Grower Select 16-3-16 Cal-Mag Triple Iron 25lb — Single Unit

The Cal-Mag Triple Iron 16-3-16 Fertilizer delivers balanced calcium and magnesium with three forms of chelated iron to maintain iron availability, even at higher substrate pH levels. This low-phosphorus formulation helps prevent plant stretching while supporting strong, compact growth. Manufactured in North America with premium components, it offers excellent solubility, complete micronutrient coverage, and dependable performance for diverse growing applications.