Depends if your vegging or flowering.....For vegging, use the Daylight bulbs and for flowering, use the soft white.
Yes, it is possible. Some believe that having both increases the growth, usually having 2 to 1 of the 6500 for vegging and 2700 for flowering. Although most of the consensus is still that, it is best to have 6500 for vegging and 2700 for flowering.is it possibile to use both like two 6500 and 2 2700 and vegg and flower under both caus ethen lumens are increased an dhave both lighting is that possibil that whta am hoping to do