Essential nutrients for aquatic plant with luxuriate root development. The Root supplement provides essential nutrients for promoting the growth of aquatic plants. This supplement is buried beneath the substrate to provide essential nutrients for aquatic plants with luxuriant root development. The tab form will not cause turbidity and inconvenience compared to conservative gravel nutrients like laterite. Insert root supplements 3-5cm below the substrate surface, leaving about 10cm between tablets. for individual plant, insert 2-3 within the root development area. Repeat every 2-3 months.