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Langbeinite
On/off switch for ease of use
These leading-edge blocks have the optimal fiber structure and physical properties for crop uniformity
EC and nutrients
30 Pint is 4
General Hydroponics® FloraDuo® Part B, Quart Speed Controller LangbeiniteGeneral 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.