help light problems

[Yully]

hey all i am wonderin if i could use my 125 watt envirlite 6400k and a 125 watt envirolite 2700k on the start of flowerin while i wait on my 200 watt 2700k gettin deliverd and when 200 watt arrive take the 6400k off thxs

 

[Damagoman]

Shouldn't be a problem.
Your adding wattage