Distilled Water vs. Purified Water
Time:2023-06-21 Read:274
Reading guide: Distilled water and purified water are two popular options for those seeking clean drinking water. While they differ in their methods of purification and mineral content, both types of water offer a safe and healthy alternative to tap water. By understanding the differences between distilled water and purified water, you can make an informed decision about which one is right for you.


When it comes to choosing the right type of water for various purposes, it's essential to understand the key differences between distilled water and purified water. While both types go through a purification process, they have distinct characteristics and applications. In this article, we will explore the disparities between distilled water and purified water, their production methods, benefits, and common uses.

What is Distilled Water?

Distilled water refers to water that has undergone a distillation process to remove impurities. It involves boiling the water, collecting the steam, and then condensing it back into a liquid form. This process effectively eliminates minerals, chemicals, and contaminants, resulting in highly purified water.

How is Distilled Water Produced?

The production of distilled water involves several steps:

Boiling: The water is heated to its boiling point, causing it to turn into steam.

Condensation: The steam is then cooled and condensed back into a liquid form.

Collection: The condensed water is collected, leaving behind impurities.

This meticulous process ensures that the resulting distilled water is free from most impurities, including bacteria, viruses, heavy metals, and minerals.

Benefits of Distilled Water

Distilled water offers several benefits:

Purity: The distillation process removes impurities, making it one of the purest forms of water available.

Safety: Distilled water is free from harmful contaminants, making it safe for consumption.

Neutral Taste: Its neutral taste makes it suitable for various applications where taste neutrality is desired.

Versatility: Distilled water can be used in a wide range of applications due to its purity.

Common Uses of Distilled Water

Distilled water finds application in various areas, such as:

Medical Settings: It is commonly used in laboratories, medical procedures, and pharmaceutical manufacturing due to its purity.

Household Appliances: Distilled water can be used in steam irons, humidifiers, and certain types of batteries to prevent mineral buildup.

Automotive Use: It is ideal for topping up car batteries, as impurities can reduce their performance.

Cosmetics and Beauty: Distilled water is often used in DIY beauty products and as an ingredient in skincare routines.

What is Purified Water?

Purified water refers to any water that has gone through a filtration or purification process to remove impurities. Unlike distilled water, which specifically undergoes distillation, purified water can be obtained through various purification methods.

Different Methods of Purification

Purified water can be produced using the following methods:

Reverse Osmosis: This process utilizes a semipermeable membrane to remove impurities from water.

Carbon Filtration: Activated carbon filters effectively remove chemicals, chlorine, and odors from water.

Ion Exchange: This method involves replacing unwanted ions in the water with more desirable ions, resulting in purified water.

UV Sterilization: Ultraviolet light is used to kill bacteria, viruses, and other microorganisms present in the water.

Benefits of Purified Water

Purified water offers several advantages:

Safe for Consumption: Purification methods ensure the removal of contaminants, making the water safe to drink.

Improved Taste: Purification processes can enhance the taste and odor of the water by removing undesirable elements.

Versatility: Purified water can be used for drinking, cooking, and various household applications.

Accessible: It can be obtained through various filtration systems or commercially available bottled water.

Common Uses of Purified Water

Purified water finds application in numerous scenarios, such as:

Drinking Water: Many people choose purified water for their daily drinking water needs due to its safety and taste.

Cooking: Purified water can enhance the flavor and quality of cooked food and beverages.

Aquariums: It is vital for maintaining a healthy aquatic environment by eliminating harmful substances that could harm aquatic life.

Baby Formula Preparation: Purified water is often recommended for preparing baby formula to avoid introducing impurities to infants.

Distilled Water vs. Purified Water: A Comparison

While both distilled water and purified water offer high levels of purity, there are some differences to consider:

Production Method: Distilled water undergoes a specific distillation process, while purified water can be obtained through various purification methods.

Mineral Content: Distilled water is virtually devoid of minerals, whereas purified water may still contain trace amounts of minerals based on the purification method used.

Taste: Due to the absence of minerals, distilled water may have a slightly flat taste, while purified water can have a more refreshing taste.

Application: Distilled water is often used in situations where absolute purity is required, such as medical and laboratory settings. Purified water is suitable for everyday drinking, cooking, and household applications.

Which Type of Water is Right for You?

The choice between distilled water and purified water depends on your specific needs:

If you require water for medical purposes, scientific experiments, or laboratory use, distilled water is the most suitable option.

For everyday drinking water, cooking, and general household applications, purified water provides a safe and refreshing choice.

Consider your intended use and the level of purity required when deciding between distilled water and purified water.


In conclusion, both distilled water and purified water serve their unique purposes. Distilled water undergoes a specific distillation process to achieve a high level of purity, making it ideal for medical, laboratory, and specific household applications. On the other hand, purified water can be obtained through various purification methods and offers a safe and refreshing choice for everyday drinking, cooking, and general household use. Understanding the differences between these two types of water enables you to make an informed decision based on your specific requirements.

In order to ensure the quality of distilled and purified water, it is important to use accurate water measurement sensors. These sensors are designed to measure the purity of the water by detecting the presence of impurities and contaminants.

There are several types of water measurement sensors available on the market, including conductivity sensors, pH sensors, and total organic carbon (TOC) sensors. Conductivity sensors measure the ability of water to conduct electrical current, which is an indication of the presence of impurities. pH sensors measure the acidity or alkalinity of the water, which can also indicate the presence of contaminants. TOC sensors measure the amount of organic matter in the water, which can be an indication of bacterial contamination.

By using accurate water measurement sensors, industries can ensure that their distilled and purified water is of the highest quality. This is especially important in industries such as pharmaceuticals and food production, where even small amounts of contaminants can have serious consequences.


Q1: Is distilled water safe to drink?

Yes, distilled water is safe to drink as it goes through a rigorous purification process that removes contaminants.

Q2: Can I use purified water in my coffee machine?

Yes, purified water is suitable for use in coffee machines as it enhances the taste and aroma of the coffee.

Q3: Does distilled water contain minerals?

Distilled water is virtually mineral-free due to the distillation process that removes minerals and impurities.

Q4: Which water is better for aquariums, distilled or purified?

Purified water is typically recommended for aquariums as it removes harmful substances without completely depleting necessary minerals for aquatic life.

Q5: Where can I find distilled and purified water?

Distilled and purified water can be obtained from local grocery stores, convenience stores, or through home filtration systems.