“The cleaning button is only one part of the routine. Look after the glass you drink from, and keep the electronic base dry.”
Sam, Research Scientist at iBottle
If you’re wondering how to clean your hydrogen water bottle, start by separating two jobs: cleaning the bottle you drink from and running its built-in cleaning cycle.
For iBottle, rinse the glass section with warm water and use a soft sponge if needed. Keep the generator base and charging port out of the water. To start the built-in cleaning cycle, press the button three times quickly, let the five-minute cycle finish, then discard the water. Those instructions appear on page 2 of the current iBottle and iBottle+ manuals linked below.
You don’t need to make this complicated. You do need to treat the electronic base differently from the glass section. Here’s how I’d approach each part.
Editorial illustration for this care guide. The instructions below distinguish the glass section from the electronic base.
Routine cleaning and self-cleaning: the difference
A button press is not the same job as physically cleaning the drinking section. The manuals give separate instructions for both, so keep both in your routine.
| The job | What you do | The detail to remember |
|---|---|---|
| General cleaning | Separate the bottle sections, rinse the glass with warm water and use a soft sponge if needed. | Do not immerse the generator base. |
| Built-in cleaning mode | Press the button three times quickly and let the five-minute cycle finish. | Discard the cleaning water. |
| Between-use care | Leave water inside as the manual directs to keep the PEM element hydrated. | The exterior of the base and charging port still need to stay dry. |
These steps come from “Cleaning & Maintenance”, “Self-Cleaning Mode” and “PEM Element Care” on page 2 of the standard iBottle manual, iBottle+ 400ml manual and iBottle+ 230ml manual.
If this is a brand-new bottle, start with the first-use setup and flushing guide. It takes you through the preparation before your first drink.
How to clean the glass section
Follow the diagram in your model’s manual when separating the lid, bottle body and base. Unscrewing those sections is different from taking the generator itself apart; the manual says not to dismantle the generator.
- Separate the bottle sections as shown in the manual.
- Rinse the glass section with warm water.
- Use a soft sponge if the glass needs it.
- Keep the generator base out of the water.
- Allow the exterior of the parts to dry before reassembling securely.
That is the manual’s cleaning method. The iBottle FAQ also describes warm water and a sponge, without needing detergent, for general cleaning. You do not need to add a cleaning product simply because another brand’s instructions mention one.
When you reassemble the bottle, take a moment to line the threads up properly. If it leaks afterwards, check the assembly against the leaking-bottle guidance rather than repeatedly starting another cycle.
How to run the self-cleaning cycle
The current manuals for all three models give this sequence:
- Follow your model’s filling and assembly instructions, using drinking water and leaving the vents clear.
- Press the power button three times quickly.
- Look for the flashing red light that confirms self-cleaning is active.
- Allow the five-minute cycle to finish automatically.
- Discard the water. Do not drink it.
That sequence applies to the current iBottle+ 400ml, and it appears in the standard iBottle and compact iBottle+ 230ml manuals too. Keep your own model’s manual handy so you can match its diagrams and indicator lights to your bottle.
Do this with the charging cable disconnected. Page 2 of the manuals says that hydrogen generation and self-cleaning cannot be activated while charging.
The FAQ’s maintenance schedule suggests running the cleaning cycle every few days with frequent use, and general cleaning every couple of weeks. Keep the two tasks separate: completing a cycle does not mean you should ignore a dirty drinking surface.
For your next refill, the water-selection guide explains the guidance for tap, filtered, mineral and RO water.
Keep the base and charging port dry
This is the care instruction I’d pay particular attention to. The bottle holds water internally, but the generator base is not something to dunk in the sink.
The manuals say not to immerse the base. The FAQ expands on that instruction: do not rinse or submerge the generator or charging port, keep the base dry during cleaning, and do not charge if the port is wet or damp.
Wipe around the charging area carefully if needed, as the FAQ directs. Do not connect a charger to check whether a damp port still works. If water has entered the base or port, contact us and explain what happened before trying to use it again.
The manuals also rule out dishwasher cleaning. Washing a removable glass section by hand does not give you permission to put the assembled bottle in the dishwasher.
What to do about scale or stubborn marks
If a mark stays after normal cleaning, I’d rather see a clear photo than tell you to pour an improvised mixture into the bottle.
The current manuals do not provide a vinegar or citric-acid descaling ratio, a chemical soak time or an approved descaling product. That means there is no model-specific recipe here for me to recommend. A recipe for a kettle or a different hydrogen bottle is not an iBottle instruction.
Start with the documented cleaning routine and built-in mode. If the mark remains, send us a photo and your bottle model. Say where the mark is: on the removable glass, around a seal or inside the generator section. Those are different places, and your next step should be based on the part involved.
What to do between uses
Page 2 of all three manuals says to leave water inside the bottle when it is not in use to keep the PEM element hydrated. That instruction sits alongside the requirement to dry the outside of the parts before reassembly.
There is no conflict between those two jobs: water stays inside where the manual directs, while the outside of the electronic base and charging area stay dry. Do not turn “dry the exterior” into an instruction to leave the internal PEM element dry.
The manuals do not give a separate storage procedure for every situation. If you need to pack the bottle away for an extended period, ask us for advice for your model rather than guessing how long it can be left empty.
Before a flight, read the hydrogen bottle air-travel guide as well. Packing for screening needs to account for the bottle’s care instructions.
Your cleaning and care questions
Does self-cleaning replace washing the bottle?
No. The manuals give separate general-cleaning and self-cleaning instructions. Follow both, paying attention to the glass section and the electronic base as different parts.
Can I put my iBottle in the dishwasher?
No. “Important Notes” on page 2 of each manual specifically excludes dishwasher use. Follow the hand-cleaning instructions above.
Can I drink the water from the cleaning cycle?
No. The self-cleaning instructions explicitly say to discard that water. Refill with clean drinking water before preparing a bottle to drink.
Is a flashing red light always the cleaning cycle?
Context matters. The manuals describe flashing red during self-cleaning, but fast flashing red also indicates a low battery. If a cycle does not start, check the charging instructions and troubleshooting guide rather than assuming the bottle is cleaning.
Which manual should I follow?
Use the one for the model on your order. The model and size guide helps you distinguish iBottle 400ml, iBottle+ 400ml and iBottle+ 230ml. If you have an older bottle and its controls differ, contact us with its details.
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