We&#39;re sorry to read about your disappointment with Roundup Weed &amp; Grass Killer4 with Concentrate Refill and appreciate your feedback. <br /><br />Even though this is a non-selective weed control, some weeds, like weeds with a waxy surface, are more difficult to control. Also if the weed is mature, no matter what weed, it will be more difficult to control. It is helpful to use any weed control when weeds are young and tender. While weeds will begin to wilt within hours after an application, a complete kill may take 1-2 weeks. If needed, this product can be reapplied after 28 days. <br /><br />We want you to be confident in our products. For this reason, we offer a product guarantee. If for any reason you, the consumer, are not satisfied with the results after using this product, you are entitled to get your money back. Limitations apply. At your earliest convenience, please reach out to us at 866-324-2647 if we can further assist.

Hi Wilhelm, we&#39;re sorry to read about your disappointment with Roundup Weed &amp; Grass Killer and appreciate your feedback. <br /><br />We recommend to apply when temperatures are between 60°F and 85°F. Weeds with a waxy surface and mature weeds, are more difficult to control. It is helpful to use any weed control when weeds are young and tender. To get the best results plant leaves must be thoroughly and uniformly. A complete kill may take 1-2 weeks. Can be reapplied after 28 days. <br /><br />We want you to be confident in our products. For this reason, we offer a product guarantee. If for any reason you, the consumer, are not satisfied with the results after using this product, you are entitled to get your money back. Limitations apply. At your earliest convenience, please reach out to us at 866-324-2647 if we can further assist.

We&#39;re truly sorry to hear that you were disappointed with Roundup Weed and Grass Killer4. We appreciate you taking the time to share your feedback with us.<br /><br />For best results, apply when weeds are actively growing and the air temperature is above 60°F. Generally, applications are best made when temperatures are between 60°F and 85°F.<br /><br />We want you to feel confident in our products, and your satisfaction is important to us. That&#39;s why we offer a product guarantee: If, for any reason, you, the consumer, are not satisfied with the results after using this product, you are entitled to a refund, with certain limitations applying. Please reach out to us at 866-324-2647 at your earliest convenience if you need further assistance.

Hi, we&#39;re sorry to read about your disappointment with Roundup Weed &amp; Grass Killer and appreciate your feedback. <br /><br />We recommend to apply when temperatures are between 60°F and 85°F. Weeds with a waxy surface, and mature weeds are more difficult to control. It is helpful to use any weed control when weeds are young and tender. To get the best results plant leaves must be thoroughly and uniformly covered. A complete kill may take 1-2 weeks. Can be reapplied after 28 days. <br /><br />We want you to be confident in our products. For this reason, we offer a product guarantee. If for any reason you, the consumer, are not satisfied with the results after using this product, you are entitled to get your money back. Limitations apply. At your earliest convenience, please reach out to us at 866-324-2647 if we can further assist.

We&#39;re sorry to read about your disappointment with Roundup Weed &amp; Grass Killer4 and appreciate your feedback. <br /><br />Apply when weeds are actively growing and when the temperature is above 60°F. When applied according to directions this will control the listed weeds. Mature weeds may need more than one application. Complete kill can take 1-2 weeks.<br /><br />We want you to be confident in our products. For this reason, we offer a product guarantee. If for any reason you, the consumer, are not satisfied with the results after using this product, you are entitled to get your money back. Limitations apply. At your earliest convenience, please reach out to us at 866-324-2647 if we can further assist.

We're sorry to read about your disappointment with Roundup Weed & Grass Killer4 with Concentrate and appreciate your feedback. Be sure to apply the product when your daytime high temperatures are consistently between 60 to 85°F. Since Roundup Weed & Grass Killer4 with Concentrate is absorbed through the weed's foliage, we recommend that the weeds not be mowed or cut for 7 days both before and after the product application. This product will only kill weeds that are actively growing at the time of application, and cannot prevent new weeds from germinating.We want you to be confident in our products. For this reason, we offer a product guarantee. If for any reason you, the consumer, are not satisfied with the results after using this product, you are entitled to get your money back. Limitations apply. At your earliest convenience, please reach out to us at 866-324-2647 if we can further assist.