well you light is too high to be doing DIY CO2. high light and an imporper balance of ferts is prolly the culprit of the algae. With the light that high to avoid algae you would probably have to switch to a pressurized system and get your ferts in order and that willpretty much stop algae. In the mean time you should prune the leaves that have the algae, reduce the light until you get ferts inorder, and reduce the photo period to 8 hours instead of 10 once you get the ferts in order along with the co2 you can move it back up to 10 hours. Thats just what i would do. Hope this helps
|