Products Microbiological media ready to use Test tubes Substrate for the breakdown of sugars and alcohols + rhamnose. PwP-0309a Substrate for the breakdown of sugars and alcohols + rhamnose. PwP-0309a Categories Test tubes Product description Catalogue number: PwP-0309a Application: A medium for confirming the ability of bacteria of the Enterobacteriaceae family to ferment sugars. Pack size: 40 test tubes x 5 ml