Pro Crabgrass & Grassy Weed Killer - 18.92% Quinclorac (Compare to Drive XLR8) – Concentrated Professional Crabgrass Herbicide – Quick Drying with Residual Control - 8 Ounces

Yeah, I've got a bunch of it too. I'm using Celcius and then spot spraying this stuff: https://www.amazon.com/dp/B0G2YYCNSC?ref=ppx_yo2ov_dt_b_fed_asin_title Not sure which, but one of them is working.