Horti Cal (14-0-0) + Ca + Mg – Reinforce Growth with Vital Nutrients Essential Calcium & Magnesium Supplement for All Growth Stages Support strong, resilient plants from seedling to harvest with Horti Cal, a high-performance dry fertiliser formulated to deliver a steady supply of nitrogen (14%), calcium (Ca), and magnesium (Mg) throughout the entire growth cycle. Ideal for both vegetative and flowering phases, this supplement plays a critical role in boosting plant structure, improving nutrient uptake, and accelerating overall development. Whether you’re growing leafy greens, fruiting crops, or ornamentals, Horti Cal strengthens cell walls, supports rapid foliage growth, and prevents common deficiencies that can slow progress or reduce yield. Key Benefits: High-nitrogen formula for vigorous growth Added calcium and magnesium for structural strength and improved photosynthesis Promotes healthy development during both veg and bloom stages Helps prevent nutrient deficiencies and related disorders Designed for compatibility with the full HORTI Feeding Program Build a healthier, stronger crop with Horti Cal—the essential supplement for consistent growth, robust structure, and optimal plant performance.