How to kill aquarium snails. Some aquarium snails are great additions to your tanks - but not so the snails you didn't choose! Pest aquarium snails reproduce like crazy and are hard to get rid of. I'm going to give you a few ways to kill the pest snails in your fish tank. . . . . . #snail #snails #aquariumsnail #tankon #aquarium #aquariums #aquascape #aquascaping #aquariumplants #scape #aquariumhobby #fishtank #freshwateraquarium #plants #plantlife #planted #plantedtank #plantedaquarium #aquasca