Cosmarium, Living Green Algae Culture, Enough Materials For A Class Of 30

Cosmarium sp. A green algae desmid culture. Each green algae culture contains enough material for a class of 30 students. This culture requires a high light level of 200 to 400 foot-candles of fluorescent light 18 to 24" from the culture. Optimal medium: Alga-Gro® Freshwater (item #153752). Optimum growth temperature: 22 C.