Home > Water Tests & Treatment « Back API Leaf Zone 237ML 473ML Aquarium Plant Fertiliser Product Brand: API Bottle Size 237ML 473ML £8.29 RRP: £0.00 You will earn 8 points which is the equivalent of £0.08 Print Send to a friend Description Promotes the healthy growth of aquatic plants. Leaf Zone is formulated for rapid absorption through plant leaves. Contains chelated iron and potassium essential for lush green leaves. Powered by eBay Turbo Lister Reviews Write a customer review and share your thoughts with other customers. Be the first to review this product.