Full side-by-side

AlkaViva H2 Athena Mfr claim · AOX Premium Mfr claim
SpecAlkaViva H2 AthenaAOX PremiumWinner
OriginUSA (imported)Singapore
DistributionOnline · ships internationallyDirect retail · e-store + corporate rental
CategoryAlkaline ionizer (US import)Antioxidant water dispenser
Plates57AOX Premium
pH (max alkaline)10.310.2AlkaViva H2 Athena
ORP-650 mV-620 mVAlkaViva H2 Athena
Dissolved H₂0.92 ppm0.95 ppmAOX Premium
Flow rate2.4 L/min2.4 L/minTie
Warranty5 yr2 yrAlkaViva H2 Athena
Filter cost (each)S$ 220S$ 180AOX Premium
Sticker priceS$ 3,200S$ 1,799AOX Premium
5-year totalS$ 5,400S$ 3,599AOX Premium
Our rating
How we sourced these numbers: All specs are taken directly from each manufacturer's published product page (links at the bottom). We have NOT independently lab-tested these brands — only Prime Water (our own sister brand) is verifiable through primewater.com.sg. Independent lab testing is rolling out through 2026.

Verdict

Cost over 5 years: AOX Premium saves S$ 1,801 over 5 years.

Lab performance: AlkaViva H2 Athena produces 0.92 ppm dissolved H₂; AOX Premium produces 0.95 ppm. The AOX Premium leads on hydrogen output.

Warranty: AlkaViva H2 Athena carries a 5-year warranty; AOX Premium carries 2. AlkaViva H2 Athena wins on coverage.

Where to buy + showroom info

AlkaViva H2 Athena

Online · ships internationally

Lineup: H2 Athena (5p) · Vesta H2 (8p) · Delphi H2 (7p)

Visit AlkaViva →

AOX Premium

Direct retail · e-store + corporate rental

Phone: +65 6456 4321 · WhatsApp +65 9271 7505

Lineup: Hot & Cold · Non-Electricity · Compac · PURE · TT Tap (award-winner) · AOX Traveller (portable)

Visit AOX Singapore →

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