Mycelio visited the Centro Tecnológico de Investigación del Champiñon de La Rioja (CTICH) and the Asociación Profesional de Productores de Sustratos y Hongos de La Rioja, Navarra y Aragón (ASOCHAMP) to promote our substrate in the main mushroom producing area of Spain. We exchanged information with the specialty mushroom specialists and got introduced to other growers in Rioja area.