Water is one of the most essential elements for life, and yet, not all water is created equal. Tap water, spring water, purified water, mineral water, and distilled water all come with their own characteristics, benefits, and potential drawbacks. Among these, distilled water stands out due to its high level of purity and its widespread use in medical, industrial, and domestic settings. But what exactly is distilled water? How is it made? And should you be drinking it?
This comprehensive blog post will explore everything you need to know about distilled water — from its properties and uses to its advantages, disadvantages, and frequently asked questions.
What is Distilled Water?
Distilled water is a type of purified water that has undergone the process of distillation. This involves boiling water to create steam and then condensing that steam back into a liquid in a separate container. During this process, most impurities, such as salts, heavy metals, and many types of bacteria and chemicals, are left behind. The result is highly purified water that is free from most contaminants.
This form of water is often used in laboratory experiments, medical procedures, automotive cooling systems, steam irons, and even in aquariums. Some people also choose to drink distilled water for health or dietary reasons.
How is Distilled Water Made?
The process of distillation involves several steps:
- Boiling: Water is heated until it reaches its boiling point and turns into steam.
- Evaporation: The water molecules evaporate, leaving behind most solid contaminants, minerals, and other impurities.
- Condensation: The steam is collected and cooled down in a condenser, turning it back into liquid water.
- Collection: The now-distilled water is collected in a clean container.
This process removes up to 99.9% of dissolved salts, organic materials, and microorganisms, making distilled water one of the purest forms of water available.
Properties of Distilled Water
| Property | Description |
|---|---|
| Purity Level | Very high; up to 99.9% of impurities removed |
| Electrical Conductivity | Very low due to lack of dissolved salts and minerals |
| Taste | Flat or bland (due to absence of minerals) |
| pH Level | Around 7 (neutral) but may become slightly acidic when exposed to air |
| Shelf Life | Indefinite if stored properly in a sealed container |
| Appearance | Clear and colorless |
Uses of Distilled Water
Distilled water has a wide range of applications in different fields due to its high purity:
1. Medical and Laboratory Use
Hospitals and laboratories often use distilled water to avoid any contamination during experiments or treatments. It is used for sterilizing instruments, preparing solutions, and in dialysis machines.
2. Industrial Applications
In industries, distilled water is used in processes where even minor impurities could cause defects or errors, such as in semiconductor manufacturing and pharmaceutical production.
3. Automotive Use
Car batteries and cooling systems require distilled water to avoid mineral build-up and corrosion.
4. Household Use
People use distilled water in steam irons, humidifiers, and for cleaning sensitive electronics. It’s also used in aquariums to control the water’s chemical balance.
5. Cosmetic and Skincare
Many skincare products and formulations use distilled water as a base ingredient to ensure purity and avoid reactions.
6. Drinking Water
While not necessary for most people, some choose to drink distilled water to avoid potential contaminants found in tap water.
20 Science Backed Benefits of Distilled Water
Here are benefits of distilled water, explained in a clear and practical way:
1. Extremely Pure
Distilled water is one of the purest forms of water, free from nearly all impurities like minerals, chemicals, and microorganisms.
2. Safe for Medical Use
It’s sterile and contaminant-free, making it ideal for medical settings—used in hospitals for sterilizing tools, cleaning wounds, and mixing medications.
3. Ideal for Laboratory Experiments
Its purity ensures no unexpected chemical reactions, making it a reliable choice in scientific and academic experiments.
4. Prevents Mineral Buildup in Appliances
Used in humidifiers, steam irons, and CPAP machines, it prevents scaling and prolongs appliance life.
5. Gentle on Skin
In skincare routines and formulations, distilled water reduces the risk of skin irritation from contaminants found in regular tap water.
6. Perfect for Car Batteries
It prevents corrosion in lead-acid car batteries by avoiding mineral deposits that could affect battery life.
7. Maintains Aquarium Health
Helps maintain a stable and safe environment for fish, especially in sensitive freshwater and saltwater aquariums.
8. Enhances Steam Cleaning
When used in steam mops and cleaners, it leaves no residue behind, offering better cleaning results.
9. Useful for DIY Cosmetics
Ideal base for homemade lotions, creams, and toners as it won’t interfere with active ingredients.
10. Reduces Risk of Chemical Ingestion
For people concerned about fluoride, chlorine, or heavy metals in tap water, distilled water offers peace of mind.
11. Long Shelf Life
If stored properly, it doesn’t spoil or harbor bacteria easily, making it great for emergency water storage.
12. No Sodium Content
Suitable for people on low-sodium diets, especially those managing conditions like hypertension or kidney disease.
13. Best for Ironing Clothes
Prevents mineral stains and clogs in steam irons, keeping fabrics clean and appliances efficient.
14. Helps in Detox Protocols
Some detox programs recommend distilled water to reduce the intake of contaminants during cleansing periods.
15. Supports Accurate Measurements
In chemical or nutritional labs, it ensures consistency in solution preparation and analysis.
16. Perfect for Infant Formula (When Recommended)
Sometimes recommended to safely mix infant formula without the risk of pathogens or chemical exposure.
17. Prevents Water Spots
Used for rinsing glassware or cars, it prevents spots caused by mineral deposits.
18. Ideal for CPAP Machines
Ensures the machine stays clean and functional without buildup that could impair breathing or equipment.
19. No Allergens
Being free of pollen, mold, or chemicals, it is unlikely to cause allergic reactions.
20. Versatile Household Cleaner
Can be used with vinegar or baking soda to create effective, non-toxic cleaning solutions without leaving mineral streaks.
10 Side Effects of Distilled Water
Here are potential side effects or drawbacks of drinking or using distilled water, especially when used regularly or without awareness of its limitations:
1. Lack of Essential Minerals
Distilled water is stripped of all minerals, including beneficial ones like calcium, magnesium, and potassium, which are important for overall health.
2. Flat or Bland Taste
Because it lacks minerals, distilled water often tastes flat or unnatural compared to spring or mineral water.
3. Possible Mineral Leaching from the Body
Some experts suggest that drinking only distilled water over time may lead to minerals being drawn from the body, especially from bones and teeth, although research is still mixed on this.
4. Electrolyte Imbalance Risk
If used as the sole source of hydration for long periods, distilled water could contribute to an imbalance in electrolytes, especially in people with high physical activity or illness.
5. Not Ideal for Long-Term Consumption
While it’s safe, relying solely on distilled water without dietary supplementation of minerals may not support optimal long-term health.
6. Slightly Acidic After Air Exposure
Distilled water can absorb carbon dioxide from the air, becoming slightly acidic, which could irritate sensitive individuals or interact with dental enamel.
7. Can Corrode Metals in Appliances
Over time, distilled water can be more aggressive in leaching metals from pipes, tanks, or containers, especially if they’re not designed to hold ultra-pure water.
8. May Affect Plant Growth
Plants often rely on trace minerals in water. Using only distilled water can lead to nutrient deficiencies and poor plant health over time.
9. Dehydration Risk in High Sweat Situations
Without electrolytes, distilled water may not adequately rehydrate after intense exercise or sweating, potentially leading to fatigue or cramps.
10. Not Environmentally Friendly to Produce
The distillation process uses significant energy, which may have a higher environmental impact compared to other water purification methods like reverse osmosis or filtration.
Is Distilled Water Safe to Drink?
Yes, distilled water is safe to drink. It is free of contaminants, pathogens, and chemicals. However, because it lacks essential minerals, it’s not necessarily the healthiest option for long-term consumption.
People who rely on distilled water as their primary source of hydration may want to ensure they’re getting enough minerals from food or supplements. For those with specific medical conditions or using distilled water temporarily (such as in detox protocols), it may be appropriate.
Distilled Water vs. Other Types of Water
Here’s a quick comparison of distilled water with other common types of water:
| Type of Water | Key Features |
|---|---|
| Tap Water | Readily available, may contain chlorine, fluoride, etc. |
| Mineral Water | Contains natural minerals; often bottled at the source |
| Spring Water | Derived from underground sources; contains natural minerals |
| Purified Water | Processed to remove impurities (includes distilled water) |
| Distilled Water | Extremely pure; made via boiling and condensation |
Who Should Use Distilled Water?
1. Medical Patients with Weakened Immunity
People undergoing chemotherapy, organ transplants, or who have autoimmune conditions may benefit from distilled water since it’s free from bacteria and potential contaminants.
2. Laboratories and Scientific Researchers
Distilled water ensures consistency and purity, which is crucial for chemical reactions and lab experiments.
3. People Using CPAP Machines or Humidifiers
Distilled water prevents mineral buildup and microbial contamination inside respiratory devices and appliances.
4. Automotive Technicians
It’s ideal for car batteries and cooling systems, as it won’t cause corrosion or mineral deposits.
5. Aquarium Owners
Especially in saltwater and sensitive freshwater tanks, distilled water helps maintain precise water chemistry.
6. Cosmetic and Skincare Enthusiasts
For DIY skin care products or professional formulations, distilled water provides a clean base with no contaminants.
7. Households with Hard Water Issues
Using distilled water in appliances can prevent lime scale and extend the lifespan of coffee makers, steam irons, and more.
8. People Following Detox or Short-Term Cleansing Programs
Some detox protocols recommend distilled water to reduce exposure to external chemicals and minerals during the cleanse.
9. Infant Formula Preparation (When Recommended by a Doctor)
Distilled water can be used to safely mix baby formula, especially in areas where tap water may be unsafe.
10. Emergency Preparedness Planners
Because of its long shelf life, distilled water is often stored for emergencies and disaster kits.
Who Should NOT Use Distilled Water (as Daily Drinking Water)
1. People with Active Lifestyles or Athletes
They lose minerals through sweat and need electrolytes from both food and fluids. Distilled water provides no replenishment.
2. Individuals Relying on Water for Mineral Intake
In regions where water is a major source of calcium and magnesium, switching to distilled water could contribute to deficiencies.
3. People with Electrolyte Imbalance Conditions
Conditions like adrenal fatigue, chronic dehydration, or electrolyte disorders may worsen without the mineral support found in regular water.
4. Children and the Elderly (Long-Term Use)
These age groups may be more vulnerable to mineral deficiencies if distilled water is used as a sole water source over a long period.
5. Gardeners Using Water for Plants
Plants often thrive on trace minerals found in natural water; distilled water may not support optimal plant health unless nutrients are added separately.
6. Everyday Drinking for the Average Healthy Adult
Unless there’s a specific reason (e.g., water contamination or medical advice), most healthy individuals don’t need distilled water for regular hydration.
Environmental Impact of Distilled Water
The process of distillation requires energy, which often comes from electricity or gas. As such, producing distilled water on a large scale can have a higher environmental impact than other purification methods such as reverse osmosis or carbon filtration. However, for certain precision-based needs, the benefits outweigh the environmental costs.
If you’re considering using distilled water regularly, it’s a good idea to weigh its environmental impact, especially if you live in a region where electricity is generated from non-renewable sources.
Can You Make Distilled Water at Home?
Yes, you can make distilled water at home using basic kitchen tools. Here’s a simple method:
What You Need:
- A large pot with a lid
- A heat-resistant glass bowl
- Ice
- A stove
Steps:
- Place the glass bowl inside the large pot, floating it if possible.
- Fill the pot with tap water, avoiding any overflow into the glass bowl.
- Invert the lid on the pot and fill the top of the lid with ice.
- Boil the water. The steam will rise, hit the cold lid, condense, and drip into the bowl.
- After enough water has collected, turn off the heat and carefully remove the bowl.
While this DIY method can be effective, it’s not as efficient or thorough as commercial distillation equipment.
Final Thoughts
Distilled water is one of the purest forms of water available and has a wide range of practical uses. From medical applications to daily household needs, its utility is undeniable. However, it’s important to understand both its benefits and limitations before making it a part of your everyday life.
If you’re considering switching to distilled water for drinking, think about how you’ll make up for the lack of minerals. For specialized uses like in medical settings, electronics, or aquarium care, distilled water can be invaluable.
Ultimately, like any other water type, distilled water has its place. Knowing when and how to use it can help you make the most of this ultra-pure form of hydration and utility.
FAQ’s
What is distilled water used for?
Distilled water is used in medical settings, laboratories, car batteries, steam irons, CPAP machines, and even for drinking in some cases. It’s chosen where pure water is essential to avoid contamination or mineral buildup.
Does distilled water taste different?
Yes, it often tastes flat or bland compared to spring or mineral water. That’s because all the minerals that usually give water its flavor have been removed during the distillation process.
Can distilled water remove toxins from the body?
While some people use distilled water during detox routines, there’s no strong scientific evidence that it actively removes toxins better than regular water. The body’s kidneys and liver do most detoxification work.
Is distilled water good for babies?
It can be used to mix infant formula if advised by a pediatrician, especially in areas where tap water might not be safe. However, it shouldn’t be the only source of water for infants over the long term without professional guidance.
Is it okay to cook with distilled water?
Yes, it’s safe to cook with, and in some cases (like making clear soups or sensitive recipes), it may improve results. But the lack of minerals may slightly affect taste in some foods.
Can distilled water go bad?
Distilled water doesn’t spoil easily, especially if stored in a sealed, sterile container. However, once opened, it can be contaminated by air or surfaces, so it should be used within a reasonable time.
Is distilled water better than purified or spring water?
It depends on your needs. Distilled water is purer but lacks minerals. Purified water still has some minerals, and spring water contains natural minerals and a richer taste. Each has its pros and cons.
Can you drink distilled water every day?
Yes, you can drink distilled water every day, but it’s not generally recommended as your sole source of hydration over the long term. Distilled water lacks essential minerals like calcium and magnesium, so you’d need to ensure you’re getting those from food or supplements.
Why is distilled water not suitable for drinking?
Distilled water is free from contaminants—but also free from beneficial minerals. Drinking it occasionally is fine, but prolonged use may lead to mineral deficiencies if your diet doesn’t compensate. It can also taste flat, which some people find unappealing.
Is RO water distilled water?
No, RO (Reverse Osmosis) water is not distilled water, though both are purified. RO uses a semi-permeable membrane to remove impurities, while distillation involves boiling and condensation. RO water may retain trace minerals, while distilled water removes nearly everything.
Is Bisleri water distilled water?
No, Bisleri water is not distilled water. Bisleri is packaged drinking water that undergoes filtration, ozonization, and sometimes reverse osmosis. It retains some minerals for taste and health benefits, unlike distilled water, which is mineral-free.
Is rainwater distilled water?
Technically, rainwater is a form of natural distilled water because it forms through evaporation and condensation. However, as it falls through the atmosphere, it can collect dust, pollutants, and microbes, so it is not safe to drink without proper filtration or purification.
Is boiled water distilled?
No, boiled water is not distilled water. Boiling kills most bacteria and viruses but does not remove minerals, salts, or chemical contaminants. Distillation, on the other hand, involves capturing and condensing steam to remove all impurities.
Is distilled water good for hair?
Yes, distilled water can be good for hair, especially in areas with hard water. It prevents mineral buildup on the scalp and hair shafts, leading to softer, more manageable hair and better absorption of hair products.
Does distilled water expire?
Unopened and properly stored distilled water does not expire. However, once opened, it can get contaminated with dust, microbes, or chemicals from the air or container. Always store it in a clean, sealed container away from sunlight and heat.
Is distilled water good for plants?
Distilled water can be good for sensitive plants, especially those affected by the chemicals in tap water. However, it also lacks beneficial minerals, so it may not be ideal for all types of plants over the long term.
Does boiling water make it distilled?
No, Boiling kills most pathogens but does not remove minerals and chemical contaminants. Distillation requires collecting the condensed steam.
Also Read: