PIURIFY vs Ocemida Nexis: Lab Results, Value, Warranty
Expert reviewed
Dr. Bill McGraw, PhD
Written by the PIURIFY Hydration Team·Published October 30, 2026·Updated October 30, 2026·8 min read
We make PIURIFY, so read this PIURIFY vs Ocemida comparison with that in mind. The Ocemida Nexis is one of the strongest bottles in this category and we are not going to pretend otherwise. Here is where it wins, and where a PIURIFY bottle is the better buy.
1,000 PPB of dissolved molecular hydrogen equals 1.0 PPM, which equals 1.0 mg of H2 per liter of water. The range cited across clinical studies is roughly 0.8 to 1.6 PPM (800 to 1,600 PPB). Both brands publish H2 Analytics reports, so this one comes down to price, capacity and how you actually use the bottle.
Quick verdict: PIURIFY vs Ocemida Nexis
The Ocemida Nexis reaches 8,740 PPB in 10 minutes, the strongest 10-minute result in this comparison, at $199. PIURIFY costs $19 to $69 less, offers a 17 oz bottle with more hydrogen per fill on longer cycles, and leads on lab-reported hydrogen per dollar on its longest cycles.
Pick the PIURIFY 10oz if you want a lab-tested bottle with a lifetime limited warranty for less: $129.99, in stock, ready to ship.
Pick the PIURIFY 17oz if you drink more water at a time: 17 oz against 9.5 oz, and up to 4.98 mg per fill. It is sold out right now.
Pick the PIURIFY Flask if you want a 12 oz BPA-free bottle for $19 less: 8,630 PPB on its 20-minute program and 3.02 mg per fill. It is sold out right now.
Pick the Ocemida Nexis if you want the highest concentration from one 10-minute cycle and a metal housing, and a 9.5 oz fill is enough.
PIURIFY vs Ocemida Nexis, side by side
| Spec | PIURIFY 10oz | PIURIFY 17oz | Ocemida Nexis |
|---|---|---|---|
| Price | $129.99 | $151.00 | $199 |
| Capacity | 10 oz (280 ml) | 17 oz (500 ml) | 9.5 oz (280 ml) |
| 10-min output | 4,090 PPB | 4,240 PPB | 8,740 PPB |
| Longest tested | 6,300 PPB (three 10-min cycles) | 9,970 PPB (two 20-min cycles) | 8,740 PPB (10 min) |
| Lab reports | H2 Analytics | H2 Analytics | H2 Analytics + H2HUBB |
| Body | Food-grade polycarbonate | Food-grade polycarbonate | Metal housing, Tritan bottle |
| Warranty | Lifetime limited, covers manufacturing defects | Lifetime limited, covers manufacturing defects | Lifetime limited; battery and accessories 2 years |
| Returns | 60 days, prepaid label; shipping fee deducted, 15% fee if opened | 60 days, prepaid label; shipping fee deducted, 15% fee if opened | 60 days; you pay shipping, 10% fee if opened |
| Availability | In stock | Sold out | Listed as Black Friday presale, in stock |
Prices and specs verified October 30, 2026.
The full PIURIFY lineup
| Bottle | Capacity | Lab-measured output | Price |
|---|---|---|---|
| PIURIFY 10oz | 10 oz (280 ml) | 4,090 PPB (10 min); 6,300 PPB (three 10-min cycles) | $129.99, in stock |
| PIURIFY Flask | 12 oz (350 ml) | 4,860 PPB (10 min); 8,630 PPB (20 min) | $179.99, sold out |
| PIURIFY 17oz | 17 oz (500 ml) | 4,240 PPB (10 min); 6,290 PPB (20 min); 9,970 PPB (two 20-min cycles) | $151.00, sold out |
Prices and specs verified October 30, 2026.
Hydrogen output: PIURIFY vs Ocemida Nexis lab results
Ocemida wins the 10-minute cycle, by a lot. H2 Analytics report H2AR-260616-1 lists 4,520 PPB at 5 minutes and 8,740 PPB at 10 minutes in a 250 ml test fill. A second report from H2HUBB, using a different method and a 270 ml fill, lists 5,400 PPB and 7,700 PPB. Two labs both putting it well above our 10-minute figures is a strong result, and we would rather you heard that from us.
One caution on the headline: Ocemida’s page also mentions a 10,000 PPB maximum at 15 minutes. We did not find that figure in either report, so we use the tested numbers here.
PIURIFY wins on total hydrogen when you use a bigger bottle or a longer cycle. A 9.5 oz bottle carries less water, so a lower concentration in a larger fill can still deliver more:
| Bottle and cycle | Concentration | Fill | Hydrogen per fill |
|---|---|---|---|
| PIURIFY 10oz, 10 min | 4,090 PPB | 280 ml | 1.15 mg |
| PIURIFY Flask, 10 min | 4,860 PPB | 350 ml | 1.70 mg |
| PIURIFY 17oz, 10 min | 4,240 PPB | 500 ml | 2.12 mg |
| Ocemida Nexis, 10 min | 8,740 PPB | 250 ml | 2.40 mg (per its report) |
| PIURIFY Flask, 20 min | 8,630 PPB | 350 ml | 3.02 mg |
| PIURIFY 17oz, 20 min | 6,290 PPB | 500 ml | 3.14 mg |
| PIURIFY 17oz, two 20-min cycles | 9,970 PPB | 500 ml | 4.98 mg |
Prices and specs verified October 30, 2026.
When you open any hydrogen lab report, check five things: the lab's name, the report number, the model tested, the fill volume, and the cycle length behind each number. Those five lines tell you far more than a headline on a product page. Our hydrogen water bottle buying guide goes deeper.
Lab-tested, $69 less
PIURIFY 10oz Bottle
4,090 PPB (10-min cycle) · 6,300 PPB (three 10-min cycles)
$129.99
- Lifetime limited warranty on manufacturing defects
- 60 days to return it, with a prepaid return label
- Free US shipping · Ships within 24 hours from our US warehouse
Ocemida Nexis price vs PIURIFY PPB per dollar
There are two fair ways to read value here, and they give different winners:
| Bottle | Price | PPB per $, 10 min | PPB per $, longest |
|---|---|---|---|
| PIURIFY 17oz | $151.00 | 28 | 66 |
| PIURIFY 10oz | $129.99 | 31 | 48 |
| PIURIFY Flask | $179.99 | 27 | 48 |
| Ocemida Nexis | $199 | 44 | 44 |
Prices and specs verified October 30, 2026.
If you press the button once and drink, the Nexis is the better value on concentration. If you run longer cycles at home, or you simply want to spend less, PIURIFY comes out ahead. Our bottles also leave $19 to $69 in your pocket on day one, whichever way you use them.
Warranty and returns: PIURIFY vs Ocemida
Ocemida is one of the few brands that also offers a lifetime limited warranty, and that deserves credit. The warranty page is worth reading in full:
| Terms | PIURIFY | Ocemida |
|---|---|---|
| Device warranty | Lifetime limited on manufacturing defects | Lifetime limited, registered devices |
| Battery and charging | No shorter term stated | 2 years |
| Bottle, cap and seals | No shorter term stated | 2 years |
| Registration | One-minute online form | Automatic for ocemida.com orders |
| Return window | 60 days | 60 days |
| Return shipping | Prepaid label provided, fee deducted | Customer arranges and pays |
| Opened items | 15% recertification fee | 10% fee |
Prices and specs verified October 30, 2026.
Our fee on opened items is higher than Ocemida’s, and its registration is simpler. Our warranty page sets no separate, shorter term for the battery or the bottle. Both brands exclude normal wear.
Where the Ocemida Nexis genuinely wins
- 10-minute concentration. 8,740 PPB in its H2 Analytics report, well above our 10-minute figures of 4,090 to 4,860 PPB.
- Two labs. H2 Analytics plus H2HUBB, and a PFAS report from Eurofins.
- Metal housing. Our bottles have plastic bodies.
- Lower fee on opened returns: 10% against our 15%.
- 10-minute value: 44 PPB per dollar, against 27 to 31.
What PIURIFY does better than Ocemida
- Lower price: $129.99, $151.00 and $179.99, against $199.
- More water: 12 oz (350 ml) on the Flask and 17 oz (500 ml) on the handle bottle, against 9.5 oz.
- More hydrogen per fill on longer cycles: 3.02 mg on the Flask’s 20-minute program, 3.14 mg on the 17oz’s, and 4.98 mg after two 20-minute cycles on the 17oz, against 2.40 mg.
- The highest lab-reported figure in this comparison: 9,970 PPB after two 20-minute cycles (40 min).
- A simpler warranty: no separate 2-year limit on the battery or accessories in our terms.
- A prepaid return label sent to you, so you are not arranging your own shipment.
PIURIFY or Ocemida: which should you buy?
Choose the PIURIFY 10oz if: you want the lowest PIURIFY price, a bottle that fits a bag pocket, and a Hydrogenator Bottle that ships within 24 hours.
Choose the PIURIFY Flask if: you want our highest result from a single program, 8,630 PPB in 20 minutes, in a 12 oz BPA-free bottle that runs about 20 cycles per charge. It is sold out right now, so join the restock list on its page.
Choose the PIURIFY 17oz if: you drink more than a small bottle at a time and want the most hydrogen per fill. It is sold out right now, so join the restock list on its page.
Choose the Ocemida Nexis if: you mostly run one 10-minute cycle and drink it straight away, a 9.5 oz fill is enough, and you are happy paying more for the highest concentration.
For the wider field, see Best Hydrogen Water Bottles 2026.
All three PIURIFY bottles, all lab-tested
Same technology, same warranty, same return window. Pick by how much water you drink and how long you want to wait for a cycle.
PIURIFY 10oz Bottle
The portable pick
- 4,090 PPB after its 10-minute cycle
- 6,300 PPB after three 10-minute cycles (30 min)
- 10 oz (280 ml), ships within 24 hours
$129.99
PIURIFY Flask
The one-cycle pick · sold out
- 4,860 PPB on its 10-minute program
- 8,630 PPB on its 20-minute program
- 12 oz (350 ml), BPA-free, 5,000 mAh, about 20 cycles per charge
$179.99
PIURIFY 17oz Bottle
The high-output pick · sold out
- 4,240 PPB on its 10-minute program
- 6,290 PPB on its 20-minute program
- 9,970 PPB after two 20-minute cycles (40 min)
- 17 oz (500 ml), carry handle
$151.00
All three include
- Lifetime limited warranty on manufacturing defects
- 60 days to return it, with a prepaid return label
- Free US shipping
Return terms: the prepaid label's shipping fee is deducted from your refund, and opened or used items carry a 15% recertification fee.
View the H2 Analytics lab report for the 10oz bottle (PDF)View the H2 Analytics lab report for the 17oz bottle (PDF)
View the H2 Analytics lab report for the Flask (PDF)
PIURIFY vs Ocemida: frequently asked questions
Is Ocemida better than PIURIFY?
On 10-minute concentration, yes: the Nexis lists 8,740 PPB against 4,090 to 4,860 PPB. PIURIFY costs less, offers a larger 17 oz bottle, and delivers more hydrogen per fill on the 17oz’s longer cycles.
Does the Ocemida Nexis really reach 10,000 PPB?
Its reports list 8,740 PPB (H2 Analytics) and 7,700 PPB (H2HUBB) at 10 minutes. Its page also mentions 10,000 PPB at 15 minutes. We did not find that figure in either report as of October 30, 2026.
Does Ocemida have a lifetime warranty?
Its warranty page lists lifetime coverage for registered devices, with 2 years on the battery, charging system and accessories, and 2 years for unregistered devices. Orders on ocemida.com are registered automatically, according to that page.
Which is better value, the Nexis or a PIURIFY bottle?
It depends on how you use it. On a single 10-minute cycle, the Nexis leads at 44 PPB per dollar. On each bottle’s longest tested cycle, the PIURIFY 17oz leads at 66 PPB per dollar, and the PIURIFY 10oz and Flask reach 48.
What does the Ocemida presale mean?
The Nexis was listed as a v3 Black Friday presale on October 30, 2026, while the same page showed it in stock. Ask Ocemida how the presale affects shipping and returns before you order.
How do PIURIFY returns compare with Ocemida’s?
Both give you 60 days. PIURIFY provides a prepaid label, deducts the shipping fee from your refund and charges 15% on opened items. Ocemida has you pay return shipping and charges 10% on opened devices.
Keep reading
PIURIFY hydrogen figures are measured by H2 Analytics (Henderson, NV), a third-party lab, using static headspace gas chromatography. Piurify requested and paid for its tests. Reports H2AR-240821-1 (10oz Bottle), H2AR-251025-1 (17oz Bottle with Handle) and H2AR-250918-1 (Flask), signed by Randy Sharpe, Director of Testing. Hydrogen per fill is concentration multiplied by fill volume. Ocemida figures from H2 Analytics report H2AR-260616-1, the H2HUBB report dated January 19, 2026, and the Ocemida product, warranty and return pages, read October 30, 2026.
This article is for general information and is not medical advice. Statements have not been evaluated by the FDA. These products are not intended to diagnose, treat, cure or prevent any disease.
