mars hydro 1600w led

I have a beautiful plant going right now I beileve it to be the limited cross of og cookies x cherry pie strain name birthday cake kush ,seed popped right out of some top shelf birthday cake kush from a local care giver in my area had to grow her .. Seen clones going for 100$..? Some rare stuff...

Any advice on distance from plants or anything when using "Mars Hydro" 1600W LED lights? It does have the veg & bloom selective switches, has anyone done a combo of both when vegging and flowering? 18-6 light cycle of combo? 18-6 light cycle of just veg? (when vegging) 12/12 light cycle of...