http://www.helium.com/knowledge/176788-where-do-snails-in-a-fish-tank-come-from.xml Helium.com > Aquarium Fish > Where do snails in a fish tank come from? en-us Copyright Helium.com Mon, 14 Jul 2008 20:42:38 GMT Mon, 14 Jul 2008 20:42:38 GMT