co2 is usually used in where there is temps 85 + to benefit
it may help a little

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Hey guys, I'm on my first grow and really dig CFLs. I was in Home Depot looking at bulbs. I saw the Philips T8 Daylight Deluxe (32w, 6500K, 2800 Lumens) and my question is would these be acceptable for vegging? Thanks for your help/input.

Great info dr. I feel it should also be said that even if you are growing with HPS or MH, it's a good idea to help supplement the HID light with CFLs of the opposite spectrum.

Those are ideal for vegging about 7 or 8 plants. Generally less the bigger they get, but you should be fine for a while with those.

I appreciate the post. Iam stating my first grow and still dont know how many cfls should i use for a 2x2x2 box, i was thinking 8 23 wat full spectrum bulbs for the veg than iam building a 5x5x6 room for flowering? Some inout would be nice.

This may sound like a silly question, but ive dug up five 23watt phillips CFLs but i cant find the kelvin rating anywhere on the packaging or bulb, all it says is 1550 lumen and E27, so im not to sure where i stand with these. Should i purchase some higher wattage online(i know i should and i will anyway) or are these ok to use on my seedlings until i get more or do i need to rush out and get stronger ones?

what is the most bud you can get from cfls. Is it possible on a 2.5 foot plant to get an ounce

QUESTION? Is it true to say you get more light penetration from the higher wattage CFLS's. I know penetration is just a few inches with CFL so the taller your plants get the less light down below.

The reason I ask is, I just got two mogul base lamps for about 1/3 normal retail price at Meijers and they also had the 150 Watt 6500 K bulbs in the box. Plus they had additional full spectrum bulbs for about $7.00 on clearance. Scooped up several of those and may go back for the rest. A 300 watt light system with extra bulbs for about $60. All I need is two 2700 K bulbs for flower now. Im going to scour the other outlets around here and see if they have some warm white bulbs for the same price. Now I can just side light with the old stuff and set up a seedling chamber with some smaller bulbs!

I have been using four 42 watt bulbs all the way through for three or four plants. In veg I used two cool whites in the mix. I got nice tops but buds down below were pitiful last grow even with some side lighting. So, I figure the lack of penetration can be made up for using LST training and the big watt mogul bases. What do you guys think.

I have a grow going in Organics called " Third Times the Charm" for anyone one interested in seeing what I am up to. I was going to get a 250 HPS but due to my good fortune on the mogul bases Im going to stay CFL for another round.

lots of good info!

thanks 2 all for the info!!! i still need to do more research but think im going to start my first garden using (2) 5 plant bubbleponics systems with (??) cfl lights...im not sure what type of lights i'll be using yet, but im sure cfl will best suit my needs! hopefully i'll be up and running in a few weeks! thanks again!