HI! i i have a 34gl, 130l, freshwater tank i have had set up for four months now, it currently has :
20 neon tetras,
2 turqouise rainbowfish (that are 1 and a half to 2inches in size),
2 neon blue rainbow fish (same size as other rainbows),
2 Guppies, 2 blue lyre Killifish (1 female 1 male...