Your hydrogen water bottle is working hard every time you use it — running electrolysis cycles, generating molecular hydrogen, and going everywhere with you. Most people never clean it properly. Over time, that's a problem that directly affects your PPB output, your water quality, and the lifespan of the bottle.
Here's exactly why cleaning matters, how often to do it, and the right way to do it without damaging the electrolysis components that make the bottle work.
Why Cleaning a Hydrogen Bottle Is Different From a Regular Bottle
Inside the base of the Hydrotech bottle is an electrolysis chamber containing platinum-coated titanium electrodes and a PEM membrane — the components responsible for producing hydrogen at 3,800 PPB. These parts are sensitive to mineral scale, biofilm, and residue in ways that a standard water bottle simply isn't.
If left uncleaned, three things happen:
Mineral scale builds up on the electrodes. Most tap water contains dissolved minerals — calcium, magnesium, silica. These deposit on electrode surfaces during electrolysis, reducing efficiency and measurably lowering your PPB output over time. Your bottle still runs cycles, but it's no longer producing what it's supposed to.
Biofilm forms inside the bottle. Even with clean water, organic residue accumulates on interior surfaces. Regular cleaning prevents this from becoming an issue.
The PEM membrane degrades faster. The proton exchange membrane is the core of the SPE/PEM system. Exposure to accumulated contaminants and incorrect cleaning agents accelerates its degradation — shortening the lifespan of your bottle and reducing performance well before the end of its natural life.
How Often Should You Clean Your Hydrotech Bottle?
For regular daily users:
- Rinse the bottle body — daily with warm water
- Deep clean the bottle body — weekly with a soft bottle brush and mild soap
- Clean the electrolysis chamber with Refresh+ — every 1–2 weeks
If you use hard tap water (common across many parts of New Zealand and Australia), clean the electrolysis chamber weekly. Hard water deposits scale faster, and the effects on PPB output are noticeable.
The Right Product: Hydrotech Refresh+ Cleaning Tablets
Refresh+ is Hydrotech's dedicated cleaning tablet — engineered specifically for hydrogen water bottle electrolysis chambers. This isn't a generic product adapted from another use. It's formulated for the specific chemistry of SPE/PEM electrolysis chambers: effective at dissolving mineral scale and organic residue, safe for PEM membranes and platinum-coated electrode surfaces, and sized for the Hydrotech bottle's electrolysis chamber fill volume.
Generic alternatives — denture tablets, universal bottle cleaners, fizzing descalers — are not formulated for PEM membranes or electrode coatings and can cause damage with repeated use. Using the wrong cleaning product is one of the most common ways people unknowingly reduce their bottle's performance and lifespan.
"The tablets work wonderfully. This makes sure my bottle is cleaned the way it should be and will help me in the long run." — April N., verified Refresh+ customer
Step-by-Step: How to Clean the Electrolysis Chamber
- Fill the Hydrotech bottle to the electrolysis chamber level with warm water
- Drop in one Refresh+ tablet and allow it to fully dissolve — approximately 15–30 minutes
- Run one full electrolysis cycle to circulate the cleaning solution through the chamber
- Empty the bottle completely
- Rinse thoroughly with clean water two to three times
- Run one final electrolysis cycle with clean water before your next use
Done correctly and regularly, this process removes mineral scale, eliminates biofilm, and maintains your bottle's hydrogen output at full performance.
What to Avoid
- Bleach or chlorine-based cleaners — degrade the PEM membrane
- Dishwashers — heat and pressure damage the electrolysis unit
- Harsh abrasive brushes inside the chamber — scratch electrode coatings
- Submerging the base unit — the charging port and electronics are not waterproof
- High-concentration vinegar or citric acid regularly — occasional mild use is acceptable, but regular exposure to acidic cleaners damages internal components over time
Signs Your Bottle Needs Cleaning
- Reduced bubble production during electrolysis cycles
- A metallic or unusual taste in the water
- White or grey deposits visible inside the electrolysis chamber
- Any odour from the electrolysis chamber
If you notice any of the above, run two to three Refresh+ cleaning cycles before resuming normal use.
Refresh+ Subscription — Free Brush Included
Refresh+ is available as a one-time purchase or on subscription. Subscribing ensures you never run out and keeps your bottle maintained on schedule — and every subscription order includes a free cleaning brush for the bottle body. It's the easiest way to stay on top of maintenance without thinking about it.
The Bottom Line
The Hydrotech bottle is a precision device, not just a container. Regular cleaning with Refresh+ maintains your 3,800 PPB output, extends the life of the bottle, and ensures every glass of hydrogen water you drink is clean and at full concentration. Neglect it and you'll get diminishing returns from a bottle that's capable of much more.
Keep your Hydrotech performing at 3,800 PPB. Shop Refresh+ Cleaning Tablets → — subscription available, free brush included on every subscription order.
Don't have your Hydrotech bottle yet? Shop the Hydrotech Hydrogen Water Bottle →