Directions: Shake bottle well before each use. Keep bottle in carton when not in use. Indoor Houseplants: Just 7 drops (0.53mL) per litre of water every time you water, everything you grow. For feeding once or twice a month use up to 14 drops (1.05mL) per litre of water. One full squeeze of the dropper dispenses approximately 14 drops. Outdoor Plants: 4 dropperfuls (4.2mL per 3.8L) or water every time you water. For feeding once or twice a month use up to 8 dropperfuls (8.4mL per 3.8L) of water.