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

'I wound up using the whole bottle on just my 1/4 acre backyard alone over a week and you can't even tell .

  Expert response:
We apologize you did not achieve the intended results. It may take repeat applications to get complete control of all weeds depending on the type and maturity. We would welcome the opportunity to troubleshoot the application to help get you the results you need. Please contact us at your earliest convenience!

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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 used this to kill several weeds and grasses in our flower beds and driveway. Initially I thought it didn't work because I didn't see any results after the first week. However, by week 2, everything I sprayed started to die, and stayed dead. So, if you need to see results quickly for some reason, then Killzall might not be for you. However, if you're not in a hurry, this seems to work very well.

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

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This is a 10/10. I sprayed Killzall on my backyard that is full of weeds. I didn't see the results after 5 days as advertised on some videos but after 9-10 days all weeds were gone. I tried several other post-emergent weed killers in the past but nothing gave me the same results.

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Works as advertised, great product for weed killer

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