Stealthgroguy
Member
I try to avoid blurple lights if I have to use them I get other white led bulbs around them to try and straighten the spectrum out and to answer your question about both light switches yes use both while flowering all red light you will have fluffy stretched out buds with no density to them all blue going to have rock hard popcorn buds both together gets them where they almost need to be but I'm a strong believer in full spectrum because it works best for my grows