Customer Reviews for Killzall Weed and Grass Killer - 41% Glyphosate

I mixed the Killzall as directed and it did the job very well. I recommend this product.

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Oh gee, this magic chemical really kills it all, it takes like a week or two for the weeds to die, a softly killing process like literally dead in 10 days. I did wished that I found this before and save lots of effort and energy spraying those heavy duty weeds in my yard that didn't work Lol. I'll buy it again in the nearest future, thank you!

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Years ago I purchase products to kill weeds and learned that the 41% Glyphosate was needed to do the best job. There was a Lowe's store near me that carried it then and now they don't so I search other stores online, didn't want to waste the gas driving to them if they didn't have it and could find one that did. So I went online and entered the web site for Killzall Weed and Grass Killer - 41% Glyphosate and found a place to order it so did. As I said, IT WORKS, where round-up and the others do not as their percentage of the killing ingredient are so low that it does not get down into the roots and that is what this product does. Takes 5-7 days but spray and then leave, do NOT pull out the weed as it takes time for the killing agent to seep down into the root.

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Kills weeds quickly. As for grass, the jury is still out. Waiting to see how much longer, and if second application is required. To be continued.

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great product, good value, quick shipping, order came exactly as described

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Both products I have purchased did exactly as described. Will always use your company

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Round Up has included a second chemical, Diquat, that was previously restricted b/o toxicity. This second chemical slows the effectiveness of glyphosate and, most importantly, extends the effect on surrounding plants. The beauty of glyphosate was that it could be used in beds.

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Did kill the weeds if anything got greener and they grew.

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This does a nice job on killing everything on my walkways where both broadleaf and grass sprouts. You have to be careful around the edges as rain will move it out into the grass and kill it leaving brown spots. So don't spray it right up to the edge.

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I purchased this to eliminate a tree of heaven. It worked to perfection.

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Works as advertised, great product for weed killer

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Works OK on the weeds have to use way more than recommend. It works great on the grass

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The first time I used this I thought it was not working. After a week, the weeds and grass looked healthier than ever. Did I accidentally spray fertilizer? However, after about 2 weeks everything I sprayed was dead, very dead. So, just be patient and it should kill anything green you sprayed.

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VERY slow acting. I had to do two coats and still not 100% kill. I would upload a picture for reference but no way to do so.

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I like ordering products from this company, I get what I ordered very quickly. I used this product and it did exactly what it was purchased for. Thank you.

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It took several days to work, but all the weeds and grass growing up through my gravel driveway are dead as a hammer now

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It did not do as stated I mixed according to instructions with no results. I added more product to the mix and the results were very disappointing

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Absolutely in awe as to how well this worked. Within two days all weeds were gone. What an amazing find. So glad this just popped as I was looking for another product.

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Works great.. I do all the edges of my lawn so I don’t have to trim and get right up next to the fence or stone.

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It killed the grass and sprayed bushes within five -seven days

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One of the main reasons I bought this particular product was that it was cheaper than other products like it since the recommended amount per gallon was far smaller. Simply put the recommended amount per gallon is ineffective at killing weeds even with temperatures in the high 70s

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Roundup used to start killing in a couple hours and the next morning everything it touched was dead. This stuff is advertised as the original chemical but I am not sure. Yes it finally killed the weeds after a couple weeks but it took two applications and a doubling of the strength on the second application. It might have worked without the second application but after a week staring at green weeds I was just not feeling that it would.

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It took a little longer than I expected (a few days) to start showing an impact, but eventually within a week or so the Kilzall killed off most of the target plants that I'd sprayed. I didn't have 100% kill, but pretty good considering that I sprayed in non-ideal circumstances (mature crabgrass plants and very hot weather). I was pleased with the overall results.

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