http://forum.aqua-fish.net/ A forum devoted to aquarium fish, plants, techniques and fish keeping as a whole. en http://forum.aqua-fish.net/?topic=advice_#1 Hi, I'm a newbie. I need some advice on how to prevent columbian tetras like this: http://www.aquariumfishexperts.com/tropical-fish-fish/tetras/hyphessobrycon-ecuadorensis-columbian-tetra/ from dying. petergriffin 2009-11-13