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i've attached a pic of the roots. it's not very good, difficult picture to take by myself. they look healthy and white. the one weird thing is they seem to be growing only out of one side of the rockwool. (maybe because of the position of the water pump) the water temp is 70 degrees. i'm...

hey y'all. so i built my own box out of a dresser. i've had many problems with it. it's about 9 cubic feet, 2 ft by 1.5 ft area. originally, i had 12 cfls (2 daylight, 10 2700 type). i had two intake fans that were about 3 inches (pc fans), and one 4 inch pc fan for exhaust. the temperature...