Difference Between Water and Distilled Water

Edited by Diffzy | Updated on: August 08, 2022


Difference Between Water and Distilled Water Difference Between Water and Distilled Water

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The recommendation to consume at least 8 glasses of water daily is one we frequently hear. However, occasionally people inquire as to which specific fluid is best. Is it ordinary (tap) water or clean water? Or is it a different kind, such as distilled water?

Let’s understand the differences between water and distilled water in a bit more detail.

Water vs Distilled Water

Water includes numerous minerals and pollutants, but distilled water undergoes a distillation process to remove all of these impurities. This is the major distinction between water and distilled water. Distilled water tastes incredibly boring in comparison to water's distinctive flavor.

A very versatile solvent is water. The continuation of life on Earth depends on it. It has a crucial role in both biological activities and natural environmental processes. Although it is chock-full of nutrients and minerals that your body needs, it also has a lot of contaminants that could be harmful. Contrarily, distilled water is purified water that has undergone distillation, or boiling and condensation, to remove pollutants, minerals, and nutrients. Because distilled water lacks minerals that may be essential for biological functions, you shouldn't drink it.

Difference Between Water and Distilled Water in Tabular Form

Table: Water vs Distilled Water
Parameters of Comparison
Distilled Water
It constitutes many minerals and other impurities.
It doesn’t have many minerals or other impurities.
Scientific research
This is not preferred in scientific research.
This is usually preferred in scientific research.
It has a taste.
It doesn’t have any taste.
Distillation process
It doesn’t undergo any sort of distillation process.
It undergoes the process of distillation.
It is generally advisable due to the presence of essential nutrients in it.
It’s not usually advised due to its lack of essential nutrients.

What is Water?

The major ingredient of Earth's aquatic environment and the liquids of all known living things is water (H2O), an inorganic chemical that is transparent, tasteless, odorless, and almost colorless (in which it acts as a solvent). Also, all known forms of life depend on it, even though it doesn't give them any food, energy, or organic nutrients. Its particles are made up of two hydrogen atoms joined by covalent bonds and have the composition H2O. The angle at which the hydrogen atoms are joined to the oxygen atom is 104.45°. The liquid condition of H2O at standard pressure and temperature is also referred to as "water."

Now, water exists in a variety of natural conditions. It produces fog-like aerosols and precipitation in the form of rain. Droplets of ice and water hanging in the air make up clouds. Crystalline ice has the potential to precipitate as snow when it is finely split. Steam or water vapor is the gaseous form of water.

Now, around 71 percent of the Earth's surface is covered by water, largely in seas and oceans (about 96.5 percent ). A negligible amount of water is present in the groundwater (1.7%), glaciers and ice caps of Antarctica and Greenland (1.7%), clouds (made up of ice and liquid water floating in the air), and precipitation (0.001 percent ). The water cycle, which includes evaporation, transpiration (evapotranspiration), condensation, precipitation, and runoff, is a continuous process that usually results in water reaching the sea.

The global economy depends heavily on water. Agriculture uses over 70% of the freshwater that humans consume.  With 6.5 percent of the world's protein coming from fishing in salt and fresh water bodies, it is an important source of food in many regions of the world. Boats are used for a large portion of the long-distance transportation of goods (including oil, natural gas, and manufactured goods) over the oceans, rivers, lakes, and canals. In both industry and residences, huge amounts of water, ice, and steam are utilized for cooling and heating. Water is utilized extensively in industrial processes, as well as in cooking and washing, as it is a great solvent for a wide range of compounds, both mineral and organic.

At room temperature, water (H2O), a polar inorganic compound, is a colorless liquid with a faint blue tint. This has no flavor or odor. Since it can absorb a wide variety of things, this hydrogen chalcogenide is known as the "universal solvent" and is by far the chemical compound that has been investigated the most. For this, water can be the "solvent of life" even though it almost always includes other dissolved substances in nature and additional procedures are needed to gain chemically pure water. The only relatively similar that may exist in all three states on Earth's surface is water.

Water is one of the two formal names for the chemical compound H2O, along with oxidane, and it is also H2O's liquid phase. The solid phase of water, ice, and the gaseous phase, water vapor or steam, are the other two frequently occurring phases of water. Phase changes include freezing (water to ice), melting (ice to water), vaporization (water to vapor), condensation (vapor to water), sublimation (ice to vapor), and deposition. These changes can be brought on by the addition or removal of heat (vapor to ice).

Now, although frogs are known to be able to smell it and humans have special receptors that allow them to feel the presence of water in their mouths, pure water is typically described as being tasteless and odorless. However, water from regular sources—including mineral water in bottles—often has a lot of dissolved materials, which can give it different tastes and scents. To avoid drinking water that is overly salty or rotten, humans and other animals have developed senses that allow them to assess the potability of a liquid.

Due to the absorption of light in the range between 600 and 800 nm, pure water is blue.  In broad daylight, the color can be seen in a glass of tap water set against an entirely white background. The O-H stretching vibrations' overtones are the main absorption bands in charge of the color. According to Beer's law, the color's apparent intensity rises with water column depth. This also holds, for instance, when sunshine is the source of light and is reflected off the white tiles of a swimming pool.

Due to algae or suspended particles, the hue can also change in nature from blue to green.

What is Distilled Water?

Now, steam from boiling water that has been cooled and transformed back into liquid form is distilled water. Some people assert that drinking distilled water is the purest option available. Moreover, any water, whether it is drawn from a natural spring, an artesian well, or a conventional tap, may contain traces of pesticides, bacteria, minerals, or other impurities. Water is purified via the distillation of these contaminants. Additionally, it eliminates more than 99.9% of the dissolved minerals in the water.

Now, tap water, as the name implies, is water that emerges from a faucet. It has probably undergone chlorine disinfection, sediment filtering, and chemical scrubbing to remove dirt. Additionally, fluoride has been added to stop tooth decay. Filtered water is just tap water that has been put through filters to get rid of microorganisms, some pollutants, and chlorine (which enhances the taste). Different filter types eliminate various things. Most bottled water has some sort of filtering. Now, water that has been purified is essentially devoid of germs and contaminants. Reverse osmosis, ozonization, or distillation can all be used to do this. Reverse osmosis involves forcing water across a membrane to remove chemicals, minerals, and bacteria. To qualify as purified water, according to the EPA, a substance's total dissolved solids must not exceed 10 parts per million.

One kind of refined water is distilled water. By capturing the steam from boiling water, salts, minerals, and other organic elements are eliminated.

Drinking distilled water is safe. But you'll likely find it uninteresting or unappealing. This is because key minerals like calcium, salt, and magnesium that give tap water its distinctive flavor have been removed. Only hydrogen and oxygen are all that are left. When purity is crucial, distilled water is best. Medical devices and procedures are among the frequent uses. It is used in hospitals to clean equipment and prevent contamination and diseases. Ultra-pure water is used in kidney dialysis devices to filter blood waste.

  • Lab testing- Nothing in distilled water reacts with scientific studies or compromises their precision.
  • Cosmetics- Your moisturizer, deodorant, or shampoo very certainly contains distilled water as an ingredient.
  • Automobiles- Distilled water doesn't contain any minerals, so it won't interfere with batteries or corrode metal engine parts.

Even essential electrolytes like potassium and other minerals are missing from distilled water. Therefore, if you just drink distilled alcohol, you can be missing out on some of these micronutrients. According to several research, drinking water deficient in calcium and magnesium is associated with fatigue, muscle cramps, weakness, and heart disease. Additionally, distilled water could not keep you as hydrated as other types of water.

If you fill your fish tank with distilled water, be sure to enrich the water with marine minerals. Some coffee drinkers believe that distilled water results in a cup that tastes purer. Nevertheless, according to the Specialty Coffee Association of America, a particular proportion of minerals is ideal for extracting the best brew.

Unopened bottles of store-bought distilled water last virtually indefinitely. But keep it out of the sun's direct rays. Once it's been used, make sure to seal it up tightly. Even in purified water with few nutrients, certain microorganisms can grow.

Now, water that has been heated into vapor and then condensed back into liquid in a different container is known as distilled water. The original container still contains any impurities in the original water that do not boil at or below the boiling point of water. So, one kind of cleansed water is distilled water.

Deionized water can be used in various appliances instead of distilled water as a less expensive option in chemical and biological laboratories, as well as in industry. Double distilled water is used when extremely high purity water is required. In general, unpurified water can leave behind mineral deposits after boiling away, as well as a trigger or interfere with chemical reactions. Distillation is one technique for eliminating contaminants from water and other fluids.

For instance, the longevity of lead-acid batteries used in cars and trucks would be significantly reduced by the ions that are frequently present in tap water. Due to their ability to erode internal engine components and deplete common antifreeze anti-corrosion additives, these ions cannot be used in vehicle cooling systems.

Water evaporates or boils away leaving behind any non-volatile or mineral components. Any dissolved minerals left behind when water escapes as steam, such as from a boiler, heating system, or steam engine, result in the mineral buildup known as the boiler scale.

Main Differences Between Water and Distilled Water In Points

  • While distilled water is free of all minerals and contaminants, normal water contains significant amounts of both.
  • Due to the high levels of contaminants and minerals, water shouldn't be utilized in experiments or studies. However, because distilled water is free of contaminants, it can be used in scientific research and experimentation.
  • People generally enjoy the odd and delicious flavor of water, whereas distilled water is devoid of any water.
  • There is no distillation procedure used with water. Contrarily, distilled water is purified by a distillation process that includes boiling and condensation.
  • Regular water should be consumed since it contains a variety of essential nutrients, as opposed to distilled water, which should not be consumed because it lacks essential minerals like calcium and magnesium.


Water is crucial for the survival of living things as well as the control of biological and environmental processes. Distilled water, on the other hand, is crucial for experimentation and scientific investigations. Because they have weakened immune systems and won't have to contend with any contaminants, HIV and cancer patients can also benefit from it. Hence, it was good to understand the basic differences between distilled water and normal water in detail.


  • Blades, N. (n.d.). Distilled Water. Retrieved from WebMD: https://www.webmd.com/diet/distilled-water-overview
  • Distilled water. (n.d.). Retrieved from WIKIPEDIA: https://en.wikipedia.org/wiki/Distilled_water
  • Water. (n.d.). Retrieved from WIKIPEDIA: https://en.wikipedia.org/wiki/Water     


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"Difference Between Water and Distilled Water." Diffzy.com, 2023. Thu. 23 Mar. 2023. <https://www.diffzy.com/article/difference-between-water-and-distilled-water-841>.

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