Description
A special mixture of 3 of the following 4 cultures: Closterium ,Cosmarium, Netrium, and Staurastrum. Each culture contains enough material for a class of 30 students.
A special mixture of 3 of the following 4 cultures: Closterium ,Cosmarium, Netrium, and Staurastrum. Each culture contains enough material for a class of 30 students.