thank guys ,i have 9 phantom tetras, a rainbow and plec in it now. i plan on adding 6 or 7 corys and 2 angels in a week or so. the substrate is seachem flourite and home depot sand. i'm gonna add some more anubia nana soon and upgrade the lights to ah suppy's 2 x 55w retro kit - their lights are great . i've had them on a planted 10 gal