Agar, Triple Sugar Iron TSI, 2 kg, microbial testing, laboratory use. This specialized medium is designed for the identification of enteric bacteria based on their ability to ferment glucose, lactose, and sucrose. The addition of iron salts aids in detecting hydrogen sulfide production. Used extensively in laboratories for differentiating between types of bacteria, especially in the study of gastrointestinal pathogens. Ideal for use in microbiological research and education, providing clear, consistent results.