IUT Medium Base - for cultivation of Mycobacterium tuberculosis.

Indole Nitrate Medium (Tryptone Nitrate Medium) - for identification of microorganisms by means of nitrate reduction and indole production.

Inhibitory Mould Agar, Ulrich - for selective isolation of pathogenic fungi.

Inorganic Salt Medium (Modified Raggios Medium) - for studying soil microorganisms such as Rhizobium species.

Inorganic Salt Starch Agar - see ISP Medium No 4.

I Nositol Brilliant Green Bile Agar (Plesiomonas Differential Agar) - for selective isolation of Plesiomonas shigelloides and Aeromonas species from faeces and food stuffs.

I Nositol Gelatin Medium - for the cultivation of Plesiomonas shigelloides from foods as per APHA.

Iron Oxidizing Medium (Twin pack) - for the isolation, cultivation and enrichment of Thiobacillus ferrooxidans.

Iron Sulphite Agar - for detection of thermophilic anaerobic organisms causing sulphide spoilage in foods.

Islam's Medium Base for Group B Streptococci - for identification and cultivation of group B Streptococci from clinical specimens.

Isolation Medium for Iron Bacteria - for the isolation of iron bacteria, especially those belonging to Sphaerotilus - Leptothrix group