then i'm not sure really, i've never used them and don't know exactly how they work but what abotu those CO2 tabs, if you just mix them in water then i'd say they won't work either

sorry bro
GrowinGreen23 Reviewed by GrowinGreen23 on . I guess I can't use co2 in my set up. Or can I? I finally have enough funds so that I can expand my set up and use co2. I have researched this and have heard varying reviews. Some say it doesn't really make that much difference, and some say it makes all the difference in the world. I thought I would see for myself. For my flowering stage I have a space about 3' x 3' x 8' tall, and I use an enclosed hood with a lot of air pumped over a 600W bulb. This air comes from a big inline fan that has a big filter on it, which filters out the weed Rating: 5