can i use 6500k and 2700k spectrum lights when i flower? i have 4 45 watt 6500k and 6 21 watt 2700k. can i use both to flower or just the 2700k???
Its better to use all spectrums while flowering but more RED spectrum. IE i have 1000W HPS and 400W MH over 4 plants yielding 10 oz each
You can use both.. I have used a ratio of 3:1 27K to 65k for flowering with good results.. assuming ur using cfl's