Are CO2 tanks absolutely necessary to have a sucessful planted tank?
Anybody ever see a planted tank that looked good without a CO2 tank?
Anybody ever see a planted tank that looked good without a CO2 tank?
Are CO2 tanks absolutely necessary to have a sucessful planted tank?
But it also depends on the plant species. Anybody ever see a planted tank that looked good without a CO2 tank?
But make up your own mind and check out my gallery.... no CO2 ...