Vertical mowers, also known as verticutters, have vertical blades that slice down through the thatch layer and into soil, pulling thatch—and often grass roots—towards the surface area because they go. Mechanical core aerators ordinarily pull ¾” wide plugs outside of the bottom that are typically among two-four inches in depth. https://sodinstallation33210.blogsvila.com/32017956/5-essential-elements-for-lawn-care