AQUATIC PLANT FOOD TABLETS provide essential nutrients and trace elements needed by pond plants to ensure non-stop blooming. Tablets contain iron for lush, green growth and boron to promote flower formation. It keeps water lilies blooming all season long, stimulates lush foliage and beautiful blooms of all aquatic pond plants (hardy tropical plants and marginal and bog plants). Directions Feed plants once a month until the water temperature reaches 70?F, then feed twice a month. Stop using Aquatic plant food tablets when the water temperature drops below 60?F. Use one tablet for every gallon of soil. Push the tablet into the plant soil, 3 inches from the crown of the plant and 3 to 6 inches deep into the soil.