# J659: PELAGICOCCUS AGAR ## Main sol. J659 55.1 g Marine agar 2216 (BD-Difco) 9.1 g R2A agar (BD-Difco) 750 ml **Artificial seawater** 250 ml Distilled water ## Artificial seawater 24 g NaCl 7 g MgSO4 x 7 H2O 5.3 g MgCl2 x 6 H2O 0.7 g KCl 0.1 g CaCl2 x 2 H2O 1000 ml Distilled water 1. Adjust pH to 7.5. 2. Comment: For preparation of the liquid medium, use Marine broth 2216 (BD-Difco) instead of Marine agar 2216 and R2A broth instead of R2A agar by omitting agar from the R2A agar medium composition (see Medium No. 346).