i put a piece of "cork" driftwood in my 5.5g with White Clouds, an Otto, and a Snail. well i just noticed that the water is clouded and tinted brown! 
WTF!!
apparently i dont need to take the driftwood out.
i do kinda like the way it looks...all natural and stuff...just dont wanna harm my fish

WTF!!
apparently i dont need to take the driftwood out.
i do kinda like the way it looks...all natural and stuff...just dont wanna harm my fish
those are just tannins. usually if you boil the piece of wood you can get most of it out. but it will disapear sooner or later.