The fastest ways to remove a tree stump are by grinding it or burning it.
Stump grinding is often the quickest method, with professionals able to chip away a stump and its roots within a single session. You have the option to hire a professional stump removal service or rent a stump grinder to do it yourself. However, it's important to note that these machines can be large, difficult to transport, and dangerous to operate without prior experience. For safety reasons, hiring a local arborist or landscape specialist is often recommended.
Burning is another fast option. Before you begin, check your local burn laws. The process involves drilling holes into the stump, filling them with vegetable oil, and waiting 24 to 48 hours. Afterward, you can add charcoal bricks to the surface and light the fire, which must be attended at all times.
For a more affordable but much slower alternative, you can use potassium nitrate pellets to accelerate the natural decomposition process. This method typically takes four to six months.