correct, the flowering onset is triggered by the hours of light, the red spectrum just helps flowering, by imitating how the Fall sun's wavelength changes as it lowers on the horizon ... I vegged and flowered for years with only blue lights (not knowing, red would have been better) ... but, why you would want blue light during flowering (after you know red is more effective, is beyond me) ... either way, best of luck to ya :smokin:
the image reaper Reviewed by the image reaper on . Blue light after 'dark'? Has anyone here tried using pure blue light (LED or actinic fluoro) during the 'dark' or night phase when in 12/12 light cycle to keep photosynthesis going without interrrupting the flowering phase? I have one of the newer 50 watt blue LED panels and may give it a try, but would like to get some feedback first. Rating: 5