Cfl lights

You will need more wattage of cfl to do the same thing the 400w hps does.

It will be nowhere near the same and it will be hotter.

So if its heat that's the issue you need to look at the basics of your set up
 
You can grow great weed with a 400 watt HPS. If you're failing it isn't due to the light.
Cant figure out height for hps and was given wrong advice and stunted my plant plus shit soil just screwed everything.New coco soil last Tuesday and Thursday gave the a drink of liguid root stimulator and put light at 3ft instead of 18"..Plant is month old and pics are 4days apart and growing much better but not sure when to lower light.
 

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Save yourself a lot of trouble and do not get fluorescent lighting. Maybe for some fresh cut clones or seedling but that’s about all it’s good for.
Ive got a 6day old seedling under a cfl and led spectrum fish tank light and a blue led grow light all up about 4300lumens.is that safe.Dont know strain but seed is ancient and not sure when to put under hps
 

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