Your favorite 3-part nutrient system you need to get started in one box. Trial Pack Includes: FloraGro provides nutrients for structural and foliar growth. Combine with FloraMicro to provide a specialized nutrient for rapidly growing plants during the structural and foliar growth phase. FloraMicro provides rapidly growing plants with Nitrogen, Potassium and Calcium as well as a combination of chelated micronutrients and trace elements. FloraBloom provides minerals for the reproductive growth stage to support Flowering, Fruiting and Seed Production.