When you compare a Hydrogen Water Bottle, you'll see concentration claims written as 800 PPB, 2,000 PPB or 2 PPM. These figures can look impressive, but they're not helpful unless you know what they measure.
"Is 2,000 PPB more than 2 PPM?"
PPM and PPB describe the concentration of dissolved molecular hydrogen in water. They don't measure the bottle's size, water purity, pH or mineral content, and they don't prove that a product will deliver specific health results.
This guide explains PPM and PPB in simple language, shows you how to compare the numbers correctly, and covers the other features Indian buyers should check before choosing a Hydrogen Bottle.
⚡ Quick answer
- 1 PPM = 1,000 PPB ≈ 1 mg/L. So 2,000 PPB and 2 PPM are the same.
- Convert to one unit before comparing listings.
- Total hydrogen = concentration × water volume.
- pH, ORP and TDS are not measures of hydrogen.
What Does PPM Mean in a Hydrogen Water Bottle?
PPM means parts per million. It describes a small concentration of one substance within another.
For dilute water solutions, 1 PPM of dissolved molecular hydrogen is approximately 1 milligram of hydrogen per litre of water.
1 PPM ≈ 1 mg/L. If a bottle produces water at 1 PPM, one litre of that water contains about one milligram of molecular hydrogen at the time of measurement.
PPM shows concentration, not the total hydrogen inside a particular bottle. You also need the bottle's water capacity. The Molecular Hydrogen Institute notes that both concentration and volume are needed to calculate the total amount of dissolved hydrogen.
What Does PPB Mean?
PPB means parts per billion. It measures a smaller concentration than PPM.
- 1 PPM = 1,000 PPB
- 1,000 PPB ≈ 1 mg/L
- 500 PPB ≈ 0.5 mg/L
- 2,000 PPB ≈ 2 mg/L
2,000 PPB
Bigger-looking number.
2 PPM
Exactly the same concentration, just a different unit.
PPB produces a larger number than PPM, but that doesn't mean the water contains more hydrogen. Convert both claims into the same unit before comparing products.
PPM vs PPB Comparison
| PPB | PPM | Approx. mg/L |
|---|---|---|
| 500 PPB | 0.5 PPM | 0.5 mg/L |
| 800 PPB | 0.8 PPM | 0.8 mg/L |
| 1,000 PPB | 1 PPM | 1 mg/L |
| 1,600 PPB | 1.6 PPM | 1.6 mg/L |
| 2,000 PPB | 2 PPM | 2 mg/L |
These conversions are approximate for dilute water solutions. They help you compare Hydrogen Water Bottle options in India when sellers present concentration in different units. For what the numbers mean in practice, see Hydrogen Water Bottle PPB Explained.
Concentration Is Not the Same as Total Hydrogen
A common buying mistake is assuming PPM alone tells you how much hydrogen you'll drink. Concentration tells you how much hydrogen is in each litre. The total also depends on how much water there is.
Worked example: a 460 ml bottle at 2 mg/L
2 mg/L × 0.46 L = 0.92 mg
The full 460 ml bottle would contain about 0.92 milligrams of dissolved hydrogen at the time of measurement.
Assumption check: this assumes the stated concentration is accurate and unchanged. In real use, the level can be affected by the water, temperature, testing method and the time between generating and drinking.
Does a Higher PPM Always Mean a Better Bottle?
Not necessarily. Under the same conditions, a higher verified concentration does mean more hydrogen per litre. But the largest advertised number doesn't automatically identify the Best Hydrogen Water Bottle. Ask:
- Was it independently measured?
- Was it measured right after the cycle?
- What water was used during testing?
- What was the water temperature?
- Was the bottle sealed during measurement?
- Does the company explain its testing method?
- Is the claim for one cycle or several?
No single "best" PPM
Research doesn't establish one PPM level that's best for every person or purpose. Studies have used different concentrations, volumes, durations and participant groups. One controlled exercise study, for example, used hydrogen-rich water at 1.9 PPM (available through the US National Library of Medicine). That describes the water in that study. It doesn't make 1.9 PPM the ideal level for every buyer.
Not medical advice. Hydrogen water is an active area of research, not a medicine or a replacement for medical care. Speak with a qualified healthcare professional if you have a medical condition or questions about your wellness routine.
Why Can the Hydrogen Reading Change?
Molecular hydrogen is a very small gas molecule. Once hydrogen-rich water is exposed to air, dissolved hydrogen can gradually escape. The final reading may be influenced by:
- Time after the cycle
- Whether the container stays sealed
- Water temperature
- Bottle pressure and construction
- Water composition
- Measurement equipment
- Calibration and testing procedure
A 2019 study (available through PubMed Central) reported that hydrogen concentration declined over time, even when researchers were trying to maintain hydrogen-rich water. That's why the timing of a reading matters.
For everyday use, follow the manufacturer's instructions and drink freshly prepared hydrogen water promptly rather than leaving it uncovered.
PPM Is Different From pH, ORP and TDS
These measurements often get mixed together in product listings, but they describe different properties.
PPM / PPB
The concentration of dissolved molecular hydrogen, when the test is designed specifically for hydrogen.
pH
How acidic or alkaline the water is. A higher pH doesn't prove a higher hydrogen concentration.
ORP
Oxidation reduction potential, in millivolts. Negative ORP can occur in hydrogen water, but it isn't a direct, reliable measure of dissolved hydrogen.
TDS
Total dissolved solids, such as minerals and salts. It tells you nothing about molecular hydrogen. More in our RO water guide.
When comparing bottles, look for a direct dissolved hydrogen measurement rather than using pH, ORP or TDS as a substitute.
How Does a Hydrogen Bottle Produce Hydrogen-Rich Water?
Many portable bottles use electrolysis: an electric current passes through water to produce hydrogen and oxygen, and the bottle dissolves the molecular hydrogen into your drinking water.
In an SPE/PEM system (solid polymer electrolyte and proton exchange membrane), the membrane is designed to separate the generated gases and help introduce hydrogen into the drinking chamber. The quality of this system matters because a concentration claim alone doesn't explain how the water was produced.
Learn more in our guide to the science behind hydrogen water.
Understanding the Eavaro Hydrogen Reading
Eavaro's product specifications currently list a dissolved hydrogen concentration of up to 2,000 PPB after the three-minute cycle. Actual readings may vary with the water, temperature, measurement method and testing time.
2,000 PPB = 2 PPM ≈ 2 mg/L
| Eavaro specification | Current listing |
|---|---|
| Hydrogen concentration | Up to 2,000 PPB (2 PPM) |
| Body | 460 ml borosilicate glass |
| Technology | SPE/PEM electrolysis |
| Electrolytic structure | 4 layers |
| Generation cycle | 3 minutes |
| Battery | Rechargeable lithium-ion |
| Warranty | 1 year |
The instructions say to fill the bottle with drinkable water, run the three-minute cycle and drink the hydrogen-enriched water promptly afterwards. Product details may change, so check the live page before ordering.
Up to 2 PPM in 3 minutes: the EAVARO bottle
SPE/PEM technology, a 4-layer electrolytic structure, a 460 ml borosilicate glass body and a 1-year warranty.
₹4,999incl. taxesView the bottle →
How to Compare Price and Value
The Hydrogen Water Bottle price should be weighed against its technology, capacity, warranty and support. A cheaper bottle isn't better value if the seller doesn't explain how it works or offer clear after-sales help. When comparing options in India, review:
- Stated hydrogen concentration
- Whether it uses PPM or PPB
- Cycle duration for the claim
- SPE/PEM technology
- Bottle capacity
- Body material
- Battery and charging method
- Cleaning instructions
- Warranty coverage
- Customer support
- Product reports or documents
- Returns and replacement terms
Eavaro lists the live price on its product page. Checking it there is more reliable than an older article, since discounts and availability change. For help before buying, message us on WhatsApp.
You can also view the Limited Wellness Drop for current availability and offers.
How to Use a Hydrogen Water Bottle Correctly
Instructions vary by manufacturer, so read the manual first. For the Eavaro bottle:
- Step 1Fill it with drinkable water
- Step 2Secure the bottle as directed
- Step 3 · 3 minutesPress the button to start the cycleH₂
- Step 4Wait until the cycle finishes and the bottle shuts down
- Step 5Drink it promptlyBest
Plain water only. Avoid juice, milk, tea or flavoured drinks unless the manufacturer explicitly allows them. Use potable water and follow the cleaning instructions supplied with the bottle.
Myth vs Fact
Frequently Asked Questions
Is 2,000 PPB the same as 2 PPM?
Yes. One PPM equals 1,000 PPB, so 2,000 PPB equals 2 PPM. For a dilute water solution, that's roughly 2 milligrams of dissolved hydrogen per litre.
What PPM should a Hydrogen Water Bottle produce?
There's no universally established PPM level that's best for every user. Compare verified concentration, bottle volume, test conditions, generation time, technology and build quality rather than relying on one number.
Does a higher PPB make it the Best Hydrogen Water Bottle?
Not by itself. A higher verified concentration is one consideration, but the best bottle should also offer transparent specifications, suitable technology, documented materials, practical capacity, warranty coverage and accessible customer support.
Why should hydrogen water be consumed promptly?
Dissolved molecular hydrogen can escape once the water is exposed to air. Drinking it promptly reduces the time for the concentration to fall.
How should I compare Hydrogen Water Bottle price in India?
Compare the current price with the bottle's hydrogen concentration, capacity, SPE/PEM system, cycle time, materials, warranty and support. Check whether the concentration was measured under clearly explained conditions.
Conclusion: Convert, Then Compare
PPM and PPB are easy once you know the conversion. One PPM equals 1,000 PPB, and for dilute water solutions one PPM is roughly one milligram per litre.
When buying a Hydrogen Water Bottle, don't choose just because one listing shows a bigger number. Convert the units, check the capacity, review the generation cycle and look for clear information about testing conditions. Technology, materials, warranty and after-sales support matter too. The Eavaro bottle combines a 460 ml borosilicate glass body with SPE/PEM technology, a rechargeable battery and a three-minute cycle, with a listed concentration of up to 2,000 PPB.
See the full spec sheet
Review the latest specifications, price and availability of the EAVARO Hydrogen Water Bottle before you order.
RJ Jariyal — Founder, EAVARO
RJ Jariyal is the founder of EAVARO, an Indian wellness brand making portable hydrogen water bottles with SPE/PEM technology and borosilicate glass. He writes EAVARO's guides to help Indian buyers see past inflated MRPs and miracle claims, and checks every health statement against published research before it goes live.