I have one f those widow fans with 2 fans in it blowing directly on the top and bottom of her.
Im using a 250w in a cool tube and the light is about 8 in from the tops and my temps hover around 72-77 and my RH stay in between 40%-50%.
I thought it could possibly be a lock out. do u think I should try a flush with some Epsom salt?
Probably not heat then, I keep my bare bulb 5 inches or so. I would maybe guess PH then. Have you
checked your runoff? What growing medium are you using?
PH problems can cause all kinds of leaf mutations and nutrient lockouts. When flushing, if not
using a flushing agent, a weak nutrient solution works very well. Flush with 1/2 to 1 gal of eighth
to quarter strength nutes, then follow with 2x container size of PH'ed plain water.
How do you support you screen/net?
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I used 1/8 inch diameter metal rods, bent them to aprox. 11x22", and used coat hangers as support
and attachment to the buckets. I use 2 gal painters buckets from the hardware and remove the handles
and run my coat hangers through the handle holes. Then just adjust position and duct tape to the sides of
the bucket.