So my LFS ordered some Green Terrors for me (they haven't been around much lately). They came in at 2" so I decided to get two. I will be putting them in my 75 with my 3" red dot severum and some fire mouths. I know a pair of GT need 100 gallons or more. But I hear they are very slow growers anyone know how long I have before I have to upgrade or get rid of one?

