snails eat algae and aquatic plants
Algae, so you don't really need to feed them as they "feed" themselves.
Well, snails just kinda....eat. I am taking care of snails currently right now, and have fed them lettuce, and I have noticed that they kind of "bite" into the lettuce, as if they have teeth. You can...
lol jk i guess just like sea grass and what not.
Slowly.