Cal+Mag+Iron

Cal+Mag+Iron is a targeted calcium, magnesium, and iron supplement for cannabis and other heavy-feeding crops. It addresses common deficiencies in coco and hydro systems, providing chelated iron alongside the cal-mag base to cover the full spectrum of secondary nutrient needs.

Use Cal+Mag+Iron throughout the vegetative and early bloom phases, especially in systems running purified or reverse osmosis water. The chelated iron remains plant-available across a wider pH range, making it more reliable in varying conditions. It's compatible with coco, hydro, rockwool, and drain-to-waste systems.

This supplement is for growers aiming to prevent nutrient deficiencies such as tip burn, interveinal chlorosis, and iron deficiency in rapidly growing cannabis. It's suitable for those using various growing systems, providing a reliable standalone supplement alongside any base nutrient line.