There are many different type of florescent lights bulbs and you need the correct bulb for the proper cycle of growing. Warm bulbs are (2700k) are best for general growth and flowering. Cool bulbs (6500k) are best for seedling, cloning and vegetative growth.

If they do not have those ratings then get some that do.
Zandor Reviewed by Zandor on . how many watts? how many watts would it take to make a plant flower in a reasonable about of time? like a minimum amount? Rating: 5