Happy-Life HappyFerro is a highly concentrated source of iron, which provides the important nutrient iron in exactly the form in which it can be absorbed by the plant. In addition to the vital iron for the plant are other basic nutrients, such as potassium and magnesium and numerous trace elements contained. Of course, Happy-Life HappyFerro is free from phosphates and nitrates. Happy-Life HappyFerro should never be used at the same time as Happy-Life Liquid Filter Media, but only a few hours later.
Dosage: 5ml per 100 liters of water once a week.
