cfl lighting newb

I'm growing 3 Durban Poison plants under a 300 watt galaxy hydro. They're doing well under it but I'm switching to flower in a week and I'll need more light. I've been getting contradicting advise from people so I'm asking here. I'ts a small tent so I cant fit another LED in there, I do have a...

Hello, this'll be my first time growing with lights, im gonna go the cfl route how many would I need for one plant? And what watt should they all be? Thanks