60-day money-back guarantee
Return label provided
Full refund · original payment method
Free returns
Response within 24 business hours
Back
The 60-Day Trial.
60 days after receipt to test the Flask at home. You can even check the concentration with a DPD test (kit available online, ~€20).
Not convinced, for any reason? We'll take the device back. Full refund, tracked return at our expense.
Terms and Conditions
Three rules, that's all.
60 days after delivery
The countdown starts upon signature of the tracked delivery. 60 calendar days, including weekends and public holidays.
Box + accessories
Case · USB-C cable · wireless charging dock · manual. Box accepted even if opened.
Normal usage
Traces of use accepted. No major shocks · no unintended immersion · no disassembly.
Procedure
4 Steps · 7 Days.
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Contact us
Email contact@hydrogenyx.fr with your order number, optional reason.
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Label provided
Response within 24 business hours · return label provided, costs covered by us.
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After-Sales Service Check
Received by our After-Sales Service in France · verification within 24 to 48 hours.
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Refund
Within 3 to 5 business days, to your original payment method. Total: 5 to 7 days after receipt.
Follow-up questions
In detail.
How to initiate the return?
Email contact@hydrogenyx.fr with your order number and reason (optional). Response within 24 business hours with a return label provided.
How long does the refund take?
Parcel received by our After-Sales Service in France · verification 24 to 48 hours · Stripe refund within 3 to 5 business days. Total: 5 to 7 days after receipt.
How will I be reimbursed?
The initial payment method. CB, Apple Pay, PayPal, bank transfer, Shop Pay. No store credit, no voucher.
What happens if I exceed 60 days?
Beyond this, returns are no longer accepted but the 5-year cell warranty and 2-year case warranty remain active. See warranty.
Can I exchange my gift set?
No exchanges: we refund, then you reorder. This keeps the accounting clear for each serial number.
HYDROGENYX Flask
60 days to try.
$239 instead of $299.
Tracked delivery · 60-day money-back guarantee · 5-year warranty · 4 installments with Klarna
The HYDROGENYX Flask is a water preparation device, not a medical device. It does not prevent, treat, or cure any disease.