I have one of the 10" 0-5000 cfm "Fresh maker" filters for around $205 (shipping included) from Greentrees Hydroponics and I attached it to a Fantech FKD10XL 1266 cfm inline fan ($230 on ebay !) for 4 separate 3.8x3.8x6.5 rooms. I am using 4 600 watt 6" air cooled hoods and a direct 6" duct...
demoreal is right. The enzyme which fixes carbon dioxide is called Rubisco. This is not produced in the roots, as photosynthesis is not active in roots (no light). Photosynthesis produces the energy that drives the process.
check this link...
Thanks for the post about the genetic variant in ak47 lowryder. I have 3 growing right now and I thought I had made a mistake and one had stretch while the other two are squatting extremely low. The taller of the 3 looks EXACTLY like yours. Anyways thanks again.