Solu-Cal Peak Iron provides iron, magnesium, nitrogen, and potassium to plant for an immediate reaction. Impregnated with PHCA technology, the micro and macro-nutrients are immediately available for plant uptake.

Features & Benefits

• No Surge Growth while providing Dark Green Color.
• Contains Ammonium Sulfate + Sulfate of Potash
• 12% Calcium, 5% Iron, 5% Magnesium
• Safe to use anytime of year