Smithers Oasis Rootcube 1.5" #5015Advanced formula eliminates the necessity of leaching before use. Since its pH is in the proper range, thorough watering in is all that is required for propagation. Uniform cell structure assures proper drainage and water holding capacity for optimum air water balance. A small amount of slowly available nutrition gives rooted cuttings and seedlings a gentle boost. Rootcubes Plus include a nutrient charge. Recommended for: Poinsettias, foliage,