SUPERthrive Grow in a 1-quart bottle is a popular choice for gardeners seeking a balanced nutrient solution to support healthy plant growth during the vegetative stage. This formula (4-2-4 NPK) provides essential macro and micronutrients in appropriate ratios to promote vigorous foliage development, strong stems, and a robust root system. Looking to enhance your hydroponic garden?... https://www.hydroponicstown.com/dggro-032-superthrive-grow-1-qt