I agree that they suck--big time suck. I invested a little a few years back on the supplies and jars, etc, and was soooo disappointed. It doesn't take much of anything to scent a car, for crying out loud, but I got nothing. I think I've still got the jars in all of my mess but ended up using the jelly crap in an area of my yard that doesn't get direct rain so that the soil would hold moisture. That's about all that stuff is good for, IMO. However, use caution. I bout busted my fat ass when I spilled a bunch on the pavement and got it wet.