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Old March 12, 2008   #1
Barnowl
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Join Date: Jul 2007
Location: Vancouver Island, Canada
Posts: 76
Default Too hot under lights -- did I buy the wrong bulbs?

Hi folks, past time I introduced myself as I have read and learned from all of you since the end of last summer. I want to thank you for sharing your experiences and knowledge. I have previously only grown tomatoes from starts and this year I am growing from seed for the first time.

I planted 18 varieties on March 7 (5 days ago) and have kept the room temps btw 77-79 degrees as best I could. I planted in peat pellets placing 3 seeds of each variety into a pellet, using 2 pellets per variety. Some of the seeds germinated after 2 days and shot upward with great vigor. I suspect that it was too warm for too long as yesterday some were over 3” high while other seedlings were just emerging. Last night I placed them under lights and turned the room temp down to 69 degrees. I also plucked the seedlings that were over 3” high.

Yet the temp under the lights is currently 82 degrees and the bulbs I am using are warm to the touch (the ambient air in the room is around 69 degrees). I have read that seedlings should be grown under the lights at cooler temps – which seems impossible with my set up given my lights are the source of heat. I suspect the problem is in the lights I am using – one Phillips 40w natural sunshine bulb and one Phillips 40w plant & aquarium bulb in each of my two fixtures… Did I buy the wrong type of lights???

Jamie
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