Kefir Fermenter (1.5l/50oz) Dramatically simplify homemade kefir process. Just pour milk and drink fresh kefir in 20-24 hours. Say NO to strainer, spatula, dish washing and white spots. Simple. Easy to use and re-use. just fill with milk and drink after 20-24 hours at room temperature or 10-14 hours at 80-95F. Simple. Easy to use and re-use. just add grains, fill with milk and drink after 20-24 hours at room temperature or 10-14 hours at 80-95F. Too big for you? Find different sizes (12oz, 16oz, etc.): type "Microbiota, Inc." or "Kefir fermenter" Kefir Fermenter (1.5L/50oz) with doubled size of container: type B071178MTS Price $17.85 only!! See the last picture. We have also Milk Kefir Curd & Whey Separators, Fermenters for Water Kefir, small and big containers for kefir grains, fruit tea, coffee etc. Type "Microbiota, Inc." to see all.