How To Grow Aquatic Plants Without A CO2 System! My article going into more detail - https://glassboxdiaries.com/aquarium-plants-no-co2/ Growing aquarium plants doesn’t always mean you need to invest in a pressurized CO2 system. In fact, there are several natural ways tanks already provide the carbon dioxide plants need to thrive, and by understanding how these processes work, you can set up a lush planted aquarium without the high cost or extra equipment. The first method is respiration. Every