Bonide Stump-Out ready to apply granules stump removal chemical is indeed to be a functional addition to you. Unlike most other stump removers, this stump remover chemical is made from sodium metabisulfite instead of potassium nitrate. This DIY stump removal will only work on tree stumps seasoned for 12-18 months before treatment. The stump rot chemical helps accelerate the decomposition of tree stumps for easy removal. Use Stump and Vine Killer right after a tree is cut down, so it does not re-sprout. A while after, you may treat the tree with Stump-Out tree stump removal. This dry DIY tree-stump removal chemical is applied to the stump for easier removal. Use this stump grinding on landscapes.