FYI the basic design is actually within the preview on Google Books (page 47). https://books.google.co.uk/books/about/The_Noma_Guide_to_Fermentation.html?id=-i

FYI the basic design is actually within the preview on Google Books (page 47). https://books.google.co.uk/books/about/The_Noma_Guide_to_Fermentation.html?id=-iJ9DwAAQBAJ https://books.google.co.uk/books/about/The_Noma_Guide_to_Fer... I recommend adding a wire rack so your container doesn't sit directly on the mat as well.