Six visibly fascinating cultures of colourful desmid species indicative of acid bog and oligotrophic lakes. Typical genera include both saccoderm and placoderm types, e.g. Closterium, Micrasterias, Desmidium, Staurastrum, Pleurotaenium etc
Prior to use it is best to keep cultures near a north facing window (no sunlight) at ambient room temperature 10-25°C.
Cultures usually remain viable for up to two weeks or longer.