[gardeners] Seed Starting Box

William McKay (gardeners@globalgarden.com)
Sun, 03 Jan 1999 19:43:15 PST

I want to build something to get bottom heat to start seedlings but am 
too frugal to purchase a heat pad.  I remember long ago reading about 
building a box heated with regular incandescant light bulbs, but could 
find nothing during a trip to the library today.  I think I have all the 
necessary parts hanging around:  pine, old porcelain light bulb sockets, 
rigid insulation, plexiglass, etc.  However, I dont remember the 
specifics.  I am thinking of making something large enough to hold two 
ten-twenty trays (@ 400 square inches).  

Has anyone built one of these?  If so, do you have any tips?  E.g., how 
many bulbs would one use and what size?  Is 7 1/2 inches deep enough 
(that is the widest pine I have, though I suppose I could glue up some 
if I had to).  

Bill McKay in E. Mass

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