I have an 8 bulb 4 foot t-5 fixture. That's 40,000 lumens that I'm using in a 2 x5 space with 10 plants. It's in my closet and I have hight limitations. I'm wondering if I should use 3000k bulbs in all 8 slots or if I should mix half and half or what. I'm at the end of week 2 of blooming and...