Interactive User Guide
Everything you need for first use, safe daily operation, and cleaning. Try the live bottle, then jump to any section below.
Live cycle demo
Try the power button
Tap once to choose a 5 minute cycle. Tap again within 3 seconds to switch to 10 minutes. It starts on its own, then press and hold to stop.
Tap the power button to begin.
Get to know your device
Your hydrogen water bottle
A quick tour of the three views. The labelled details below prevent the two most common mix ups: a covered pressure valve, and normal venting at the base.
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Front view
- Membrane plug. Keeps the PEM membrane moist. Unscrew it before first use.
- Bottled water adapter. Evian type, for use with bottled water.
- Display and power button. Shows the timer and selects a 5 or 10 minute cycle.
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Bottom view
- Anti-slip rubber base. Keeps the unit steady while it runs.
- Oxygen and ozone vent. The device vents here during a cycle.
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Bottle cap
- Pressure release valve. The small hole inside the cap.
- Keep water below this hole. Water must never cover it.
First time use
Initial membrane activation
The PEM membrane ships moist and should stay moist. Keep the plug for travel or long storage. This activation only needs to be done once.
Setup checklist
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1 hour vinegar soak timer
Do not turn on the device during vinegar or cleaning solution soaking.
Daily operation
Operate safely
- Fill with purified, RO, or distilled water to the max line or lower.
- Close the cap and confirm the water does not cover the inside cap hole.
- Press the power button once to select a 5 minute cycle. Within the first 3 seconds, tap again to switch between 5 and 10 minutes. When you stop choosing, the cycle starts automatically. To stop early, press and hold for 2 seconds.
- For a stronger result, run 10 minutes, open the cap to release pressure, then run 5 more minutes.
Cycle selector
Choose a cycle to see the independently measured hydrogen concentration.
Good daily quick cycle. H2HUBB measured about 5.4 mg/L at 5 minutes.
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Fill to the MAX line or below
Fill with water to below the MAX line, about 280 ml or 1.2 cups. Lower is better, and it does not affect the hydrogen concentration. The water must never cover the small hole inside the cap.
Tip: cold water holds more hydrogen, but do not put the device in the fridge. Use cold water in the bottle, or pour the finished water over ice in a glass.
Quick reference
Four things that protect your device
Purified, reverse osmosis, or distilled water helps protect the membrane.
Fill to the max line or lower, about 280 ml. The inside cap hole must stay above the water.
Avoid fast chargers, computer USB ports, and public charging stations.
No dishwasher. Do not submerge the generator or wash the membrane with soap.
Regular maintenance
Keep the generator clean without damaging the membrane
Soap or harsh agents can damage the membrane. Use only pure water or white vinegar on the membrane.
- Use a cotton swab or cotton pad on the threads. Do not brush or scrape the electrodes or the membrane.
- Use a small spoon to lift out the seals at the generator or cap for cleaning and replacement.
- If you notice mold or an odor, clean the container and cap with soap, then disinfect the membrane with white vinegar or Ocemida cleaning solution.
Maintenance schedule
Rinse all parts with warm water after use.
Use white vinegar or Ocemida cleaning solution. Do not power on during soaking.
Tap the cap on a towel with holes facing down to remove trapped water.
Use the membrane plug to keep the membrane moist and protected.
Remove the membrane plug. Add about 100 ml, or 3 oz, of cleaning solution or white distilled vinegar. Let it sit for 30 minutes, then rinse with warm water. Do not power on the device during soaking.
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Check the seals now and then
Seals can deform over time. Lift them out gently with a small spoon, rinse, and inspect the silicone gasket for damage or twisting. A worn or twisted seal is one of the most common causes of a leak, so replacing it early keeps the bottle sealed and pressure tight.
Self help
Troubleshooting helper
A quick manual based self check for common issues. For the full guided workflow, open the official interactive troubleshooter.
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Frequently asked questions
Quick manual FAQ
The most common questions from the printed guide. For the comprehensive interactive FAQ, use the official Ocemida FAQ page.
Did you know
A couple of fun extras
Cold brew
Some people notice a nicer taste when they make cold brew coffee with hydrogen water. Worth a try.
Space age hydration
Researchers have explored hydrogen water as a possible source of hydration and antioxidant support for astronauts on long missions.
Hydrogen water is a wellness supplement and is not intended to diagnose, treat, cure, or prevent any disease. Always consult your physician or health care professional before use if you have a medical condition.
Need help?
Contact Ocemida support
For leaks, charging codes, or visible damage, stop using the device and send a short video or a photo from above. This helps support diagnose the issue faster.
Water level and pressure valve
The water must not cover the small hole inside the cap, because that is where the pressure release valve sits. Fill below the max line, about 280 ml or 1.2 cups. After washing the cap, tap it on a towel with the holes facing down to remove trapped water.