I'm running 5x20W 2700K and 2x23W 6500K for flowering. I thought that they prob still need the blue spectrum so I took one out and added two 2700K.

So veg I had: 3x23W 6500K, 3x20W 2700k.
Flowering: 5x20W 2700K, 2x23W 6500K.

But hey, I'm no expert :P

Goodluck