A nice blend that i ve used is two 5500k per one 3700k.
Cool white fluorescent bulbs for growing.
Cool white is like that but a bit more bluish.
Ge high output rapid start recessed double contact 55 watt 48 in recessed double contact t12 4100 k cool white fluorescent light bulb.
Warm white soft white 2700 3000k.
Philips 54 watt 46 in.
Ge 40 watt 48 in medium bi pin t12 6500 k natural daylight fluorescent light bulb 12 pack item 903829.
Cool and warm white bulbs are less.
Let s quickly summarize which fluorescent lamps are best whether you are interested in getting cfls or t5 lights.
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Cool white bright white 3500 4100k bulbs in this range are in the middle ground and are often not very optimal for either the vegetative or flowering phase of a plant s life cycle.
I recommend staying away from lights in this range or just using 1 2 in supplement to bulbs in the other two ranges.
A combination of cool or warm white t8 fluorescent bulbs and t8 full spectrum or grow bulbs can be used to provide sufficient light in all of the spectrums.
Another fluorescent bulb that is recommended to have an optimal result on the growth is choosing a light bulb that ranges from cool white or cool which aids in the vegetative growth of the marijuana plant.
Best fluorescent grow lights.
Warm white mixed in would provide some of the red rays that plants like to help stimulate flowering.
How to grow marijuana using cfl fluorescent bulbs and lights.
To answer the question any of these would work but the optimum of these cheaper sorts would the the daylight or true cool white.
Combining a warm white tube with a cool white in the same fixture will give the same results as a pair of special grow lights the best are probably 4 foot long shop lights.
They are readily available reasonably priced and work well for seedlings.
Pick from t 5 linear fluorescent tubes t 8 linear fluorescent tubes t 8 u bent fluorescent tubes t 12 linear fluorescent tubes t 12 u bent fluorescent tubes and safety coated linear fluorescent tubes.
Fluorescent lights for marijuana.
No need to switch lights.
You just need to get some cool white or daylight bulbs and use them all the time.
For pricing and availability.
Pick from circline fluorescent lamps t 4 ultra slim fluorescent tubes t 5 linear fluorescent tubes t 8 linear fluorescent tubes t 8 u bent fluorescent tubes t 12 linear fluorescent tubes t 12 u bent fluorescent tubes and safety coated linear fluorescent tubes.
Fluorescent lights and growing weed.
High output linear t5 fluorescent tube light bulb cool white 4100k 1 bulb model 414193 9 44 9 44.