Does beer really kill snails, and can it be used as a insecticide? if not then what can I use to take care of my snail infestation?
Yes, in Washington I used stale beer to attract slugs before they ate my rhododendrons, salt water works too or just salt. They drown in beer, and dehydrate in the salt.
Salt is used to kill snails
My grandfather swore by it, he used to pour some in aluminum pie tins and set them all around in his garden.
They crawl in and drown.