Alkaline water ionizer with 8 platinum-coated titanium electrodes — the highest ORP in its class (−722 mV). Ionised water as a natural antioxidant. Kangen Water K8 — for those who make water quality a priority.
The K8 is Enagic's flagship ionizer — the choice for those who don't want to wonder whether their water is good enough. It simply is the best.
Eight massive platinum-coated titanium plates generate an ORP reaching −722 mV. This is measurably the strongest drinkable antioxidant available in a home device. By comparison — cheap competitors achieve −200 mV.
Up to −722 mV ORPThe K8 holds a Class II medical device certificate from Japan's Ministry of Health, Labour and Welfare (MHLW). Not a "supplement", not a "wellness gadget" — a device medically classified by the Japanese government. View certificates →
Medical Class IIpH 2.5 to 11.5 — from strongly acidic (disinfection, skincare) through neutral (medication, infants) to strongly alkaline (drinking Kangen, pesticide removal). One device replaces dozens of products in the home.
5 water typesEnagic services ionizers manufactured 25 years ago — that's not marketing, it's fact. Massive platinum-coated titanium electrodes do not wear out like the thin galvanic layers used by competitors. Buy once, use for decades.
Lifetime investmentEnagic has physical service centres on 5 continents. Whether you're in Poland, Japan or the USA — your K8 will be serviced. No cheap internet brand can guarantee you that.
Service in PolandAn average family of 4 uses 1,500–2,000 plastic bottles per year. The K8 eliminates that cost entirely — both environmentally and financially. Water straight from the tap, better than bottled.
Eco-friendly choice"Electrolysed ionised water exhibits strong antioxidant properties due to the presence of active molecular hydrogen."
Since 2007, more than 1,200 peer-reviewed scientific studies have been published confirming the properties of molecular hydrogen (H₂) — the gas present in K8 water during electrolysis. Studies indicate potential in reducing oxidative stress, supporting recovery and cellular protection.
The K8 produces water with a negative ORP — that is, water that has the ability to "donate" electrons to free radicals and neutralise them. This is the opposite of most beverages (coffee: +300 mV, cola: +400 mV), which need your electrons to function.
Explore the full scientific basis →| Parameter | Leveluk K8 |
|---|---|
| Number of electrodes | 8 platinum-coated titanium plates |
| ORP (oxidation-reduction potential) | up to −722 mV (highest in class) |
| pH range | 2.5 — 11.5 (5 water types) |
| Power consumption | 230 W |
| Flow rate | up to 7.6 litres/minute |
| Operating pressure | 0.02 — 0.5 MPa |
| Input water temperature | 4 — 40°C |
| Weight | approx. 7.2 kg |
| Dimensions (H × W × D) | 343 × 213 × 143 mm |
| Filter | FC1 Enagic (replacement every approx. 6,000 L) |
| Electrical supply | 220–240 V / 50–60 Hz |
| Installation | Connects to kitchen tap (no plumber required) |
| Manufacturer warranty | 5 years (Enagic International) |
| Expected lifespan | 25+ years with regular cleaning |
| Certifications | ISO 9001, ISO 14001, ISO 13485, Class II Medical Device (MHLW Japan) |
| Country of manufacture | Japan (Osaka) |
K8 is not for everyone — it's for those for whom health and quality are not temporary.
Fastest muscle recovery, optimal hydration before and after training, natural support without supplements. K8 is the choice of professionals.
8 electrodes and higher output mean K8 serves a large family without any drop in quality. Water for everyone — children, adults, seniors.
Dealing with chronic fatigue, looking for natural antioxidants, interested in oxidative stress? K8 delivers maximum scientific parameters.
Strongly alkaline pH 11.5 water emulsifies fats and removes pesticides from fruit and vegetables. K8 is the only model in the range that achieves this level without issues.
I know these doubts. I'll answer them honestly — no sugarcoating.
"I run marathons. Since switching to K8 my recovery time has halved — with no change to diet. I measured ORP with my own meter: −780 mV. My coach already has one too."
"Fifth child on the way, financially stressed — but K8 was worth it. €420 less per year on bottled water. The kids drink only Kangen. The difference in hydration is visible to the naked eye."
"I recommend K8 to patients with irritable bowel syndrome and hydration problems. Results with my clients — subjective improvement in wellbeing within 2–3 weeks. I recommend it with a clear conscience."
"I've been doing triathlon for 4 years. I was looking for something to help hydration after long training sessions. I've had K8 for 8 months — I subjectively feel better hydrated after exercise than on regular water."
"I was working 12 hours a day, feeling permanent fatigue despite good sleep. A colleague recommended Kangen water. After a month with K8 my energy level returned to normal. I don't analyse what worked — I just enjoy the result."
"I bought K8 for my mum — she's 71, doctors recommended better hydration. I didn't want her carrying heavy bottles from the shop. She's been drinking two litres a day for half a year without prompting. Before, barely one."
"We were looking for an alternative to plastic bottles when our first child was diagnosed with a plastic allergy. K8 solved the problem once and for all. Three children drink only Kangen — and so do we since then."
"I spent 3 years building a conscious diet — water was the last missing element. K8 closed that circle. I have full control over what I drink and what enters my body. For me it's not a gadget, it's a health foundation."
"I was looking for water rich in molecular hydrogen after reading research from Japan. I compared H2 tablets, separate generators and ionizers of various brands — K8 came out best in terms of quality, versatility and durability."
"I'm interested in water redox potential from a scientific perspective. K8 produces water with an ORP level that's hard to achieve by home methods. I checked with my own meter — results match the specifications."
"Dad is 74, doctors kept saying he wasn't drinking enough. We bought K8 for my parents. Dad drinks regularly now because he likes the taste. A simple change — and the difference in his wellbeing and test results is clear."
"I felt chronically fatigued for years — tests were normal, doctors were helpless. My sister suggested Kangen water. After 6 weeks with K8 my energy level was noticeably higher and sleep deeper. I don't know what worked, but it does."
"My son plays football, my daughter swims competitively. Recovery after training is crucial. K8 was bought for their needs — they both said the water sits better after exertion. A parent listens to their kids, kids listen to their bodies."
"For a year I researched filters, RO systems and ionizers of various brands. I chose K8 for its Japanese certification and Enagic's reputation. High price, but the build quality and after-sales support are in a different league from cheaper devices."
"After antibiotic therapy I was looking for support for my digestive system. My doctor had no contraindications to alkaline water. I've been using K8 for 10 months — digestion calmer, general condition back to normal."
"I operate for 8–10 hours without a break. Hydration is a professional issue for me. K8 is at home — I come back after a shift and drink. Fatigue at the end of a heavy week is noticeably less than before."
"I walk 7 km a day and I'm 68. At my age good hydration is fundamental. My children bought me K8 for my birthday — it was the best gift I've received in years. I drink two litres a day, legs lighter after walking."
"Five-person family — sporty dad, mum with a sensitive stomach, three children. K8 serves everyone simultaneously without any output issues. One ionizer, five satisfied people."
"I do crossfit 5 times a week. Recovery used to take a long time — since drinking K8 water I feel noticeably better hydrated after training. My trainer is already asking about an ionizer. I recommend it to anyone who trains intensively."
All Kangen Water Enagic ionizers produce excellent alkaline water. Compare Leveluk K8 vs SD501DX and JR IV — the difference lies in electrode power and intended use.
You don't have to decide today. Call or write — I'll answer all your questions, help you choose the right model and guide you through the entire process without pressure.