The article the author links at the end of the thread goes into this a bit. >Sally Grainger, an independent researcher and author of The Story of Garum, publis

The article the author links at the end of the thread goes into this a bit. >Sally Grainger, an independent researcher and author of The Story of Garum, published last December, also praises Palacios’ effort. But she believes that what the Cádiz team actually produced was a form of liquamen, and because they combined techniques from different recipes, she doubts whether their claims of authenticity are completely justified.