water lukewarm Grate the beets. Place the grated beets in alarge crock and cover with the lukewarm water. Cover securely and place in a warm place. Keep covered for 6 days then it is ready. Skim the resultant scum form the top and pour through a clean cheese cloth into a clean jar. Keep refrigerated. This will keep refrigerated for 12-14 days. It should be deep red in color and have a sour smell. If mold grows on the beets this is normal.