current cfl grow 3 weeks flowering

currently have 5 23watt 2700k 1600 lumens each and a 42watt 2700k 2800 lumens. plants are at 3 weeks flowering. started flowering june 14th. was expecting to be done with grow right round august 14th. i was wanting to add bone meal is it too late to add bone meal. anything that could help me increase my yield or any information is highly appreciated.

started my neutes at 10 days into flower ur good bro on addind bone meal mine started flowering june 15th and im runnnin 161 watts cfl

im also using flurobloom nutrients from general hydroponics. is it bad to use hydroponic nutrients in soil