How to Remove Lips Quiz Please sign up for the course before taking this quiz. After removing a lip from the turfgrass edge, you should use a field rake to disperse grass and debris back into the infield skin, making it blend in with existing topdressing.1 True False Blasting the lip out using the hydrowash method during the hottest days of the summer in June, July or August can expose the crown of the turfgrass plant, making the turf edge vulnerable to brownouts. When is the best time to use the hydrowash method?1 Mid-afternoon when the sun is its hottest to help dry the infield soil after hydrowash. One hour before game time, usually on a Wednesday so you establish a routine. Cool, cloudy days are best. You’ve found a medium-sized lip. It has become glued to your infield turf from rainfall and irrigation. What is best way to get rid of this established lip?1 Wait until the off-season when major field renovation can be done. Grab a gas powered sod cutter and remove the lip and turfgrass edge with it. Find the largest roller and mash the soil back to an even grade. Use a sharpened rake to shave the lip from the turfgrass edge.