Pond Care Aquatic Plant Food Tablets are the ideal addition to a well planted and thriving aquatic community. Each tablet contains enough essential nutrients to provide proper nourishment for the plants within the tank. Healthier plants lead to healthier and more vibrant fish. The tablets contain iron for lush plant growth, as well as boron for gorgeous flower formation. Ideal for aquariums containing flowering tropical plants and lush green foliage. Enables water-lillies to blossom all year long.