What do u recon

im growng super lemon haze veged for 8 weeks in coco in 20 liter pot about to transplant into 40 liter bucket i topped and lst its got a 10 branches with lots of smaller branches coming up i lolipoped its 25 inches tall very bushy on top its under 600w aircooled lamp temps are excellent the canopy is nice and even had a little toxicity of some sort for a week (suspected K) but its fully recovered providing everything goes well what would you roughly say im looking at im trying to maximise yeild i got space and add more light what do you think