Plants need CO2 for their growth. During the day, when there is light, plants absorb CO2 and produce oxygen. During the night this process reverses, CO2 is released and oxygen absorbed.

The CO2 Profi Set is a complete CO2 system with a disposable 800gm bottle.

This set comes complete with a 800 gr disposible cyclinder which is easy, safe and economical to use. It has a high quality precision regulator and a 3 in 1 CO2 diffusor with a

Plants only absorb CO2 when your lights are on, so there is no point in adding gas at night time. Not only is it wasteful, but carbon dioxide binds to oxygen and you can cause major distress or death in your livestock.