Red Sea Plant Success FloraFe, 14 oz. Iron is an essential element for plant growth and health, since it regulates the formation of the plant's green pigments and several vital physiological processes. Plant Success FloraFe is instantly absorbed by the plant and is immediately utilized for promotion of growth and plant health. FloraFe prevents yellowing of the leaves and growth stagnation. To ensure a constant level of iron, monitor the iron uptake of your plants using an Iron test kit and add FloraFe to the aquarium accordingly. For complete plant health FloraFe should be used in conjunction with FloraVit - a combination of trace elements, vitamins and growth enhancers that are essential for plant vitality