It can be tough to switch from one nutrient brand to another. With the Emerald Harvest Kick-Starter Kit - 2 Part Cali Pro Base, you can try the line of premium Emerald Harvest nutrients with minimal risk to your garden or budget. The Emerald Harvest Kick-Starter Kit - 2 Part Cali Pro Base includes quart-sized bottles of Cali Pro Grow A & B and Cali Pro Bloom A & B, plus samples of Emerald Harvest's top-selling supplements: King Kola, a powerful bloom booster; Emerald Goddess, a premium plant tonic; Honey Chome, an aroma and resin enricher; and Root Wizard, a massive root builder.