Flagship · inhalation + water · 600 mL/min

VH600

One machine.
Both routes.

Six hundred millilitres of hydrogen a minute for breathing, a pitcher and a half of hydrogen water for drinking, and sessions that run all night. It's the most machine we sell, so we sell it after a conversation.

$6,800$4,997

Current price · payment plans at checkout · sold after a free call

Book the free call →Email us instead

2-year warranty
99.999% purity · SGS certified
A HydroSpark comes with it
One filter every 6 months

Why a call first

It's $4,997.

That's a decision, not a cart. Twenty minutes with someone who uses the machine beats four thousand words on a page.

It's the wrong machine for most people.

For one person doing daily sessions, the Pulse does the job at a third of the price. If that's you, we'll tell you on the call, and we won't call back to change your mind.

It isn't returnable.

Inhalation devices can't come back once shipped, so the conversation happens before the sale instead of a return window after it. The policy →

600 mL/min

Hydrogen flow

Four times the Pulse. Roughly 54 milligrams of hydrogen gas a minute at the outlet.

99.999%

Purity, SGS certified

A DuPont proton-exchange membrane with titanium plates, tested by an outside lab.

1.5 L

A pitcher of water

1.0–1.6 mg/L in a two-minute mixing cycle. Repeat the cycle if you want it stronger.

2 h to 8 h

Sessions

Two hours by default. Up to eight if you want to sleep next to it.

§ 02 · Two cubes

Two cubes: one you breathe from, one you drink from.

The H-Cube is the hydrogen generator: a proton-exchange-membrane cell between titanium plates, fed distilled water, splitting it into hydrogen on one side and oxygen on the other. Six hundred millilitres of hydrogen a minute at 99.999% purity comes out of it, and a knob sends that hydrogen either to the cannula or across to the water.

The W-Cube is a 1.5-litre pitcher on a base that bubbles the hydrogen into whatever drinking water you fill it with, using a micro-bubble method that reaches 1.0–1.6 mg/L in a two-minute cycle. Run it again if you want it at the ceiling. Drink it within the half hour, like any hydrogen water.

Morning: make the day's water. Evening: switch the knob, put on the cannula, read. The HydroSpark in the box covers the hours in between, away from the machine.

The VH600's PEM electrolysis cell: a square plate with four fittings — Fig. 2a
PEM cell

A finger pressing the VH600's power button beside the indicator ring — Fig. 2b
Panel

A VH600 replacement filter — Fig. 2c
Filter

The VH600's 1.5-litre pitcher glowing blue on its base during a mixing cycle — Fig. 3 — The W-Cube mid-cycle.

§ 03 · Built for the long session

Two hours by default.
Eight if you want.

The reason to own this machine instead of the Pulse is the session you can run inside it. It's cooled for it, with a fan and an overheating indicator, and it watches itself: gas blocking, low water, tilt, abnormal power, abnormal fan, each with its own light.

Fifty-four milligrams of hydrogen a minute, all night, costs you a little distilled water and about two hundred watts. Made in Taiwan.

Fig. 4 — The VH600 on a desk, mid-session, in a supplier photograph graded to match.

§ 04 · Decoded

Every spec on the sheet, and what it means for you.

Including the one consumable.

600 millilitres of hydrogen a minute

The H-Cube is the generator. At 0.09 mg per millilitre that's about 54 mg of hydrogen gas a minute leaving the machine, which is the range clinical inhalation systems run at. How much you absorb still depends on your breathing and the length of the session.

99.999% purity, certified by SGS

SGS is an independent testing company. The certificate is the maker's; our own independent performance report on the VH600, from H2 Hubb, is linked at the bottom of this page.

Hydrogen water from the W-Cube

A 1.5-litre pitcher on its own base. A two-minute cycle dissolves 1.0–1.6 mg/L using the maker's micro-bubble method, and you can run the cycle again. The pitcher takes whatever drinking water you prefer; the generator does not.

Distilled water only, in the generator

The electrolysis cell needs water with nothing in it. The machine's indicators will tell you when it's low, when the gas path is blocked, and when the filter is due.

One knob, two routes

A switch directs the hydrogen to the cannula or to the water base. Breathe in the evening, make the day's water in the morning, from the same unit.

Two hours by default, up to eight

Long sessions are the reason people buy this machine instead of the Pulse. Set it and read, work or sleep; the timer ends the session for you.

A filter every six months

This is the one consumable in our line. Two filters are $189, shipping included, so one order covers a year.

Six indicators and two certifications

One light per fault, and a shutdown instead of a cook-off. CE and PSE certified. 190–200 W at 100–240 V, so it works anywhere.

An outside review

H2 Hubb's full review, on camera.

The same lab that ran our performance report filmed a full product review. Their footage, their opinions, uncut.

Fig. 5 — H2 Hubb's product review of the VH600. Not our footage.

One review.

Her words, copied from the store page as written.

★★★★★

“I was suffering from widespread eczema, urticaria, and allergies, so I decided to invest in this powerful antioxidant therapy for my health. After only about an hour of using my Ostara VH600 machine, I experienced immediate and dramatic reduction in symptoms I had been dealing with for years. While H2 therapy was not the complete solution for my condition, I see it as an incredibly valuable tool for anyone looking to optimize their body's natural healing abilities by creating a healthier internal environment.”

Jackie

Verified owner · June 2026

Who shouldn't buy this.

If you're new to hydrogen. Don't start here. The bottle is $177 and returnable; it will tell you whether the molecule does anything for you.
If one person will use it for an hour a day. The Pulse does that at a third of the price and without a filter to change.
If you have a serious medical condition and you're considering this as a replacement for treatment. Talk to your doctor.

Fig. 6 — The right fit, settled on a call.

Who this is for.

A household where more than one person wants sessions, or one person who wants long ones.
Someone who wants hydrogen water by the pitcher and hydrogen gas by the hour from the same spot on the counter.
Someone who has already proven to themselves that hydrogen earns its place, and wants the most of it we sell.

If that's you, the call is twenty minutes, and nobody on it is working from a script.

Policy

Not returnable.
Replaced if it arrives broken.

Inhalation devices can't come back once they've shipped: you breathe through them, and the category is regulated as medical equipment. If it arrives damaged or doesn't work, tell us within 7 days of delivery and we replace it free, shipping included. After that, the 2-year warranty covers electrical failures, internal defects and major malfunctions. The HydroSpark in the box carries its own 90-day guarantee and 13-month warranty. The full policy →

The report. An independent performance test on the VH600 was run by H2 Hubb. Read it here →

Questions people bring to the call.

+Why do I have to book a call before buying?

Because it's $4,997, because it isn't returnable, and because for a lot of people the right answer is the Pulse or the bottle. Twenty minutes with one of us settles which. If you'd rather not get on a call, email us and we'll answer in writing.

+How is this different from the Pulse?

Four times the hydrogen flow (600 vs 150 mL/min), a pitcher and a half of hydrogen water at a time instead of a wand in a glass, sessions up to eight hours instead of two, and a filter to change twice a year. It's also three times heavier. If one person wants daily sessions, the Pulse is the better pick. If a household wants both routes from one machine, this is.

+Does it really come with a HydroSpark?

Yes. Every VH600 ships with a HydroSpark bottle so you have hydrogen water away from the machine. It's the same bottle sold on its own page, with the same warranty.

+What does the filter cost over time?

$189 for a two-pack, shipping included, replaced every six months, so call it $189 a year, and it's on the page because you'd want to know before you buy.

+Is it loud? Does it get hot?

It has a fan, and a fan indicator if something's wrong with it. It's designed to run for hours next to a bed. The overheating indicator and automatic shutdown are there for the day something goes wrong, not for normal use.

+Can I return it?

No. Inhalation devices aren't returnable once shipped, which is the main reason the VH600 is sold after a conversation. The policy above says what is covered.

Twenty minutes,
then you decide.

Book the call. Bring your questions and your skepticism. If the right answer is a smaller machine, or no machine, that's what you'll hear.

Book the free call →Compare the three