0.5 kg. Dry ice is solid carbon dioxide, so it should be stored in a special dry ice incubator or a small batch of dry ice in a foam box. 10 kg dry ice stored in an incubator for one night will consume about 5%, that is, 0.5kg.10× 0.05 = 0.5kg. It is a simple, low-cost and ideal storage method at room temperature.