# 238: STREPTOMYCIN NUTRIENT AGAR ## Main sol. 238 5 g Peptone 3 g Meat extract 15 g Agar, if necessary 40 mg/l Streptomycin sulfate 1000 ml Distilled water 1. Adjust pH to 7.0. For Bacillus strains the addition of 10.0 mg MnSO4 x H2O is recommended for sporulation.