Emerald Harvest Cali Pro Grow A (2.5 US gal / 9.46 L), available in a case of two, is a professional-grade base nutrient formulated to support vigorous vegetative growth. It is part of the Cali Pro two-part nutrient system, designed to be used alongside Cali Pro Grow B for a complete and balanced feeding regimen. This product is ideal for growers seeking an easy-to-use solution that p... https://www.hydroponicstown.com/cali-pro-grow-a-2-5-us-gal-9-46-l