Easy-Life Ferro is a strong and concentrated iron source for vibrant and healthy plants. The porduct not only contains iron (II) but supporting nutrients like potassium as well. 10 ml per 100 liters / 1 fl oz per 24 US gallons raises the Fe-concentration with 050 ppm or 0.5 mg/l. Use a normal dosage (10 ml per 100 litres) weekly to keep the plants healthy and green. a