Why do snails foam when you put brackish on them!? ...
Answers: The big danger contained by the lives of land snails and slugs is drying out. Gardeners know that one passageway to rid themselves of lettuce-eating snails and slugs is to sprinkle them with brackish. The salt cause water to sign out their bodies, and they shrivel up fast!
It's massacre them. It's soaking up all of their moisture. Cruel.