Bonide Stump-Out Stump & Vine Killer - 8 oz. with Applicator - is ideal for use on any size stump! The chemical treatment helps decompose the wood by destroying the sap structure. The stump can then be easily reduced to ashes. Harmless to surrounding vegetation. Contains potassium nitrate. Active ingredients: Triclopyr (3,5, 6-tricloro-2-pyridinyloxyacetic acid) as the triethylamine salt 8.8%. Inert ingredients: 91.2%.