Key takeaways
- Typical service life: 5+ years of daily use.
- Wrong water shortens membrane life by 70%+.
- Quality machines flag service intervals automatically.
What ages a PEM stack
Catalyst poisoning from mineral water, repeated dry starts, and chronic over-temperature operation each shave months off membrane life. None of them are sudden failures — output drifts down gradually until the machine stops meeting its spec.
Frequently asked questions
Professional models accept replacement stacks. Consumer models are usually replaced rather than refurbished.
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Continue →Purity, tablets & bathing
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- Hydrogen Tablets: What You Should Know — What dissolving reactive material can leave behind.
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Source content adapted from guides/how-long-does-a-hydrogen-inhaler-last.