Hydro B is the second component of Plagron’s mineral nutrient system for hydroponic cannabis grows. Packed with nitrogen, phosphorus, potassium, and key micronutrients, it supports rapid vegetative growth and heavy flowering. Used with Hydro A, it forms a complete, highly soluble base feeding solution that works in any hydro setup. Whether you’re growing in water, coco, or stone wool , Hydro B provides consistent results and maximized yields. It’s ideal for growers who want precision control, clean systems, and lush, high-performing plants throughout the grow cycle. For a complete feeding that covers all your plants nutritional needs, utilize in combination with Plagron’s Hydro A fertilizer.
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