This standby Miracle Medicine should be in every grower's arsenal! The concentrated combination of Nitrogen, Calcium, Magnesium, Chelated Iron and Chelated Zinc allows for a quick, effective and vital 'revival' of your plants. Revive certainly rejuvenates the crop, especially in the case of nutrient deficiencies that can arise from unexpected problems or poor quality nutrients. A research and development team has developed these rejuvenating substances that are quickly distributed through the plant's vascular system, flooding them with medicinal nutrition to give them the best chance to survive and thrive.