yee the CO2 is 2 cups sugar, 2 cups water and 1 table spoon of yeast but have a few i have 7 2ltr bottles in my grow room re-new them every few weeks it works brilliantly i was using these for 4 weeks for the veg phase but the plants are in flowering now and too big to move so i cant get to my...
good way to increase the yield is to tie down the branches everywhere receives more light and try crimping to shorten internodes and increase the bottom growth without having to top the plant all work well then the plant will be stockier not just tall might take bit longer to grow with crimping
[/ATTACH][/ATTACH][/ATTACH][/ATTACH][/ATTACH][/ATTACH][/ATTACH][/ATTACH][/ATTACH][/ATTACH][/ATTACH][/ATTACH]
these are all the same plant the others aint no good yet hope next grow is better lol