What colour/kind/shade of CFL should I use?

Hey Chriss2525. You want 6500k (DayLight) bulbs for vegging and 2700k (Soft White) for Flowering. I know that Super Target has the 23watt one on sale 2 for 4.88! Each place has their own brands just look at the K (kelvin) number and the acutal wattage. Some brands differ in the lumen per watt so just look for the best they have.

go for 125w +cfl bulbs i use them cfl super lamps 250w same as 1040w ov t5 flouro tubes

Chriss2525 said:

I was thinking natural would work best. because its a very bright glow best represents the sun.

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you are correct, the addition of warm white helps stimulate flowering when you get to that stage, cool white are useless. https://www.rollitup.org/attachments/cfl-growing/240662d1226605588-5000k-vs-6500k-hortgraph2.gif

Farthest to the right in the picture for veggation which is around the blue part of the color light spectrum.
Now, for flowering, you sould use the one farthest to the left which is around the red/orange of the color light spectrum.
You should also 43W CFL which is equal to a 150W normal light bulb.