1 A do-it-yourself approach for basic basement steps starts around $250-$350 for materials, and takes about 3-4 hours. 2  That's with standard lumber, such as pine; costs can go much higher with more expensive wood, such as oak.
Pour enough melted agar into each sterile plastic petri dish to cover the bottom - about 1/8 to 1/4 deep. Replace the lid immediately. Place agar plates on a counter top to cool and set. Agar medium will set like stiff gelatin at room temperature. The agar medium is now ready for storage or use.
Anaerobic jar (tissue specimen, 59547). Place sample on top of agar. Keep jar upright to maintain atmosphere in jar. A sterile container (37777) may be used for tissue if transported to the microbiology lab immediately (add drops of sterile saline to keep small pieces of tissue moist).