Address nutrient deficiencies with the most advanced Cal-Mag system for cannabis. With a robust menu of calcium, magnesium, iron, and vitamins, Sensi Cal Mag Xtra® eliminates any guesswork in diagnosing shortages and returns your garden to a sea of lush, vibrant green.Chelated calcium and magnesium for effective nutrient absorptionChelated iron offers ideal conditions to prevent common nutrient lockoutKelp delivers vitamins and amino acids for optimal plant performanceChelated manganese and zinc promote robust yieldsNutrient Solutions: Use 2 mL per Liter to correct deficiencies. Repeat after 1 week, if necessary.As part of a regular feeding program: Use 2 mL per Liter. Repeat after 1 week.