Maxicrop Plus Sequestered Iron 500ml is a concentrated natural seaweed extract enhanced with 2% w/w sequestered iron, designed to prevent and correct iron deficiencies that cause yellowing in flowers, fruits, and vegetables. Its formulation supports the health of acid-loving plants such as rhododendrons, azaleas, and heathers by improving nutrient uptake and promoting vibrant growth. Ideal for maintaining plant vigour and enhancing the overall appearance of your garden’s specialist plants.