Pseudomonas P & F Agar Bi-Plates used for the differentiation of fluorescin and pyocyanin producing Pseudomonas. This multi-plate contains Pseudomonas P – also known as Tech Agar (used for enhancement of pyocyanin production by Pseudomonas) and Pseudomonas F – also known as Flo Agar (used for the enhancement of fluorescin production).