This second liquid feed supplement from Vita Europe is based on the essential oils of walnut, thyme, marjoram, and wild marjoram. This feed also stimulates colony developement while stabilizing the pH of the bee's gut to within the optimum range and provides a wide spectrum of protection: fungicidal, bactericidal antioxidant and varroa repellent in a feed based product. It can be used at any time during the year but is most effective in the Spring and Autumn. The 250 ml will feed 5 colonies and the 1 liter will do 20 hives.