will plants preal w/o all of the right nutrients?? what i mean is will they pearl if there is only light and co2? i had some plants in a 10g with a lot of light and only co2 and they pearled a lot, but now that they are in my 55g they dont pearl... oh yeah, i ordered some plant food from big als last week and when my stuff gets here how much of a change should i see in my aponageton ulvaceus, rangeri sword, and giant hairgrass after about a week??? the stuff i bought is... seachem flourish trace (250 ml bottle) also, how long should it last for a 55g??? one more thing, i also bought some seachem flourish tabs, is that pretty much the same as the other stuff??