Purified vs Distilled Water: Which Is Better for Health?

What Is Purified Water?

Purified water is basically regular water that has been cleaned of chemicals, dirt, and other nasty contaminants. Most purified water starts out as groundwater or regular tap water before going through the cleaning process. The purification process is done to take out all kinds of unwanted things. Such as

• Bacteria.

• Algae.

• Fungi.

• Parasites.

• Metals (like copper and lead).

• Chemical pollutants.

There are different ways to purify water, both in big commercial facilities and at home. In most Western countries, the tap water has already been purified and made safe for drinking purposes.

But not everyone around the world has access to clean water. The World Health Organization (WHO) reports that more than 2.1 billion people lack access to safe drinking water. Water quality standards also change from country to country, depending on local government rules or international guidelines.

The Purification Process Involves a Series of Steps:

1. Coagulation and Flocculation - This process involves adding positively charged chemicals to the water. These chemicals bind to negatively charged dirt particles and clump them together into larger chunks. These bigger chunks are called floc.

2. Sedimentation - The floc is usually heavier than water, so it sinks to the bottom. The clean water stays on top.

3. Filtration - The clean water at the top flows through filters made of sand, charcoal, and gravel. This helps catch any remaining debris, such as dust, bacteria, chemicals, and viruses.

4. Disinfection - As a final step, they add disinfectants (usually chlorine) to kill any persistent bacteria or viruses that may have survived the earlier steps.

Keep in mind that not all water treatment is the same. Different areas use different methods, depending on what is in their local water supply and its initial level of cleanliness. For water to be officially labeled as "purified," it must have a total dissolved solids concentration of less than 10 parts per million (ppm). That means nearly 99 percent of all contaminants have been successfully removed.

Health Benefits of Purified Water

Have you ever wondered why so many people are switching from tap water to purified water? Purified water removes potentially dangerous stuff that can make you sick, like bacteria, parasites, and chemicals.

Does purified water have minerals? Yes, in most cases it does! Unlike distillation, many purification methods leave behind beneficial minerals like calcium and magnesium, which your body needs. That is one reason purified water often tastes better than distilled water; those minerals add flavor.

Purified water also:

• Reduces the risk of consuming harmful chemicals and prevents getting sick.

• Tastes cleaner and fresher than tap water.

• It can be easier on the gut, especially for people who have a sensitive digestive system.

• Helps you stay hydrated and promotes overall health.

Potential Drawbacks of Purified Water

Although there are numerous benefits, purified water is not perfect. There are some things you should know before making it your go-to choice.

• Maintenance Matters: Water purification systems need regular maintenance. If you do not change the filters on time, they can actually start harboring bacteria and leaching contaminants back into your water. That damages the whole purpose!

• Purification Procedure: Depending on the purification procedure used, certain pesticides and chemicals may remain in the water. No single purification system removes 100 percent of contaminants.

• Cost: Installing an in-home purification system or buying bottled purified water regularly can get expensive. Some systems are very costly, along with ongoing filter replacement costs that can be a significant expense.

• Environmental Waste: If you purchase purified water in plastic bottles, you contribute to a significant waste problem. In 2024 alone, the United States discarded nearly 35 billion water bottles.

What Is Distilled Water?

Is distilled water pure? Absolutely, it is one of the purest forms of water you can get.

Distilled water goes through a specific process called distillation. Here is how it works: impure water gets boiled until it turns into steam. That steam gets collected and cooled back down into liquid form. Most impurities get left behind because of the difference in evaporation temperature between water and impurities.

The distillation process is incredibly effective at removing:

• Bacteria and viruses.

• Parasites like Giardia.

• Heavy metals like lead.

• Chemical pollutants.

• Salts and minerals.

Because it is so pure, distilled water is the preferred choice for medical facilities and laboratories. Doctors use it in IV (Intravenous) bags, medical equipment, and in procedures where contamination could be dangerous.

Health Benefits of Distilled Water

Wondering if distilled water might be right for you? There are definitely some situations where it shines. Let us dig right into it

Distilled water is mostly free of contaminants like pesticides and bacteria. This can be especially helpful for people with weakened immune systems, like those with HIV/AIDS (human immunodeficiency virus/acquired immunodeficiency syndrome), cancer patients undergoing treatment, or anyone else whose body has trouble fighting off infections.

• For Babies: Many parents ask about purified vs distilled water for baby formula. Distilled water is often recommended for mixing with infant formula, particularly if your baby has health issues or a weak immune system. However, once babies are off formula, they need regular water because they require those minerals for healthy development.

• Medical Devices: Purified vs distilled water, a CPAP machine is another common question. Most CPAP (continuous positive airway pressure, machine that helps to treat sleep apnea) manufacturers recommend distilled water to be used for the humidifier chamber because it will not leave mineral deposits that could cause damage to the equipment or reduce its lifespan.

Distilled water also:

• Removes chlorine, which improves taste and reduces chemical exposure.

• Will not corrode metal parts in car engines or batteries.

• Precision performance inside irons. Blocks mineral deposits effectively and prevents scale buildup.

• Perfect when using a neti pot for gentle sinus rinsing and helps to clear sinuses safely.

Potential Risks of Drinking Distilled Water

But hold on, before you start drinking only distilled water, there are some important downsides to consider. The long-term side effects of distilled water are something doctors and nutritionists have been studying.

The biggest issue? Distilled water removes all minerals, including those that are beneficial to your body, such as calcium, magnesium, potassium, and other electrolytes. While tap water alone is not your main source of these minerals, as you get most from food, completely removing them from your water is not ideal either.

Some studies have found that drinking low-mineral water can cause

• Tiredness and fatigue.

• Muscle cramps.

• Weakness.

Distilled water may not even hydrate you as well as other types of water. Without those electrolytes, your body does not absorb and retain the water quite as effectively. Also, distilled water tastes flat and bland to most people. That's because all those minerals that give water its familiar flavor are gone. If you do not like the taste, you are less likely to drink enough water throughout the day.

Purified vs Distilled Water: Key Differences

All distilled water is purified water, but not all purified water is distilled. So what is the real difference between these two types of water? Let us break down distilled water vs purified water:

• Purity Level: Distilled water is generally purer, as it removes all impurities, including minerals. The majority of impurities are removed from purified water; however, depending on the technique, some useful minerals may remain.

• Taste: Because purified water retains some of its original minerals, it usually tastes better. For most people, distilled water tastes "empty" or flat.

• Mineral Content: Purified water can contain beneficial minerals like minerals, calcium, and magnesium, which are necessary for healthy bones and muscles, but are absent from distilled water.

• Process: A variety of techniques are used to produce purified water. Boiling and condensing are the only processes used to produce distilled water.

• Cost and Energy: Distillation uses significantly more power because you are boiling large amounts of water. Purification methods like reverse osmosis (the process where water is forced through a membrane to remove contaminants) are more energy-efficient.

• Uses: Purified water is better for daily drinking. Distilled water is ideal for medical equipment, CPAPs, humidifiers, car batteries, and situations requiring absolute purity.

Can Purified or Filtered Water Replace Distilled Water?

It depends on what you are using it for. For everyday drinking, purified water is actually the better choice since it keeps all the essential minerals your body needs. But if you are using a CPAP machine, humidifier, car battery, or iron, you should stick with distilled water as the minerals left in purified water can build up over time and damage your equipment. Medical devices and lab work also require distilled water because absolute purity matters in those situations.

Purified vs. Distilled Water: Which Is Better for Drinking?

Purified or filtered water is an easier option for everyday consumption. In addition, it tastes better and is also less expensive to produce. It eliminates dangerous impurities while retaining essential minerals like calcium and magnesium.

Distilled water is incredibly pure, but it removes everything, including the good minerals, so unless you have a specific medical reason (like a severely compromised immune system), there is no real advantage to drinking distilled water over purified water for everyday hydration.

How to Purify Your Drinking Water?

Several different methods can purify water. The most common ones include:

• Reverse Osmosis (RO): Water gets forced through a special membrane that blocks contaminants and allows only clean water to pass through.

• Activated Carbon Filtration: Uses carbon to absorb certain things that affect taste, odor, and some chemicals.

• UV Filtration: Ultraviolet light kills bacteria and other tiny organisms in the water.

• Deionization: Removes mineral ions from water to make it nearly pure water.

• Chemical Disinfection: Uses chemicals like chlorine, ozone, or hydrogen peroxide to kill microorganisms.

Conclusion

Both purified and distilled water have their own importance, but for everyday drinking, purified water always wins. It tastes better and eliminates all impurities while retaining minerals that your body can utilize. For your humidifier, CPAP machine, or other equipment where you do not want mineral buildup, distilled water works best. Ultimately, the most important thing for your health is to stay hydrated with clean water, whether it is distilled or purified. If you have any questions on this topic, you can consult a general practitioner.

Key Takeaways

• Purified water removes all impurities while keeping beneficial minerals, making it ideal for daily drinking with better taste and lower cost.

• Distilled water is the purest form of water, as it removes everything, including minerals. It works best for items that could be harmed by mineral buildup, such as CPAPs and medical equipment.

• Both forms of water are safe to drink, although long-term use of only distilled water might result in mineral shortages, which can be counteracted by a balanced diet.

• Drinking clean water to stay well hydrated is crucial for general health.