u dont NEED to no....u dont NEED to use hps lights either....it just helpsYou say co2 levels are near double of those outside.....so, do we really need to create extra co2 (in a tent)?
if i had the space....i would....just for the hell of itCO2 supplementation is only beneficial when done properly. The way most do it with a bottle and baking soda, vinegar ect. is just wasting resources........somebody please do a side by side and show me the benefits from your little bottle of baking soda and vinegar......