DESCRIZIONE
An apparatus is disclosed for growing algae by ionizing radiation. The apparatus includes a container (1) for containing medium for the growth of algae, a filter (12) disposed in the container, a 3-dimensional rack (2) disposed in the container, an adherent element wound (3) on the 3-dimension rack so that spores of the algae can be planted in the adherent element, a radiation element (32) disposed in the container for irradiating the spores and a timepiece (33) connected to the radiation element.