MARPHYL Soil Enhancer consists of up to 80 different species of wild marine phytoplankton and provides an array of essential nutrients for your plants. This natural liquid Soil Enhancer boosts plant health and replenishes the soil as plants grow. It is nutritionally dense in trace minerals, antioxidants, carotenoids, amino acids, chlorophyll, proteins and vitamins. MARPHYL Soil Enhancer can be used on indoor or outdoor plants, vegetables or flowers, lawns, and even hydroponics. OMRI is certified for organic use in Canada & USA.