Just put my hopefully girls into flower. Room is 2'D x 4'L x 6'H and I have a 600 mh + hps cool tube and can filter with 190 cfm fan. Is this overkill? Also plants vegged for too long I think 2 months they are about 3' tall. Using bc products. Trying for 8oz out of 4 plants in drip type hydro...