NZ Broth culture media product blog Tags: Culture Media; NZ Broth; NZ Broth culture media; Posted by mybiosource_staff on . The NZ Broth n/a (Catalog #MBS653279) is a Culture Media and is intended for research purposes only. The product is available for immediate purchase.To buy or view more detailed product information and pricing, please click on the technical datasheet page below:NZ Broth (Powder)Media base for propagation of bacteriophage lambda.pH: 6.8-7.2Solubility: Light yellow, clear, complete.