# 129: POTATO DEXTROSE AGAR ## Main sol. 129 1000 ml **Potato infusion** 20 g Glucose 15 g Agar 1. Adjust pH to 5.6. Sterilize at 121°C for 15 min ## Potato infusion 1000 ml Water 200 g Potato 1. Boil 200 g scrubbed and sliced potatoes in 1000 ml water for 1 hour. Pass through fine sieve. Avoid new potatoes.