The SPF worshop took place at the Tipi, Sorbonne University in Paris on November 14 and 15, 2019. This worshop allowed to visit the exhibition Algae Imaginarium present at the Tipi. During the day, 13 oral presentations took place as well as the General Assembly of the association. A tasting of sweet and salty preparations based on seaweed was made by Scarlette le Corre (Alguerie) and Akira Peters (BezhinRosko).