A couple of questions for Delphiniums

[Bob I]

The heading should get your back up Tony. The questions are as follows, as you appear to be the resident MH specialist. I have been looking at bulb prices at J&L & others. What is a German bulb as opposed to domestic. Can I use one in my pendant? I will probably get some more use out of the current bulb, but should be looking at a new one. Actually the old bulb does not look bad, and the corals seem to look fine. I think I probably want a 10000K bulb. Where do I get the best deal??