Quote:
Originally Posted by freydo  think of it this way...
co2 is like water to us and ferts are like breakfast, lunch and dinner to us.
you can live on just water for a short while, but you'll still be starving for nourishment. and will eventually perish.
plants are living entities and they need nourishment to survive. so do them a favour, provide the nourishment. |
Alright, I see what you're getting at, but can't I just give them none of both and they'll still do good? Because I have an ultra low light tank.