<prompt> Tyndallization is a method of sterilization using;Moist heat above 100 CMoist heat below 100 CDry heat above 100 CMoist heat at 100 C  <response>: Tyndallization or intermittent sterilization uses moist heat at 100 C for 20 minutes for 3 consecutive days. It is carried out in a Koch and Arnold steam sterilizer. Media which contain any ingredientcomponent not able to tolerate the temperature of an autoclave are sterilized by tyndallization. Eg. TCBS, XLD, DCA, sugar solutions for fermentation tests and gelatin containing media. 