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high pressure sodium lights

I have been reading you folks for a few weeks, and I have learned from and 
enjoyed a great deal. Would any or all of you comment on the use of high 
pressure sodium lighting. I looked in the krib, but I found only one mixed 
comment- seemed to grow plants but over heated the fish room so the writer 
opted for a low watt flourescent setup. The ones I have been offered came 
from a horticultural operation and  360 watt lamps (new) with a corresponding 
4oo watt ballast.   Ernie D.