exhaust should be at the top of a grow space and fans down low, to knock plants around some, stir up the air.
polishpollack Reviewed by polishpollack on . Yellowing leafs These two bagseeds were planted on the 26th.I have a 115w CFL 2100k (wrong spectrum, i know) and a 20w 5xxxk to balence it out a bit.I have 2pc fans obe for intake one for blowing the plants.SHOULD IT BLOW DIRECT ON THE PLANTS. I gave the a light dose of nutes yesterday,but i useualy dont start untill the 2nd week. ANY HELP!!!!! Rating: 5