To dethatch your lawn with a lawn mower, purchase and install a dethatching blade. Once the blade is installed, set it to the proper height so that its tines remove the thatch without yanking out ...

Depending on which Ryobi mower you own, it could also affect your warranty. In many cases, opting for a non-branded lawn mower blade replacement could be more hassle than it's worth.

Ryobi currently sells 15 different blades for its mowers, from the smallest push model to the biggest riding mower. These range from $16.97 for a basic 16-inch blade to $59.97 for a dual-pack of ...