Description: 1.0% Select peptone 140 (NZ amine), 0.5% NaCl, 0.5% yeast extract, 1.5% SeaKem? agarose, p.H 7.1 Application: Used in the growth of recombinant E.coli strains. Recommended for replication of recombinant Lambda bacteriophage. 245mm Plates sold in packs of four. This item does not contain MgSO4.Please refer to part number N2020 and N2021when MgSO4. is necessary. Shipping Conditions: Ambient. Storage Conditions: Refrigerate.