18/6 seems to give the best results for me. I have tried 24 hours, 20/4 and 16/8 and have always reverted back to 18/6. I have also observed a growth burst at night when the lights are off. If you go 24 hours you may have too high of a DLI if you don't adjust the lights.
18/6 seems to give the best results for me. I have tried 24 hours, 20/4 and 16/8 and have always reverted back to 18/6. I have also observed a growth burst at night when the lights are off. If you go 24 hours you may have too high of a DLI if you don't adjust the lights.