I think most people who don't think it works do not follow the instructions. Three things MUST be done for successful results.
1. Application rate designed for square footage (area) of treated areas.
2. TIME OF APPLICATION! Most important. Do not expect this product to work after you have a forest of weeds growing in your driveway. This product is designed to PREVENT emergence of broad leaf, and with higher concentrations upon application, most any kind of plant you don't want growing in your parking lot, driveway, rock garden etc. etc.
3. Also VERY important. You have to apply this product, at proper concentrations, at the proper time of year, and make sure you also have at least 1/4" - 1/2" rainfall in the next two or three days, and if not, water it yourself.
Read and follow instructions..... I love this product, but I know how much, what time of year, and how to "put it to bed" properly after I followed 1 & 2 above.
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