New To Co2

[Warrey123]

totally new to all this co2 stuff, anyone give me some help?
i have a 150L tank and im putting around 50-60 plants in so ive been told to use co2,
which one would be best for me? dont want to spend big money but something that will do the job.
 
thanks 

 

[SLIM]

You dont NEED co2 depending on which plants you wish to grow. But to give you an idea, check out my link below..
Pressurized co2 equipment flow and fertilization