The history of Phu Quoc fish sauce

Phu Quoc fish sauce is built on anchovies, salt and long fermentation in large wooden vats. The product received geographical-indication protection in Vietnam in 2001 and PDO recognition in the European Union in 2012, but the deeper story of the craft remains in the knowledge and working methods passed through individual barrel houses.

Cá cơm muối chuyển vào nhà thùng trên đảo Phú Quốc — Cá cơm đã ướp muối được chuyển vào nhà thùng Phú Quốc, ảnh tư liệu 2015. · Frank Fox · Wikimedia Commons

Dãy thùng ủ nước mắm ở nhà thùng Phú Quốc, ảnh năm 2015 — Thùng gỗ ủ nước mắm tại một nhà thùng Phú Quốc, ảnh chụp năm 2015. · Wikimedia Commons - Frank Fox

Learn more

At a barrel house, ask what stage of production is taking place, how fish and salt are combined and how long it takes before the first-press sauce can be drawn. When buying bottles, check the producer and label carefully; a high protein figure is not the only measure of quality or suitability for your own taste.

Understanding the story in context

Geographical-indication protection does not mean every bottle with the words “Phu Quoc” printed prominently on it automatically meets the protected standard. The craft itself also predates modern certification by a long time, so keep the cultural history of fish-sauce making separate from present-day commercial and legal standards.

If you visit

Check whether the place you are visiting is an active producer or mainly a retail/display space.
Read the origin and producer information on the label before buying.
If you are flying with bottles, ask for packaging that complies with your airline's requirements.
Do not let protein level become the only thing you use to judge a traditionally made fish sauce.