We have Poison Ivy all over our yard, since I am extremely allergic I want it gone. I bought some round up that was supposed to be for poison ivy and of course ran out of spray way before I was done spraying. I found a recipe for 1 gallon of vinegar, 1 cup of salt, and 8 drops of dish soap. You have to heat the vinegar up just a little to dissolve the salt but it works great better than the round up I had used!!!