Okay so this is my first grow and im so excited I mean who would't be. Im 4 weeks into veg using 4' 4 bulb T5HO FFOF soil and just started last week with 1/4 strength big grow. My bulbs at about 2"-4" away frow tops causes (at the hottest) 85 deg F but the top of the box is is between 77-81 deg F. I have tho 6" inline ductor boosters as the exaust ( one on top and one on the backside wall). The intake is just one of those 6" fans rated at 250 CFM (dont think it is but it works.) When the door closes the exaust fans slow down a bit causing me to think i need to at another intake. I have to also turn on 2 other single bulb T5 HO mounted horizontally that I am using for flowering due to what i've read on lack of light getting through the canopy to lower parts of the plants. This will also raise the temps a bit but the 4' 4 bulb T5 will be closer to the exaust causing the hot air to be drawn out faster. There is two 6" clip fan blowing on the tops and bulbs which is more than efficent plus exchanging air in the box rather well. Box is 2' x 4' x 4.5'

Is that temp too high on the tops?? Should I raise the light?

Plants look healthy and strong and within a week the roots filled up the 6" sq pot I transplanted them to after the 4" sq pot i started them in. a couple of root heads pealed out of the drain hole and turned gray and crusted up. I am not able to get to the garden store till tomorrow and want to know if these root tips will spring back to health when transplanted or if i need to cut them off.

When size pot should I transplant to I was thinking a gallon and a half sq pot.


Thanks:thumbsup:
xxxnick89xxx Reviewed by xxxnick89xxx on . Temperature/ Root Problem Okay so this is my first grow and im so excited I mean who would't be. Im 4 weeks into veg using 4' 4 bulb T5HO FFOF soil and just started last week with 1/4 strength big grow. My bulbs at about 2"-4" away frow tops causes (at the hottest) 85 deg F but the top of the box is is between 77-81 deg F. I have tho 6" inline ductor boosters as the exaust ( one on top and one on the backside wall). The intake is just one of those 6" fans rated at 250 CFM (dont think it is but it works.) When the door Rating: 5