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The HydroTumbler is a 32 oz BPA-free bottle with a built-in SPE/PEM electrolysis cell that it says makes up to 5,000 PPB hydrogen water in 10 minutes. A 4,000 mAh USB-C battery runs about 50 cycles per charge, roughly a week to ten days of daily use, so it works as a carry bottle rather than a countertop unit. It suits people who already drink a lot of water and want hydrogen without a plug-in machine. Against rivals it is a self-contained tumbler, but owners report real problems: measured hydrogen well under the claim, leaks at the base button, loose lids and units that quit within months.
Availability unknown
Lowest price we've seen: $119.99 on Nov 1 at Dr. Water. Tracked across 1 store since Nov 1.
Rated 4.6 from 766 ratings, with buyers liking the smooth taste, easy portability and long battery life. A vocal minority report early failures, base leaks, loose lids and hydrogen levels well under the advertised figure.
The HydroTumbler is a 32 oz (about 1 liter) tumbler that makes hydrogen water. It produces up to 5,000 PPB hydrogen in 10 minutes. It uses Nano Electrolysis Ionizer (SPE/PEM) hydrogenation technology.
It has a 4000 mAh battery that charges over USB-C in 3 to 4 hours. One charge supports about 50 hydrogenations, which is roughly 7 to 10 days of use. The materials that touch the water are food-grade and BPA-free.
For care, rinse weekly with diluted white vinegar. Then run 1 to 2 cycles with clean water to flush it. Avoid harsh soaps, bleach and abrasive cleaners.
