Easy-Life Ferro is a strong and concentrated iron source for vibrant and healthy plants. The product not only contains iron(III) but supporting nutrients like potassium as well. Easy-Life Ferro is multiple stabilized and contains no nitrates or phosphates. A lack of iron results in the leaves turning yellow, which is known as chlorosis. Ferro helps to prevent this problem. If there are fast-growing plants in an aquarium, then there is a good chance of iron deficiency. In that case, it is recommended to add Ferro to prevent problems.Application of Easy-Life Ferro:Add weekly 5 ml Easy-Life Ferro per 100 litres of water. This dose raises the Fe-concentration with 0.50 ppm (0.5 mg/l).