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Have any of you guys used stump killer?

Yes. Effective if you drill deep holes and then dump it down. I tried to do the crappy way and just use my chainsaw to cut slices in the stump (at ground level) and then paint this stuff on it. Didn't even phase the stump though.

IF I had to do it again, I'd rent a stump grinder and just grind the darn thing out of its misery.
 
I have done two different things.

One stump, I used a chain saw to cut it very very close to the ground. Next I took an ax and cut it down below the ground line. Next, I threw some dirt then mulch on top of it.

After one year, grass has grown over it.

The other stump, I just had someone grind it down.
 
I used it once on two large (roughly three foot diameter) oak stumps. Be prepared to spend hours boring holes in the stump. You'll almost certainly burn out one or more drills no matter how patient you are, and you'll have to sharpen/replace the drill bit repeatedly.

Also be aware that the active ingredient in sump remover is also a component in making gun powder, so if you are a tinfoil hat type be prepared to be on a government list for life. With all the nitrites you are pouring into your stump you probably aren't doing the local water are favors either.

It took at least three years for my stumps to soften up enough to be beat apart with a maul (think Insanity while dressed as Paul Bunyan)-which in itself took many hours of labor.

I'd never do it again. Rent a stump grinder, or better still hire someone to grind it. Stump grinding is pretty cheap as I recall.
 
Thump553 said:
I used it once on two large (roughly three foot diameter) oak stumps. Be prepared to spend hours boring holes in the stump. You'll almost certainly burn out one or more drills no matter how patient you are, and you'll have to sharpen/replace the drill bit repeatedly.

Also be aware that the active ingredient in sump remover is also a component in making gun powder, so if you are a tinfoil hat type be prepared to be on a government list for life. With all the nitrites you are pouring into your stump you probably aren't doing the local water are favors either.

It took at least three years for my stumps to soften up enough to be beat apart with a maul (think Insanity while dressed as Paul Bunyan)-which in itself took many hours of labor.

I'd never do it again. Rent a stump grinder, or better still hire someone to grind it. Stump grinding is pretty cheap as I recall.
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Listen to this man, that shit is pointless unless you REALLY don't care about getting rid of it for awhile.

I used it and did the wait thing, took months and months before it was even somewhat doable. And I used huge construction drills with massive bits. You would literally be better off using either TNT or a stump grinder.

Don't be stupid and just rent one, do it in 30 minutes or less.
 
Renting a stump grinder isn't exactly cheap either.
They wanted $100 for 4 hours of use here.

You could burn it with charcoal, as long as it isn't green, then take a axe to what is left (which isn't much), though, that isn't always a option for some areas, and since your playing with fire, safety first. 🙂

Copper nails also work, though you need like 30-40 of them for a good size stump, cover stump in a plastic bag, then about ..6months - year it will be really easy to get rid of what is left.

Another option is to use it as part of your landscape. They make nice stools... or have the kids paint designs on them to scare things away (ha!).
 
Stump grinder... I don't find them too expensive to rent if you have multiple stumps it is worth it. I rent a big Rayco locally for about $125 for 8 hours.

Make sure you call before you grind to make sure you don't hit any utilities. I generally grind mine as deep as I can which means the full 16 inches below grade that the grinder will get me... That means a lot of digging our around the stump. Smaller stumps I take to just a few inches.

I then get to watch all the mushrooms grow due to the high amount of organic matter decaying where the tree used to be.

So the message is, sometimes you have to spend a bit more to do something right, and expediently. 🙂
 
I go the 'bash it with an axe' route. Might take a couple tries. I had one in my yard where the root system just refused to die.
 
used it on a few stumps at my parents' old house, took ages for it to take effect but I guess it's quicker than nature alone.
 
I have 3 aspen stumps of about 12-15" diameter that are close to ground level. Used commercial drill (B&D battery unit failed) and 1/4" bit to put 4-5 holes in each 8" deep. Poured in stump mix 2 years ago. This spring repeated process. Could have gone to work on them with axe, maul/sledge and matock then. Was able to detect some rot when drilling new holes.

They will be ready for when I want to take out frustrations this year. 🙂 Get below ground level, and fill in with garden soil and then seed.
 
Yes, and it works extremely well. Follow the directions, wait a couple months and the stump becomes a pulpy mess you can just scoop out with your hands and throw away.
 
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