plants grow faster with the 'cool' blue wavelengths, and flower best under the 'warm' red wavelengths ... while blue is not good for flowering, red is OK for vegging, too ... I use a sodium lamp (warm, red) from seed to harvest ... :smokin:
the image reaper Reviewed by the image reaper on . CFL, Cool white vs Warm glow Ok i think i kinda discoverd something for myself, but im not sure if it is common knowledge. I setup a grow cab and have been growing for almost a month. I mixed in some Cool white bulbs with Warm glow bulbs and have noticed that the plants that I Have the warm glow bulbs on have grown almost twice as fast as the ones in the back. Even though there is almost twice as many lumens on the 47w bulbs as opposed to the 27W cool white bulbs. My plants always turn towards the cool white bulbs also, Is Rating: 5