Originally Posted by PSO 3
My subtrate is caribsea floramax with small gravel on top. And i dont have co2, the person at my lfs said I wouldn't need it. Should i think about getting some? I do though give it API leaf zone plant food.
Depends on the amount of light you have. If its low light, then you dont need it. Anythign else, I reccommend it. Low light tanks grow very slowly. If you begin to see algae issues, you may need CO2 + ferts...