Rocketman, the alum will kill the snails. I have swished bought plants around in a jar of alum water and immediately itty bitty snails fell off to the bottom of the jar. A 2 day soak will also kill the eggs.
quick061 said:man that's strange. what's the best way to keep snails out of your filters? i ask because i've just bought a 404 as my first canister and never had experience with them before. any advice would be great!
thats what I call an invasive species
That's nuts.