7. OATMEAL AGAR (OA)

Oats 30.0 g

Agar 15.0 g

Tap water 1000.0 ml

Cook 20 g of oatmeal in 1000.0 ml tap water for 20 min, filter through 2 layers of gauze, dilute to 1000.0 ml and add 15.0 g agar.

Autoclave at 121°C for 15 min.