be careful with ghetto co2...you can fry them just like overferting...It can be done, but experiment and get a light dosing figured out.

The pellets are expensive, but if you used them in smaller doses, I think you could go by the belief that any extra co2 is a good thing.

I have heard about the carbonated water and a couple people claimed they could see results, but I too take the path of ...Not me.