The RSI hydroponic seed tray from Riverstone Industries simplifies plant propagation, offering a reliable solution for both novice and experienced growers. These commercial-grade polystyrene floating trays are expertly designed to provide consistent hydration to seedlings, minimizing the need for frequent watering. Simply create a water reservoir, plant your seeds within the pyramid-shaped cells, and watch them flourish. The unique design virtually eliminates transplant shock, ensuring healthy root development and easy removal. Plants and soil slide out intact, preventing root entanglement, the spread of pests and diseases, and promoting a robust root system. Experience a significantly higher transplanting success rate, potentially reaching as high as 90%, thanks to the RSI seed trays superior design and functionality. These trays are built to last, providing years of dependable service and making seed starting easier and more efficient than ever before. This set includes one 128-cell tray and one 242-cell tray, providing ample space for all your seedling needs.