PH Of Sparkling Water: 7 Facts To Consider!


Have you ever wondered about the pH level of your favorite fizzy water? Sparkling water, also known as seltzer, is a popular alternative to sugary drinks that often contain sweeteners. However, did you know that its pH level can vary depending on the brand and type? The pH scale measures how acidic or alkaline a substance is, with 7 being neutral. While most sparkling waters fall within a safe range of 2.74 to 7.0, some may have a critical pH level that can erode tooth enamel over time due to the carbonation process. Adding bicarbonate to the water can help balance the pH level and reduce acidity.

On the other hand, seltzer, fizzy drinks, and carbonated drinks may have a higher pH level due to the bicarbonate content that some people believe can provide health benefits. But what exactly is the pH of sparkling water? And which brands offer alkaline options? So grab your bubbly water and let’s dive in!

pH of Sparkling Water

pH of Sparkling Water

Marketplace Lab Tests Show Some Drinks are More Acidic than Others

Carbonated drinks have been a favorite for many people, but what most people don’t know is that they can harm the body’s pH balance

A Marketplace lab test conducted on carbonated beverages revealed varying acid content in different drinks. The test used pH test strips to measure the acid levels of various carbonated beverages and found that some drinks were more acidic than others. If you’re looking for a healthier alternative, consider switching to bicarbonate or alkaline water instead of fizzy water or seltzer water.

Carbonated Beverages like Cola Drinks and Sugary Drinks Have Higher Acid Levels

The lab tests showed that cola drinks and sugary drinks had higher acid levels compared to other carbonated beverages such as fizzy water and seltzer water. This is because these types of drinks contain sweeteners and phosphoric acid, which give them their tangy taste. Phosphoric acid is highly acidic and can cause tooth decay, erosion of the enamel, and even kidney stones if consumed in large quantities. Some carbonated beverages also contain bicarbonate, which can help neutralize the acidity in the drink.

Evidence Suggests Heavy Metals May Affect the Alkaline Levels of Some Drinks

Heavy metals such as lead, cadmium, and arsenic are present in some carbonated beverages such as seltzer water due to contamination during production or packaging. These heavy metals may affect the alkaline levels of some bubbly waters by neutralizing the bicarbonate ions present in them. 

Bicarbonate ions help maintain the alkalinity of blood and body fluids; hence their reduction could result in an imbalance that could affect overall health. It is important to note that some sweeteners used in carbonated beverages can also affect the pH levels. To ensure safety, consumers can use ph test strips to check the acidity of their drinks before consumption.

How Beverages Have Consumed Also Matters

It’s not just about what we drink; how we consume it also matters. Drinking fizzy drinks through straws or quickly gulping down cola drinks can increase acidity levels in our bodies as it reduces saliva production needed for neutralizing bicarbonate. Drinking seltzer water with meals can interfere with digestion by reducing the stomach pH level required for the proper breakdown of food.

To avoid harmful effects on our bodies pH balance when consuming fizzy drinks, we should consider drinking less acidic options like seltzer or natural fruit juice without added sugars. We can also add bicarbonate to our drinks to make them more alkaline. It’s important to avoid using straws and instead sip slowly to allow saliva production to neutralize the acids.

Birmingham Team Examines Seven Different Brands of Mineral Water

A team from Birmingham has recently conducted a study to examine the mineral content in seven different brands of mineral water, including both bubbly waters, seltzer, alkaline and soft drinks. The aim of this study was to find alternative drinking water options for regular water drinkers and to test the bicarbonate levels using ph test strips.

The team found varying levels of minerals in the different water brands they analyzed, including carbonated water and seltzer. Some fizzy drinks had high levels of minerals, while others had low levels. The results were surprising, as some popular alkaline bottled water brands contained fewer minerals than tap water.

Mineral water is a type of bottled water that contains at least 250 parts per million (ppm) total dissolved solids (TDS), which can include various minerals and trace elements such as calcium, magnesium, potassium, and sodium. 

Drinking mineral-rich water can be beneficial for our health since these minerals are essential for our body’s proper functioning. Carbonated waters, seltzer, and fizzy drinks are also popular options for those who enjoy a bubbly sensation in their drinks. Additionally, some people prefer alkaline water for its potential health benefits.

Mineral Content in Bubbly Waters and Soft Drinks

The Birmingham team conducted a study examining the alkaline and pH levels of seven different brands of mineral waters and soft drinks:

San Pellegrino Sparkling Natural Mineral Water, Perrier Carbonated Mineral Water, Gerolsteiner Naturally Sparkling Mineral Water, Schweppes Tonic Water, Coca-Cola Classic, Pepsi Cola Classic and 7 Up Lemon Lime Soda.

They measured the pH level and TDS in each brand of seltzer water and carbonated water to determine their mineral content. The pH level measures how acidic or alkaline a fizzy drink is on a scale from 0-14. A pH level below 7 indicates acidity while above 7 indicates alkalinity. The TDS measures all organic and inorganic substances present in a fizzy drink by weight per unit volume.

According to their analysis results, San Pellegrino Sparkling Natural Mineral Water, one of the fizzy drinks, had the highest TDS level of 932 ppm, while Schweppes Tonic Water had the lowest TDS level of only 15 ppm. The pH levels of all brands were within a range of 2.5-4.6, indicating that they are all acidic and not alkaline.

Alternative Drinking Water Options for Regular Water Drinkers

The Birmingham team’s study aimed to find alternative drinking water options for regular water drinkers who may want to switch things up from plain water or tap water. They found that some popular bottled water brands contained less mineral content than tap water, which means that people can save money by drinking tap water instead. 

Additionally, the study revealed that opting for tap water over fizzy drinks can help maintain healthy ph levels in the body. Furthermore, alkaline water was found to have potential health benefits, making it a great alternative for those looking for a more balanced option.

However, if you prefer bottled water and want to ensure that you’re getting enough minerals in your diet, it’s important to choose a brand with high TDS levels. San Pellegrino Sparkling Natural Mineral Water is an excellent option since it has one of the highest TDS levels among all brands. 

Additionally, if you are looking for alkaline water, San Pellegrino also offers a variety with a pH level of 7.7, making it a great choice for those seeking a more alkaline diet.

How to Make Your Own Sparkling Mineral Water at Home

If you want to enjoy sparkling mineral water without having to spend money on bottled drinks, you can make it at home using a soda maker. Here’s how:

Study Shows Sparkling Water May Help Relieve Constipation

If you’re someone who suffers from constipation, you know how uncomfortable it can be. But did you know that sparkling water may help relieve your symptoms? According to a recent study, carbonated drinks like seltzer and club soda have a positive effect on bowel movements.

The Study

The study was conducted by researchers at the Medical University of South Carolina. They looked at the effects of various beverages on bowel movements in 19 healthy adults. Participants were asked to drink either still water, sparkling water, regular soda, or orange juice over a five-day period.

The results showed that those who drank sparkling water had significantly more bowel movements than those who drank still water or other beverages. This suggests that fizzy drinks can increase the frequency of bowel movements and potentially help with constipation.

Carbonated Drinks vs Regular Soda and Fruit Juice

While carbonated drinks like seltzer and club soda have been shown to have benefits for constipation relief, regular soda and fruit juice do not have the same effect. 

In fact, drinking too much regular soda or fruit juice can actually make constipation worse due to its high sugar content. Alkaline water, on the other hand, may also help relieve constipation by neutralizing stomach acid and promoting hydration.

It’s important to note that some sparkling waters may contain sweeteners or artificial flavors which could potentially negate any benefits for constipation relief. When choosing sparkling water, look for options with natural ingredients and no added sugars.

Rinsing Your Mouth with Sparkling Water

In addition to drinking sparkling water, rinsing your mouth with it after meals may also help with constipation symptoms. The carbonation in the water helps stimulate saliva production which aids in digestion.

To try this method, simply swish some sparkling water around in your mouth for a few seconds after eating. Not only does this potentially help with constipation relief but it also freshens your breath!

Does Carbonated Water Weaken Tooth Enamel?

If you’re a fan of carbonated water, you may have heard that it can weaken your tooth enamel. But is this true? Let’s take a closer look at the science behind sparkling water and its potential impact on dental health.

Carbonated Water and Tooth Enamel

Carbonated water contains carbon dioxide gas, which gives it its signature fizz. When carbon dioxide dissolves in water, it forms carbonic acid. This is what makes sparkling water slightly acidic – with a pH level typically ranging from 3 to 4.

Acidic drinks, including carbonated water and seltzer water, can wear away at tooth enamel over time. Enamel is the hard outer layer of your teeth that protects against decay and damage. When enamel erodes, it can lead to sensitivity, discoloration, and even cavities. It is recommended to drink alkaline water to help counteract the effects of acidic drinks on your teeth.

So does this mean that drinking carbonated water will weaken your tooth enamel? It depends on several factors.

pH Level of Sparkling Water

While sparkling water is slightly acidic due to its carbonic acid content, the pH level is generally not low enough to cause significant enamel erosion. In fact, most brands of sparkling water have a pH between 3 and 4 – similar to orange juice or tomato juice but less acidic than soda or lemonade.

However, if you frequently drink large amounts of highly acidic beverages like sports drinks or energy drinks along with your sparkling water habit – that could increase your risk for enamel erosion over time.

Good Dental Hygiene

Another important factor in protecting your tooth enamel is good dental hygiene. Brushing twice a day with fluoride toothpaste helps strengthen teeth by remineralizing weak spots before they become cavities. 

Flossing daily removes food particles and plaque from between teeth that brushing can’t reach. Drinking alkaline water, seltzer water, or carbonated water does not directly affect the enamel, but it’s important to note that excessive consumption of carbonated beverages can lead to erosion of the enamel over time.

Limiting your intake of sugary or acidic beverages also helps protect against tooth decay and erosion. Drinking plenty of plains still water throughout the day can help neutralize the acid in your mouth and rinse away harmful bacteria.

The University of Birmingham Conducts Study on Erosive Potential of Weak Acid on Teeth

The University of Birmingham conducted a study on the erosive potential of weak acid on teeth. The study found that sparkling water with added flavorings can lead to enamel erosion and tooth decay. Enamel erosion is a serious dental health concern that can lead to tooth sensitivity and cavities.

Enamel is the outer layer of the tooth, which protects it from damage. When this protective layer erodes, it exposes the sensitive inner layers of the tooth, making it more susceptible to decay and cavities. According to researchers, flavored sparkling water has a pH level below 5.5, making it acidic enough to cause enamel erosion.

Tooth decay is a common dental problem caused by bacteria in the mouth that produce acid when they come into contact with sugar or carbohydrates. Drinking carbonated water, alkaline water, or seltzer water can also contribute to tooth decay if they contain added sugars or acids that can dissolve the minerals in the enamel, leading to cavities.

The Canadian Dental Association recommends limiting the consumption of acidic drinks, including flavored sparkling water, to protect dental health. Maintaining good oral hygiene habits such as brushing twice daily, flossing regularly, and visiting your dentist for regular check-ups can also help prevent enamel erosion and tooth decay.

Enamel Erosion: A Serious Dental Health Concern

Enamel erosion is irreversible and can only be prevented by maintaining good oral hygiene habits. Once the enamel has been eroded, it cannot be restored naturally by the body. This makes protecting your teeth from erosion even more important. Drinking alkaline water, seltzer water, or carbonated water may contribute to enamel erosion and should be consumed in moderation to avoid damaging your teeth.

Symptoms of enamel erosion include tooth sensitivity to hot or cold temperatures and discoloration or transparency at the edges of teeth. If you consume seltzer water or carbonated water frequently and experience any of these symptoms or suspect you may have enamel erosion, you should consult your dentist immediately.

Protecting Your Teeth from Enamel Erosion

Limiting the consumption of acidic drinks such as flavored sparkling water is one way to protect your teeth from enamel erosion. Here are some other tips to help prevent enamel erosion and tooth decay:

  • Drink water after consuming acidic drinks to help neutralize the acid in your mouth.
  • Use a straw when drinking acidic beverages, including carbonated water and seltzer water, to minimize contact with your teeth.
  • Wait at least 30 minutes after consuming acidic drinks or carbonated water before brushing your teeth. Brushing immediately after can cause further damage to already weakened enamel.
  • Chew sugar-free gum after meals or snacks and drink carbonated water to stimulate saliva production, which helps neutralize the acid in the mouth.
  • Eat a balanced diet that is low in sugary and acidic foods, and avoid carbonated water if possible.

Weak Acid in Sparkling Water Has Minimal Effect on Teeth

Sparkling water has become increasingly popular as a refreshing, low-calorie alternative to sugary drinks. However, some people are concerned about the potential negative effects of sparkling water on their teeth. One common concern is that the carbonic acid in sparkling water can damage tooth enamel and lead to tooth decay.

While it is true that sparkling water contains carbonic acid, which is a weak acid, research shows that drinking sparkling water in moderation is unlikely to harm your teeth. In fact, compared to other acidic beverages like soda and sports drinks, sparkling water has a relatively low acidity level and does not contain artificial sweeteners that can harm teeth.

Carbonic Acid: A Weak Acid

Carbonic acid is formed when carbon dioxide gas dissolves in water. This process creates bubbles and gives sparkling water its characteristic fizziness. While carbonic acid is an acid, it is considered a weak acid because it does not fully dissociate into hydrogen ions (H+) and bicarbonate ions (HCO3-) in solution.

The pH scale ranges from 0-14, with 7 being neutral. Anything below 7 is considered acidic while anything above 7 is alkaline or basic. The pH of pure water at room temperature is 7.0. The pH of most brands of sparkling water ranges from 4-5, which makes it slightly acidic but still within safe levels for teeth.

No Artificial Sweeteners

Unlike many sugary drinks such as soda and sports drinks which have high levels of acidity due to artificial sweeteners like phosphoric or citric acids added during processing, most brands of sparkling water do not contain any artificial sweeteners that could lower the pH level and cause tooth decay.

Artificial sweeteners are often added to carbonated water and other sugary drinks to improve their taste without adding calories from sugar. However, these additives can be harmful to teeth because they lower the pH level and increase the acidity of the beverage. Over time, this can lead to tooth decay and erosion of tooth enamel.

Drinking Sparkling Water in Moderation

While sparkling water is generally considered safe for teeth, it is important to drink it in moderation. Excessive consumption of any acidic beverage, including sparkling water, can lead to erosion of tooth enamel over time. This can make teeth more susceptible to cavities and other dental problems.

To minimize the potential negative effects of sparkling water on your teeth, consider drinking it with a straw or rinsing your mouth with water after consuming it. Try not to consume too much at once and be sure to drink plenty of plain water throughout the day to help neutralize acids in your mouth.

The pH of Sparkling Water and Your Health

After examining various studies, it can be concluded that the pH level of sparkling water has minimal effects on teeth enamel. However, it is noteworthy to point out that some brands may have higher acidity levels than others. Therefore, it is important to choose a brand with a balanced pH level.

Studies have shown that drinking sparkling water may help relieve constipation. This makes it a healthier alternative to sugary drinks or caffeine-based beverages.

To maintain good oral health, it is recommended to limit the intake of carbonated drinks and maintain good dental hygiene practices such as brushing and flossing regularly.

Overall, the pH level of sparkling water should not cause any major concerns for your health if consumed in moderation. It is important to make informed decisions when choosing which brand to consume and maintaining healthy habits.


Is sparkling water bad for your teeth?

Studies have shown that the weak acid in sparkling water has minimal effects on teeth enamel. However, it is still recommended to limit consumption and maintain good dental hygiene practices.

Can drinking too much sparkling water harm you?

Excessive consumption of any beverage can lead to negative health effects. It is important to consume carbonated drinks in moderation and make informed decisions about which brands you choose.

Does sparkling water count toward your daily water intake?

Yes, drinking carbonated water can count towards your daily hydration needs. However, it is still recommended to also drink plain water for optimal hydration.

What are the benefits of drinking sparkling water?

Drinking carbonated water may provide relief from constipation and serve as a healthier alternative to sugary or caffeinated beverages.

Is there a difference between mineral water and sparkling water?

Mineral waters contain minerals such as calcium or magnesium while carbonated waters are infused with carbon dioxide gas for effervescence. Both types can have varying levels of acidity depending on the brand.

About the author

I am Leena Raswant, a chemistry postgraduate. I thrive on challenges and continually specified goals. I aim to learn, unlearn, relearn and spread my knowledge in the best possible ways.