Emerald Harvest Cali Pro Bloom A (1 US gallon / 3.79 L, Case of 4) is a premium two-part nutrient solution designed to support the flowering phase of plants in hydroponic and soil-based growing systems. This professional-grade fertilizer provides the essential macronutrients and micronutrients needed for vigorous bloom development, maximizing yield and quality. Looking to enhance y... https://www.hydroponicstown.com/cali-pro-bloom-a-1-us-gal-3-79-l