if you are able to deliver your plants with 1000-1400 ppm of C02 during its entire life during on light cycles and run a separate intake stream and exhaust from the area your plants are in you will see the greatest benefits of C02 addition.
Your girl is looking good sir!! Plant of the month contender!
I +reps you because Ive seen your controbutions to the forums. Your a Helper now Coke420...