I've also been curious about this. In other threads about it most people say it's still cheaper to just get an actual c02 set up. But I'd still like to know how well they work.
Mnoutdoorz Reviewed by Mnoutdoorz on . co2boost does it work have anyone heard and used this product called co2boost and can u use it in like a box or cabinet grow and those who dont know of the product here the link to it http://www.co2boost.com/home.aspx Rating: 5