R reuben85 Member Mar 16, 2010 #1 im changing lights from cfl to 400 watt hps.how close should i put the light to the plants an where should i put the ballast im mean on what?an any other info. on growing an useing 400 watt hps.thanks
im changing lights from cfl to 400 watt hps.how close should i put the light to the plants an where should i put the ballast im mean on what?an any other info. on growing an useing 400 watt hps.thanks
