved minerals and ions foul the catalyst-coated membrane surface, progressively blocking active area. The practical result is contamination-driven output drift: the same flow setting delivers less hydrogen over time, cell voltage rises, and the stack runs hotter. Feeding only RO-pure water avoids that mechanism entirely and is the single largest factor in system lifespan.
On the feedwater side: RO-pure or distilled water above 2 MΩ·cm resistivity, refilled from a labelled container, with the reservoir drained before extended shutdowns. On the gas side: every system is independently verified at 99.991% certified hydrogen purity, with 7-stage separation delivering dry hydrogen so no moisture or electrolyte carry-over returns through the delivery path.
Unlike most hydrogen device makers who self-report a purity number, every HERO unit's output is verified by an independent third-party laboratory (QTT Report LH2025050017/18). This is a checkable, named report — not just an internal claim.
Delivered to six continents. Not one unit returned.
Every order tracked and insured door-to-door. Duties prepaid where supported. No surprises at customs.
Side-by-side flow rates, H₂ output, purity, weight and price for every machine in the range.
Open the comparison table
Not a claim. An experience — described consistently by people who bathe in hydrogen-rich water and can't go back to ordinary bathing.
Warm water. Fine bubbles. No screens. HERO Bath creates an environment the body responds to — a sense of release that a regular bath doesn't produce. You notice it by the time you get out.
Consistent users describe waking up lighter. Not rested in a vague sense — clearer. The kind of morning that makes the hour before bed feel worth protecting.
Most wellbeing routines require discipline. A hydrogen bath is 20–40 minutes of warm water and nothing else. The machine does the work. You show up.

The stillness of switching off.
There's something different about a daily practice backed by serious hardware. HERO Bath is built to ISO 13485 manufacturing standards and finished to live in a premium bathroom. Using it feels like it.
No appointment. No commute. No waiting. Your bathroom, your machine, your time — every evening if you want it.
CE · FCC · RoHS · ISO 9001 · ISO 13485. Titanium-platinum cell. 3,750 ml/min. When the hardware is this well-built and this well-documented, you stop thinking about it and start enjoying it.
Warm water, a quiet room, and twenty unhurried minutes — the standard you set for your own wellbeing.
HERO Bath is a dedicated hydrogen bathing system. Because it saturates water volume rather than connecting to a fixed fitting, the same unit serves a home bathtub, an outdoor hot tub, a jacuzzi, a spa treatment suite, a tiled wet room or a clinic wellness room — with the same operating procedure in each.
The standard case. HERO Bath sits beside the tub you already have and turns an ordinary soak into a hydrogen bathing session.
Outdoor hot tubs hold more water, so the same unit simply runs a longer saturation window before the session begins.
Jetted tubs work well for hydrogen bathing — also referred to as hydrogen immersion — provided the jets are handled in the right order.
In a commercial spa suite, one HERO Bath is specified per treatment bath and folds into the existing booking rhythm — no suite rebuild, no fixed plumbing tie-in.
Wet rooms and tiled hydrotherapy areas are fully compatible: the unit stays outside the splash zone while only the diffuser hose enters the tub.
Clinic and studio wellness rooms use HERO Bath as a quiet, low-supervision full-body modality alongside their existing services.
HERO Bath is a general wellness device. Certification and engineering references describe hardware and manufacturing standards, not medical or therapeutic status.


Independent purity certificate on file for every production batch.
PEM/SPE separation delivers clean H₂ — no harmful byproducts in the output stream.
Solid-polymer electrolyte membrane rated for 10,000 hours of continuous duty.
CE, FCC, RoHS and ISO 9001 documentation available on request.
Direct-from-manufacturer cover on the electrolysis stack and electronics.
From the day your machine arrives — no restocking fee, no questions asked.
Certification and engineering claims describe hardware and manufacturing quality, not medical or therapeutic status.
Hydrogen works best as a protocol, not a single device. These are the pairings real customers order together — bundled with a discount on every add-on.
The hydrogen bottle keeps oral hydration in sync with bathing.
Pair your bath system with the HERO Inhaler 1200 inhaler — the most requested combination among Hydrogen Machines repeat customers. Full transdermal + inhalation + oral coverage.
Bath system paired with hydrogen goggles — the entry stack for spa operators offering hydrogen therapy rooms.
Bundle discounts apply to add-on items only. Items remain individually shippable and warranted under the standard 24-month warranty. Adjust quantities in your cart at any time.
Side-by-side comparisons across this range and against the products buyers most often consider alongside it.
Most certified hydrogen bathing system — home, hot tub, spa suite and wellness room use.
Use the Hydrogen Machine Selector for a personal recommendation report, or compare every machine side-by-side.
HERO's RO-purified water replaces distilled water for your bath system and provides hydrogenated water for daily hydration. It is the purity anchor for all hydrogen equipment: correct feedwater keeps the diffuser free of scale, reduces maintenance issues, and supports long-term bath system performance.
Most bath deployments step up to a bundle rather than a single machine. Upgrade to the Spa Bundle to pair the HERO Bath with the HERO Purity 200-110 purity anchor, the Resort Bundle to add HERO Inhaler Pro inhalation across a wellness floor, or the Clinic Bundle for HERO Inhaler Pro, HERO Bath and HERO specified together as one treatment-room deployment.
Pairs correctly with the HERO Purity 200-110 for RO-pure feedwater, the Nano-Bubble Hydrogenation Rod for basins and foot baths, the QY01 Hydrogen Water Bottle for hydrogen-rich drinking water between sessions, and the HERO RO Filter Set to keep that feedwater standard year after year.
Pairs with the bath routine: RO-pure feedwater from the HERO Purity 200-110, the Nano-Bubble Hydrogenation Rod for basins and buckets, and the QY01 bottle for hydrogen-rich drinking water between sessions.

Portable 300ml bottle that generates up to 5,000 ppb hydrogen-rich water on a wireless charge.

316 stainless steel diffuser that breaks hydrogen gas into nano-bubbles for ultra-high dissolution in water.
PP, CTO, and RO cartridge set for HERO Purity 200-110 and HERO RO Dual 10 — the same three-stage filtration core used in both machines. Priced to stay simple and affordable, not as a profit item. Subscribe for automatic delivery every 6 months.
HERO Bath — free tracked worldwide delivery, 24-month warranty, and a 90-day money-back guarantee from the day it arrives.
Built on engineering, education and a growing global presence.
Hydrogen Machines has been online since 2022 and continues to expand its educational resources, product range and international reach.
Google first indexed the website in September 2022.
A continually expanding library of educational articles, buying guides and FAQs designed to help customers make informed decisions.
Machine selectors, buying guides and comparison tools help visitors identify the most suitable hydrogen system for their intended use.
Products are supplied internationally with support for customers across multiple regions.
Hydrogen Machines offers products supported by recognised manufacturing and product certifications where applicable.
Learning Hub, Comparison Centre, Buying Guides and interactive tools are designed to help customers understand products before purchasing.
HydrogenMachines™ systems are built using evidence‑informed engineering, natural materials, and transparent construction. Independent laboratory testing confirms gas purity and composition.