POTTED PLANT FERTILIZER. Continuous-release tablet formula containing essential nutrients and trace elements for non-stop blooming of hardy and tropical aquatic plants. * Proper amount of iron for lush green growth. * Contains boron to promote flower formation. * Keeps water lilies blooming all season long. * Promotes beautiful foliage. * Benefits bog and marginal plants such as iris, canna and taro. Pouch of 25 Tablets.