Prevegenics Stump Knocker Stump Eliminator

Stump Knocker uses a concentrated formula of Lactobacillus species. Once applied, these beneficial bacteria penetrate the wood fibers and accelerate the natural decomposition process, softening the stump over time so it can be removed more easily.

Yes. Because it relies on biological bacteria rather than harsh synthetic chemicals, it is a safer alternative for your landscape and won't harm the surrounding soil or nearby vegetation when used as directed.

While decomposition rates vary based on the size, species, and moisture content of the stump, you should notice the wood beginning to soften within a few weeks. It is a gradual process that works best when the stump is kept moist.

Yes, for the best results, we recommend drilling several holes into the top of the stump. This allows the liquid to penetrate deep into the wood rather than just running off the surface.

It is effective on most wood types, though harder, denser woods like oak or hickory may require more time or multiple applications compared to softer woods like pine.