This 25 lbs Compost Tea Kit includes  19 lbs of Synergy biologically Complete Compost tea and 6 lbs of Synergy Bio-Activator Part "B" Microbes Food. Synergy Compost tea is specially formulated with higher Fungal Properties. It is also high in Beneficial Microbes that will give you a complete soil food web and ensure your compost tea is of the highest quality.  25 LBS MAKES 500 GALLONS COMPOST TEA.   0.3 cents per gallon