Metal Halide Bulbs..

[1ofManyNguyens]

Ok so this might be a dumb question but are all the bulbs the same size? (single ended)
Thanks.

 

[Clownfish518]

Not a dumb question. This may help

Facts of Light – Part 5: Everything You Need to Know About Metal Halide Lamps and Ballasts by Sanjay Joshi - Reefkeeping.com

 

[1ofManyNguyens]

Thanks. Ill check that out later. I have to head off to work now.