NO DIY substrate. lol.. its more trouble then its worth.
anyways, i need some opinions on tank size. my options are:
40 Breeder, 36 x 18 x 16''
40 Long, 48 x 12 x 16''
45 Gallon, 36 x 12 x 23 ''
45 Long , 48 x 12 x 19''
50 Gallon, 36 x19 x19''
55 Gallon, 48 x 12 x 21''
which would be better and why?