While club soda and seltzer water are just artificially carbonated water, club soda has added minerals that change its taste and nutritional content. Seltzer water has nothing added other than carbon dioxide.

Comparison chart

Club Soda versus Seltzer Water comparison chart
Edit this comparison chartClub SodaSeltzer Water
  • current rating is 3.33/5
  • 1
  • 2
  • 3
  • 4
  • 5
(18 ratings)
  • current rating is 3.45/5
  • 1
  • 2
  • 3
  • 4
  • 5
(11 ratings)
What it is Artificially carbonated water with added minerals. Artificially carbonated water without other additions.
Taste Milder and slightly sweeter compared to seltzer water. Harsher and not sweet compared to club soda.
Brands Canada Dry, Schweppe, Seagrams Canada Dry, Schweppes, Polar
Flavors Plain, lemon-lime Lime, lemon, berries, plain
Calories 0 0
Fat 0 g 0 g
Carbs 0 g 0 g
Sugar 0 g 0 g
Sodium 75 mg/12 oz 0 mg
Potassium 7.1 mg 0 mg
Uses Drink alone, mixer for alcoholic drinks and cocktails. Drink alone, mixer for alcoholic drinks and cocktails.

What Are Club Soda and Seltzer Water?

Club soda and seltzer water are both artificially carbonated water. Club soda with the added minerals potassium bicarbonate, sodium chloride and potassium sulfate.

Seltzer water is plain, unflavored water that is artificially carbonated. There are no additional ingredients.


Club soda is gentler on the palate for those who find seltzer water a bit harsh. It's much milder and slightly sweeter tasting than usual carbonated water, as the introduction of potassium bicarbonate and potassium sulfate dulls the sharp sting of its effervescence.

Flavors and Brands

Club soda usually comes plain, but can be found in lemon-lime. Typical brands include Canada Dry, Seagrams and Schweppes.

Seltzer typically comes in plain, lime, lemon and different berries. Typical brands include Schweppes, Polar and Canada Dry.

Nutrition Facts

With carbonated water, there isn't much nutrition to begin with, which makes club soda and seltzer water very similar when it comes to nutrition facts. There are no calories, fat, carbohydrates or sugars. However, because of the added minerals, club soda contains 75 milligrams of sodium and 7.1 milligrams of potassium in a 12-ounce serving. Seltzer water has no sodium or potassium.

Flavored club soda and seltzer water may have calories or sugars depending on the flavoring used.


Club soda and seltzer water mostly taste the same, like sparkling water. However, club soda has a subtle mineral taste.

Both club soda and seltzer water can be drunk alone. They are generally interchangeable as a mixer in alcoholic drinks. Either can be used in beverages such as Gin Fizz, John Collins, Tom Collins, Wine Spritzer and Singapore Sling.

History and Etymology

Until World War II, carbonated water was referred to as soda water in the US because of the sodium salts it contained in an attempt to imitate mineral water. In the UK and Canada today, drink mixers sold as soda water or club soda contain bicarbonate of soda, giving them a specific flavor that sets them apart from carbonated water.

The term Seltzer water is a genericized trademark that derives from the German town Selters, known for its mineral springs. The term is practically unknown in Great Britain and most of the Commonwealth countries.


Share this comparison:

If you read this far, you should follow us:

"Club Soda vs Seltzer Water." Diffen.com. Diffen LLC, n.d. Web. 16 Nov 2021. < >