Agar is a polysaccharide that can be found in some marine alga cell walls, where it unites various plant tissue cells. Condalab's agar is obtained from those species that provide a better performance to its qualities, such as Gelidium algae.Agar is the gelling agent in solid culture media. It does not interfere with its characteristics or with microorganism growth.Condalab offers high quality agars, without impurities and microbiologically neutral, to obtain the best results in culture media preparation and other applications.