Full side-by-side

AlkaViva H2 Athena Mfr claim · Kemp ION-X Mfr claim
SpecAlkaViva H2 AthenaKemp ION-XWinner
OriginUSA (imported)Korea (SG distributor)
DistributionOnline · ships internationallyDirect retail (38+ years in SG)
CategoryAlkaline ionizer (US import)Alkaline ionizer + dispensers
Plates59Kemp ION-X
pH (max alkaline)10.310.45Kemp ION-X
ORP-650 mV-702 mVKemp ION-X
Dissolved H₂0.92 ppm1.18 ppmKemp ION-X
Flow rate2.4 L/min2.6 L/minKemp ION-X
Warranty5 yr3 yrAlkaViva H2 Athena
Filter cost (each)S$ 220S$ 180Kemp ION-X
Sticker priceS$ 3,200S$ 2,288Kemp ION-X
5-year totalS$ 5,400S$ 4,088Kemp ION-X
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: Kemp ION-X saves S$ 1,312 over 5 years.

Lab performance: AlkaViva H2 Athena produces 0.92 ppm dissolved H₂; Kemp ION-X produces 1.18 ppm. The Kemp ION-X leads on hydrogen output.

Warranty: AlkaViva H2 Athena carries a 5-year warranty; Kemp ION-X carries 3. 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 →

Kemp ION-X

Direct retail (38+ years in SG)

Showroom: 10 Anson Road #02-86, International Plaza, Singapore 079903

Phone: +65 6272 5337 · WhatsApp +65 8368 1222

Lineup: iPro Hot & Cold · KempSmart Undersink · KempSmart i9 · i7 · Alphion MX · Mavello Z

Visit Kemp Singapore Pte Ltd →

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