Sometimes I test various brands and combinations of herbicides and surfactants. A neighbor has a weedy vacant lot he just mows. So...July 26 I tested 4 products on an area almost solid with ground ivy. Plus a few oxalis and violets. And OMG! A 4 ft by 4 area that I treated with Eliminate at 4 times regular strength, plus crop oil was the first to respond. At 12 hours the area turned black. Eliminate at 2 times regular rate plus crop oil was dark--second place. Stay tuned, I want to see if any grass survives. Other products tested, Surge, plus silicone surfactant, also Confront with silicone surfactant (like Lesco Hawkeye). Anybody want to see pictures?