General Hydroponics FloraDuo A Mineral Nutrient, 16-Ounce FloraDuo is a two-part mineral nutrient, FloraDuo A (formerly Grow) and FloraDuo B (formerly Bloom) It can be used for all plants and all gardening methods including hydroponics, potted plants in prepared soil mixes, coco blends and garden soils The ratios of primary, secondary and micronutrients all change with different blends; each tailored to meet specialized plant needs Not sold in OR