SSJTWIZTA

i think it only turns to poisonous gas if you mix it with something that contains ammonia (ever pee in a toilet with bleach in the bowl? bah).

to the OP. you would probably be better off buying a weed killer or simply doing it by hand.

__________________
First they came for the Jews and I did not speak out because I was not a Jew.
Then they came for the communists and I did not speak out because I was not a communist.
Then they came for the trade unionists and I did not speak out because I was not a trade unionist
Then they came for me And there was no one left to speak out for me.
-Pastor Martin Niemoller