entropic Well-Known Member Nov 7, 2007 #1 I'm trying to find an article I've seen before on how to relocate an internal ballast on an HPS light to external. If anyone has a link to it I would greatly appreciate it.
I'm trying to find an article I've seen before on how to relocate an internal ballast on an HPS light to external. If anyone has a link to it I would greatly appreciate it.
