Mann Lake FD350 Pro Health Feeding Stimulant with Essential Oils, 1-Pint Pro Health is a feeding stimulant composed of lemongrass and spearmint (essential oils concentrate) Helps promote healthy vigorous hives when used as a feeding stimulant during late winter, early spring and during dearths of nectar It has a natural calming effect when sprayed on the bees It aids in the overall health of the bees Comes in 1-pint size which makes up to 25-gallons