Media is prepared under carefully controlled conditions and inspected for sterility. Bottles contain 100 mL of media. Each bottle will pour 6-7 standard 15 x 100 mm Petri plates or 15-16 culture tubes. NOTE: Culture bottles are made fresh. Refrigerate upon receipt and for best results use within one month. The prepared agar should be ordered as close to the time of use as possible for optimal results.Not normally shipped during July and August. Please specify shipping date.