HELP!!!How many cfl bulbs is enough for 2x4 tent

Ganjamandan77

Ganjamandan77

Active Member
A 2x4 tent is good for veg. But i use t5 bulbs instead of CFL. The cfl bulbs dont really put out a lot of light. I had 3, 100 watt Agrobrite bulbs in my 2x4 tent, I'm glad i switched and went with 8 25 watt t5 bulbs at 2 foot long. Better light penetration through the canopy that way. Also, in my travels around the inter web i found more suppliers of quality t5 bulbs over CFL with a built in ballist. But if going with a CFL is what you want i would look into the 250 watt bulbs put out by Agrobrite. They have them in both 2700k and 6500k.
 
B

budman410

Well-Known Member
Same with these guys I’ll say LED, it takes a little research to get the right ones. If your lazy then just go cmh. Never tried it but less heat then hps so it should be good
 
GBAUTO

GBAUTO

Well-Known Member
You may be able to deliver enough light using cfl's to veg a plant but it won't flower very well.
Using power metrics is a useful tool to estimate 'how much'.
Current tech leds-30 watts/sq ft
HID(CMH, HPS) and 'blurple' leds-50 watts/ sq ft
CFL- 60-70 watts(actual)/ sq ft.
 
trowertripper

trowertripper

Member
i use cfls for my mother plants and clone babies but when flowering use leds screw in bulbs with the globes removed. Feit 100 watts in 2700k. i use twelve of the 1500 lumens for a space 2'x2.5'
 
CoB_nUt

CoB_nUt

Well-Known Member
If you are set on screw in bulbs grab some screw in led bulbs and construct a frame to hold them. They veg and flower well. Look up SILs (screw in leds)on icmag. A lot Of info and full grows with them over there.

I veg with the 9 watters,in a 2x4.
 
insomnia65

insomnia65

Well-Known Member
CoB_nUt said:
If you are set on screw in bulbs grab some screw in led bulbs and construct a frame to hold them. They veg and flower well. Look up SILs (screw in leds)on icmag. A lot Of info and full grows with them over there.

I veg with the 9 watters,in a 2x4.
Click to expand...
How many of these 9 watts please.
 
Budzbuddha

Budzbuddha

Well-Known Member
If hard set on FLOURO lamps , they do grow plants pretty well for what they are. I still use an 8 T5 lamp rig with mixed bulbs for tray starts / clones and rooters . So there are T5 rigs out there.

But if you are looking at serious growing .... CMH , HPS , LED ( bars / strips / boards ) , COBS
You will be doing a disservice to your plants if you skimp out on lighting. I used to do cfl for single early plant starts but you will do much better with appropiate lighting.
 
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