Drip Hydro CaMg 55 Gallon Drum is a commercial-grade calcium and magnesium supplement designed for high-volume cultivation. With a potent 4:1 calcium-to-magnesium ratio, plus added nitrogen and iron, it supports strong vegetative growth, chlorophyll production, and nutrient uptake. This clean, fully soluble formula helps prevent common deficiencies that reduce plant health and yield. Use from early veg through week 6 of flower to strengthen plant structure and boost photosynthesis in hydroponic, soil, and coco systems. Ideal for fertigation setups, commercial greenhouses, and large-scale grows demanding consistent, high-quality inputs.