Many friends of GalenicPharmacy.gr want to know about the different types of soda that are on the market.

Indeed, there are many raw materials and products with the names "soda", "potash", "ammonia" that confuse consumers.

Let's try to put in order, because each of these products is intended for a different use and it is good to know what each one is and how to request it.


Soda (drink)

Also known as carbonated water. It is drunk as a soft drink but also as a digestive after food or in drink cocktails.


Sodium hydroxide (NaOH)

It is also known as caustic soda. Its aqueous solution is called caustic sodium. (ATTENTION for its dissolution in water you can see the recipe for making soap at galenicpharmacy.gr)


Sodium carbonate (Na2CO3)

It is also known as washing soda or baking soda or soda ash.


Sodium bicarbonate (NaHCO3)

Also known as pharmacy soda or medical  soda or baking soda or Sodium bicarbonate.


Potassium hydroxide (KOH)

It is also known as caustic potash. Its aqueous solution is called caustic potassium. Used to make soft soaps.


Neutral potassium carbonate (K2CO3)

It is known as potassa. It is present in significant amounts in firewood ash. It used to be used for washing underwear (lye).


Ammonia (NH3)

It is a gas


Concentrated ammonia solution

It is an aqueous solution containing 25% ammonia. This is how ammonia comes into the trade.


Ammonia solution diluted

It is an aqueous solution containing 10% ammonia. This is the product we use to deal with mosquito bites.


Ammonium carbonate (NH4) 2 CO3

This is the product that housewives ask for from pharmacies as "ammonia", to use it in confectionery


Ammonium bicarbonate (NH4HCO3)


Potassium acid tartrate

Also known as cremetartar or creme of tartar. We will come across old confectionery recipes. It is sometimes used alone and sometimes with a mixture of sodium bicarbonate. This mixture is the well-known baking powder.