


How KYK Helps Promote Health
- Acts on microbiome (microorganisms living inside the intestinal environment), often referred to as an organ of the body
- Immunity levels are improved five-fold if effective microorganisms in the intestines are activated
- KYK obtained IRB for the first time in the world, completed clinical testing at Seoul National University Hospital, and gained recognition for its high-efficacy of 85.7%.
- Gained public confidence by receiving approval from Korea’s Ministry of Food and Drug Safety as water with medical effectiveness that can improve the four major gastrointestinal symptoms.
KYK Water Ionizer Applications & Uses Guide
Understanding the Different pH Levels Produced by a KYK Water Ionizer
KYK Water Ionizers utilize advanced Korean electrolysis technology to produce multiple types of water from a single source. Each pH level serves a specific purpose, including drinking, cooking, food preparation, skincare, household cleaning, plant care, and pet care.
By understanding the applications of each water type, users can maximize the benefits of their KYK Water Ionizer in daily life.
pH 9.0 Alkaline Water – Daily Drinking Water
The Ideal Everyday Hydration Water
The human body consists of approximately 60–70% water. Proper hydration is essential for maintaining cellular health, nutrient transport, circulation, digestion, temperature regulation, and overall wellbeing.
pH 9.0 alkaline ionized water is the recommended starting point for individuals new to alkaline water. It contains naturally occurring minerals such as calcium, magnesium, potassium, and sodium, while maintaining a smooth and refreshing taste.
Benefits of pH 9.0 Alkaline Water
• Supports daily hydration
• Helps maintain mineral intake
• Refreshing and smooth taste
• Suitable for regular family consumption
• Can be used as drinking water for pets
Scientific Perspective
Several studies have investigated the potential effects of alkaline water on hydration and recovery. Research published in the Journal of the International Society of Sports Nutrition reported reduced blood viscosity following exercise-induced dehydration when alkaline water was consumed.
Many users report improved hydration and overall wellness when replacing ordinary drinking water with mineral-rich alkaline water.
pH 9.5 Alkaline Water – Coffee and Tea Preparation
Enhance Aroma and Flavor Naturally
Water quality significantly influences the extraction of flavor compounds from coffee beans and tea leaves. The mineral composition of alkaline ionized water can contribute to improved extraction, resulting in richer aroma and smoother taste.
KYK recommends pH 9.5 alkaline water for preparing:
• Coffee
• Green Tea
• Black Tea
• Herbal Tea
• Specialty Beverages
Benefits
• Richer aroma
• Reduced bitterness
• Improved flavor extraction
• Enhanced mouthfeel
• Better overall beverage experience
Scientific Background
Research from coffee science and beverage studies has demonstrated that calcium and magnesium ions influence extraction efficiency and flavor perception. Premium coffee roasters often adjust water mineral composition to optimize taste.
For coffee enthusiasts and tea lovers, pH 9.5 alkaline water provides an excellent brewing medium.
pH 10.0 Alkaline Water – Advanced Cooking Water
The Secret Behind Delicious Cooking
Professional chefs understand that water is one of the most important ingredients in cooking. pH 10.0 alkaline water is ideal for food preparation because it interacts efficiently with proteins, vegetables, grains, and flavor compounds.
Recommended Uses
• Vegetable preparation
• Soups and broths
• Meat stock
• Long-simmered dishes
• Root-based herbal soups
• Produce washing
Cooking Vegetables
Soaking or blanching vegetables in alkaline water may help improve texture, freshness, and flavor. Many users find vegetables prepared with alkaline water appear more vibrant and enjoyable.
Meat and Vegetable Soup
pH 10.0 alkaline water helps extract flavors from vegetables, herbs, and meat, creating richer and deeper tasting broths.
Long-Boiled Herbal Soups
Traditional herbal soups and root-based broths often require extended cooking periods. Alkaline water assists in extracting natural compounds, helping create a fuller-bodied soup.
Fresh Produce Cleaning
Alkaline water is frequently used to wash fruits and vegetables before consumption.
Potential benefits include:
• Removal of surface dirt
• Reduction of wax residues
• Removal of some surface pesticide residues
• Improved freshness
Many households use pH 10.0 water as part of their produce preparation routine.
pH 12.5 Strong Alkaline Water – Food Preparation and Cleaning
Not Intended for Drinking
Strong alkaline water is designed for food preparation and cleaning applications rather than direct consumption.
Recommended Uses
• Grain preparation
• Rice soaking
• Bean soaking
• Vegetable preparation
• Kitchen cleaning
• Degreasing surfaces
Grain Preparation
Many users soak rice, beans, lentils, and grains in strong alkaline water before cooking.
Potential benefits include:
• Better water absorption
• Improved texture
• Faster cooking
• Enhanced food preparation
Natural Degreasing Power
Strong alkaline water can effectively break down oils and grease without requiring harsh chemical cleaners.
Common applications include:
• Kitchen counters
• Stovetops
• Exhaust hoods
• Food preparation surfaces
• Cooking equipment
pH 5.0 Acidic Water – Plant and Flower Care
Water for Healthy Plants
Many ornamental plants and flowers thrive in slightly acidic environments.
KYK recommends pH 5.0 acidic water for:
• Indoor plants
• Decorative plants
• Flower gardens
• Tree-type plants
Benefits
• Supports healthy foliage
• Promotes vibrant leaves
• Improves nutrient availability
• Encourages healthy growth
Scientific Perspective
Plant science research demonstrates that certain nutrients such as iron, manganese, and zinc become more bioavailable in mildly acidic conditions, supporting plant health and development.
pH 4.5 Acidic Water – Natural Skin Care Water
The Natural Toner Water
Healthy human skin naturally maintains a mildly acidic pH known as the Acid Mantle.
The skin’s natural pH generally ranges between 4.5 and 5.5.
Recommended Uses
• Facial rinsing
• Natural toner replacement
• Skin refreshing mist
• Post-cleansing treatment
Benefits
• Supports skin balance
• Refreshes the skin
• Helps maintain skin comfort
• Suitable for daily skincare routines
Many users transfer pH 4.5 acidic water into spray bottles and use it as a refreshing facial mist throughout the day.
pH 4.0 Acidic Water – Food Preparation and Pet Care
Crispy Fried Foods
Acidic water can be used during batter preparation for fried foods.
Benefits may include:
• Improved crispiness
• Better texture
• Enhanced appearance
Boiled Eggs
Boiling eggs in acidic water may help:
• Firm egg whites
• Reduce shell cracking
• Improve peeling performance
Pet Fur Care
Many pet owners use acidic water as a final rinse after bathing.
Potential benefits include:
• Softer fur
• Improved shine
• Cleaner appearance
• Better coat maintenance
pH 2.5 Strong Acidic Water – Cleaning and Hygiene
Powerful Electrolyzed Cleaning Water
Strong acidic electrolyzed water is widely studied for sanitation applications.
Recommended Uses
• Kitchen utensils
• Children’s toys
• Food preparation surfaces
• Household cleaning
• General sanitation
Benefits
• Chemical-free cleaning
• Convenient household sanitation
• Effective surface maintenance
• Environmentally friendly cleaning option
Scientific Research
Electrolyzed acidic water has been studied extensively in hospitals, food processing facilities, and agricultural environments. Numerous studies have demonstrated its effectiveness in reducing microbial contamination on surfaces when produced under appropriate conditions.
Purified Water – Neutral Water for Special Applications
Clean and Neutral Water
Purified water is recommended when a neutral pH environment is preferred.
Recommended Uses
• Taking medications
• Infant formula preparation
• General hydration
• Sensitive applications
Why Use Purified Water?
Purified water contains minimal dissolved substances and provides a neutral environment that many healthcare professionals recommend when taking medications.
Why Choose KYK Water Ionizers?
KYK is one of the world’s leading Korean water ionizer manufacturers, known for advanced electrolysis technology, medical-grade engineering, and exceptional durability.
A single KYK Water Ionizer can provide:
• Alkaline drinking water
• Cooking water
• Coffee and tea water
• Acidic skincare water
• Cleaning water
• Plant care water
• Purified water
By generating multiple water types from a single system, KYK Water Ionizers provide a complete water solution for homes, clinics, wellness centers, restaurants, and healthcare professionals.
Experience the power of scientifically engineered water with KYK.
- Antioxidant properties that remove harmful reactive oxygen species
- “90% of diseases are due to active oxygen species”
- Published in Nature Medicine, the most prestigious and respected medical journal in the world
- Importance of pH balance (balance between acidity and alkalinity)
- Homeostasis
Complete Guide to Alkaline Water, Acidic Water, and Purified Water Uses
KYK Water Ionizers produce multiple types of water through advanced electrolysis technology. Each pH level serves a unique purpose, ranging from daily hydration and cooking to skincare, food preparation, household cleaning, and plant care. This guide explains the practical applications of each water type while incorporating scientific research and evidence-based information. The uses described below are based on the KYK Water Applications Guide.
pH 9.0 Alkaline Water – Daily Drinking Water
What is pH 9.0 Alkaline Water?
pH 9.0 alkaline water is mild alkaline ionized water rich in naturally occurring minerals such as calcium, magnesium, potassium, and sodium. It is considered the ideal starting point for individuals new to alkaline water.
Recommended Uses
Daily Hydration
The human body consists of approximately 60–70% water. Proper hydration supports:
- Nutrient transportation
- Temperature regulation
- Cellular function
- Digestion
- Joint lubrication
Many users choose pH 9.0 alkaline water as their primary drinking water because of its smooth taste and mineral content.
Pet Drinking Water
Many pet owners provide pH 9.0 alkaline water to their dogs and cats due to its clean taste and mineral content. KYK recommends this level for pet hydration.
Scientific Perspective
Several studies suggest alkaline water may:
- Improve hydration status after exercise
- Reduce blood viscosity following strenuous activity
- Support acid-base balance
A study published in the Journal of the International Society of Sports Nutrition reported reduced blood viscosity after consuming alkaline water following dehydration.
It is important to note that alkaline water is not intended to diagnose, treat, cure, or prevent disease.
pH 9.5 Alkaline Water – Coffee and Tea Enhancement
Why Use pH 9.5 Water for Coffee and Tea?
Water quality dramatically affects flavor extraction.
KYK recommends pH 9.5 alkaline water for:
- Coffee brewing
- Green tea
- Black tea
- Herbal tea
- Specialty beverages
The mineral composition helps enhance extraction of aromatic compounds, resulting in:
- Fuller flavor
- Reduced bitterness
- Improved aroma
- Smoother mouthfeel
Scientific Background
Research from the Specialty Coffee Association indicates that mineral content significantly affects coffee extraction and taste.
Calcium and magnesium ions influence:
- Acidity perception
- Sweetness
- Aroma release
- Flavor balance
Many premium coffee shops carefully adjust mineral levels for this reason.
pH 10.0 Alkaline Water – Cooking & Food Preparation
The Culinary Water
pH 10.0 alkaline water is commonly used in kitchens because it interacts favorably with many foods.
KYK recommends pH 10.0 water for:
- Soups
- Stews
- Vegetables
- Meat broths
- Long cooking processes
- Fresh produce washing
Cooking Vegetables
Blanching or soaking vegetables in alkaline ionized water may help:
- Maintain freshness
- Improve texture
- Enhance flavor
- Preserve appearance
Many chefs use mineral-rich water to improve cooking outcomes.
Meat and Vegetable Soup
KYK recommends pH 10.0 alkaline water for soups because minerals can help extract flavors from ingredients more efficiently.
Benefits include:
- Richer taste
- Enhanced aroma
- Improved broth clarity
- Better ingredient extraction
Root-Based Herbal Soups
For long-simmered soups and herbal broths, pH 10.0 alkaline water is often preferred because prolonged cooking allows greater extraction of flavor compounds.
Fresh Vegetable Washing
Alkaline water has been studied for its ability to assist in removing surface contaminants from fruits and vegetables.
KYK recommends soaking produce in strong alkaline water before rinsing with purified water.
Scientific Findings
Research suggests alkaline solutions may assist in removing:
- Dirt
- Wax residues
- Some pesticide residues
- Surface contaminants
Effectiveness depends on:
- Pesticide type
- Concentration
- Soaking time
- Produce surface characteristics
pH 12.5 Strong Alkaline Water – Food Preparation & Cleaning
What is pH 12.5 Water?
Strong alkaline water is not intended for drinking.
It is primarily used for:
- Food preparation
- Produce cleaning
- Degreasing
- Household cleaning
KYK recommends pH 12.5 water for cooking grains and certain food preparation applications.
Grain Preparation
Many users soak:
- Rice
- Beans
- Lentils
- Whole grains
in strong alkaline water before cooking.
Potential benefits include:
- Improved texture
- Faster cooking
- Better water absorption
Natural Degreasing
Strong alkaline water can help break down oils and grease without chemical detergents.
Common applications include:
- Kitchen counters
- Stovetops
- Range hoods
- Food preparation areas
pH 5.0 Acidic Water – Plants and Flowers
Plant Care Water
KYK recommends pH 5.0 acidic water for:
- Houseplants
- Flower gardens
- Decorative plants
- Leaf maintenance
Benefits
Many plants prefer slightly acidic conditions.
Acidic water may help:
- Improve leaf appearance
- Support nutrient availability
- Promote healthy growth
- Enhance flower quality
Scientific Background
Plant science research shows that many ornamental plants absorb nutrients more efficiently in slightly acidic environments.
Essential nutrients such as:
- Iron
- Manganese
- Zinc
become more available at mildly acidic pH levels.
pH 4.5 Acidic Water – Skin Care & Beauty
Natural Facial Toner
KYK recommends pH 4.5 acidic water as a natural toner substitute.
Applications include:
- Facial rinsing
- Skin refreshing
- Post-cleansing treatment
- Spray mist application
Why pH 4.5?
Healthy human skin naturally maintains a pH between approximately 4.5 and 5.5.
This is known as the:
Acid Mantle
The acid mantle helps:
- Maintain skin barrier function
- Retain moisture
- Support beneficial skin microbiota
Scientific dermatology research confirms that maintaining a mildly acidic skin environment contributes to healthy skin function.
pH 4.0 Acidic Water – Food Preparation & Pet Care
Crispy Fried Foods
KYK recommends pH 4.0 acidic water for preparing batter used in fried foods.
Benefits may include:
- Improved crispiness
- Better texture
- Enhanced appearance
Acidity can influence gluten behavior and batter structure.
Boiled Eggs
Using acidic water when boiling eggs may:
- Firm egg whites
- Reduce cracking
- Improve peeling
This principle is similar to traditional cooking methods that use vinegar in boiling water.
Pet Fur Care
KYK recommends rinsing pet fur with acidic water after bathing.
Potential benefits include:
- Improved coat shine
- Cleaner appearance
- Softer texture
Many grooming products are formulated with mildly acidic pH for similar reasons.
pH 2.5 Strong Acidic Water – Cleaning & Hygiene
Household Cleaning
Strong acidic water is commonly used for:
- Kitchen surfaces
- Children’s toys
- Food preparation equipment
- Household sanitation
Scientific Research on Acidic Electrolyzed Water
Electrolyzed acidic water has been widely studied in:
- Hospitals
- Food processing facilities
- Agriculture
- Public health environments
Research demonstrates effectiveness against many microorganisms when produced under controlled conditions.
Potential applications include:
- Surface sanitation
- Food-contact surface cleaning
- Equipment disinfection
Purified Water – Neutral Everyday Water
When to Use Purified Water
KYK recommends purified water for:
- Taking medications
- Infant formula preparation
- General hydration preferences
- Neutral taste applications
Medication Use
Purified water is often recommended when taking prescription medications because:
- It contains minimal dissolved substances.
- It avoids interactions with certain compounds.
- It provides a neutral pH environment.
Why Choose KYK Water Ionizers?
KYK Water Ionizers utilize advanced electrolysis technology to produce multiple water types from a single source:
Alkaline Water
- Drinking
- Cooking
- Coffee
- Tea
- Food preparation
Acidic Water
- Skincare
- Cleaning
- Plant care
- Pet care
Purified Water
- Medications
- Neutral hydration
- Sensitive applications
By generating multiple pH levels on demand, KYK systems provide a comprehensive water solution for homes, clinics, wellness centers, restaurants, and professional environments. Based on the KYK Water Applications & Uses Guide, users can match specific water types to specific purposes for optimal results.
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