Humboldt Starter Kit-3 Part Our Conventional Three-Part Basic Starter Kit provides the three primary nutrient solutions Grow, Micro, and Bloomof our three-part gardening schedule and also includes Big Up Powder for a successful blooming period. This kit stands as a core program for new or experienced gardeners For Gardeners who want precise control over the nutrients they utilize for a great gardening experience and can be easily expanded with other prime Humboldt Nutrients products. Humboldt Starter Kit-3 Part