General Hydroponics® FloraDuo® Part B, Quart Speed Controller These leading-edge blocks have the

These leading-edge blocks have the optimal fiber structure and physical properties for crop uniformity

EC and nutrients

7 inches (19

Use the 78-cell side to perfectly fit 1

General Hydroponics® FloraDuo® Part B, Quart Speed Controller These leading-edge blocks have theGeneral Hydroponics FloraDuo Hydroponics B 1 5 4 FloraDuo is a revolutionary new fertilizer product. Using only two components, growers can mix a large range of different nutrient blends for different kinds of plants and for phases of growth from seedling through harvest. The ratios of key ingredients, including nitrogen, phosphorus, potassium, calcium, magnesium, sulfate and micronutrients, all change to meet plant needs.