Quote Originally Posted by Fugitive
Zandor , do you think the yeast in a litre bottle method could be used with CFL or do you need a HPS of some sort , thanks.
NO CFL do not produce enough light for the plant to process the extra amount of CO² you are trying to give it.

Sorry
Zandor Reviewed by Zandor on . CO2 question I've been reading up on co2 supplementation and was wondering if it was worth doing. I'll be switching to 12/12 this coming Sunday. Upon further research I read that pumping up the CO2 during the flowering process drained the potency. Any advice would be helpful. Here are a few particulars of my set up Growing: Master Kush Qty: 5 plants Lighting: 600w HPS Medium: Soil I nute every 2 weeks PH: 6.5-7.0 Rating: 5