Re: Complete guide to Overdriving Lights - Overdrive but , if you are using the inexpensive T12 48 inch GE plant and aquarium bulbs - cheap to replace - i built one of these units for myself - used 2 lights of america shoplights from walmart - worked out great for me - got some more light in my tank for just $20 in the fixture - its a fun project and it works - the LOA units are real slick to convert |