OK...started my planted tank finally...things are going well. One of the plants I bought was acorus. Someone informed me that acorus is not a "true" aquatic plant and would have a limited life span. I've done some research and found a lot of agreement with that statement. I've also noticed that it's a favorite treat of my guppies and lemon tetras. Anyway, I really like the way it looks. Anyone have any suggestions for something that will do better but still has the same "stiff grassy" look?