Not sure I understand your question but if you're asking about green and red bulbs they are not for growing. Yes a green bulb can be used to work in room. I don't know what you'd do with a red light. The reason a plant looks green is because that's the wavelength it reflects and does not absorb.
grey1223 Reviewed by grey1223 on . GReen vs Red im just wondering if green lights even work for growing or if reds better...leaving all fluros and everything else out i just want to know what is better between the 2 and if there is any advantages to a red light:rastasmoke: Rating: 5