American Hydroponics Epic BoostEpic Boost 1 4 6 The use of Epic Boost is ideal during bud formation and size set. This is during the final stages before harvest, when flowers are at their largest. The design of Epic Boost contains a unique formula that will help your flowers during the final stages of production. Instructions: Use sparingly, this stuff is highly concentrated! For hydroponics, use 2 to 5 mls of Epic Boost per gallon of water in the nutrient reservoir. For soil, use