Acid Loving Plant Food is a balanced blend of acidifying agents and trace elements, which when used as directed will adjust the pH level of the soil to a range of between 5.0 and 6.0, prevent and cure Iron Chlorosis (yellowing) and restore natural leaf colour of Hydrangeas. Enhances the blue colour of the Hydrangea blooms. Promotes photosynthesis and respiration in the plant. Assists the plant to resist diseases and remain healthy throughout the growing season.