I made a growbox with CFL bulbs and am having trouble with heat. I started with 5 nice seedlings under one ob those cheap Wally World grow lights and they were doing very well. Then last night I built a growbox, lined it with foil tape, and started with 4 red spectrum and 2 blue (I'm gonna skip veg) when I woke up 4 were burnt and dried crispy!! I have the lights about 4 inches away. Its really hot and I'm not sure what size fan or hole to use. The box is 3 1/2' tallx18"wx1'deep. Thank you for any help you can provide
I cut the light down to 2 red and 2 blue untill I figure this out. The light is on 24/0 for my first 2 weeks at least.
I cut the light down to 2 red and 2 blue untill I figure this out. The light is on 24/0 for my first 2 weeks at least.