Potassium Nitrate Pellets, 99% Pure, Tree Stump Remover, Fertilizer for Plants, Grass, Indoor and Outdoor, Lawn Care, Industrial-Grade, Prilled, 5 lbs

This is good stuff - for stump killer...and it makes a good smoke screen. By itself, it is not flammable when mixed with some sugar and it will burn very hot and make lots of smoke which helps keep the mosquitos away..

Works well as a fertilizer in my 125g planted aquarium.

Not powdered. Very tiny BB’s. Will require purification for some uses, crystalizes nicely with only some minor oily coating on top of the water afterwards. Works great right out of the bag to get rid of stumps.

"beads" form a little too big, but ok. hoping that content is actually "pure" as described. no way to analyze. a little hard to apply to tree stump with drilled holes

I was looking for powder, so my bad should work just fine though.

Works great

I learned that Potassium Nitrate is the best product to remove tree stumps, but it takes several weeks to work. At this moment in time I can't give a thumb up or down to the product itself. I'll be back with a follow up. Disappointing was the long time to be delivered It took almost two weeks to receive the order in spite of the fact that it came from USA, not overseas.

Bought this for stump removal. So far after months I’ve seen no change in the stumps.