This is the cheapest and easiest way to kill weeds...but be careful not to spray the leaves of plants you DON'T want to kill! Keep in mind, different weeds respond differently to this recipe. Some people will add epsom salt and a little dawn dish soap, but we have found this recipe to be very effective, especially on dandelions and crabgrass. 1. Pour vinegar in empty weed sprayer container. 2. Spray early on a SUNNY DAY with a forecast of clear skies for the next 24 hours (i