For a thicker and greener lawn with strong roots, use Turf Builder Root-Trients(TM) fertilizer. Developed with ingredients and packaging that are better for the planet. Combined with Turf Builder Lawn Food, Root Trients is a mix of rich organic matters like, alfalfa, bone meal, kelp, worm castings and rice hulls to deliver a healthier lawn on any type of grass. The packaging contains materials derived from sugar cane plants that are not only a renewable resource but also reduces greenhouse gases. This package will cover a surface of 300 m² and is covered by the No Quibble Guarantee from Scotts.