robert 14617 Well-Known Member Jan 19, 2010 #1 here is an article on lighting worth wile read http://retirees.uwaterloo.ca/~jerry/orchids/light.html
here is an article on lighting worth wile read http://retirees.uwaterloo.ca/~jerry/orchids/light.html
robert 14617 Well-Known Member Jun 24, 2010 #6 Convert a common home security light into a remote ballast grow light this thread needs to be added