Cyco Nutrients Platinum Series Dr. Repair - 1 Liter Helps to treat chlorosis and environmental stresses Chlorosis is a yellowing of leaf tissue due to a lack of chlorophyll Supports and aids in treatment of plant function and development Use to treat yellowing from poor drainage, damaged roots, compacted roots, and high alkalinity Sustains plants that have a lack of iron, one of the more common nutrient deficiencies