PLANT SUCCESS - ORCA - 3.78LOrca is a cutting edge liquid microbial product. The mycorrhizae build a microbial system in and on plant roots which enhances water and nutrient uptake. This concentrated and diverse mix of mycorrhiza and beneficial bacteria is designed to be watered in or run through hydroponic or irrigation systems. Orca can be used on seeds, cuttings, in coco and soil or in any hydroponic system. Seeds: Use 1 2 drops directly on seed. Cuttings: Soak starter cubes