Graph below show rainfastness of Credit Xtreme compared to Roundup PowerMAX and Roundup WeatherMAX. In the research study (independent research; application at recommended label rates), rain was applied 60 minutes after each product was applied and percent control was measured after 21 days. Credit Xtreme performed at 85% or better on all species. And on tough-to-control lambsquarter and redroot pigweed, Credit Xtreme is performing at the same level or better than the Roundup brands. See chart below for more in-depth information.