I have a 25in autoflower (Berry Ryder) with 2 23w 2700k, A Critical Jack Herer mother and 6 clones with 5 23w 6500k. All are in a 4x4x6 doing awsome. Also a Black Russian in a 3x3x6 with 1 55w 2700k(in flowering) My first as well but honestly just let your ladies tell you what they want. Works...