I have 2-250 watt Ushio MH, upon inspection it looks like both of them are broken. It it a little black thing closer towards the bottom of the bulb, it has seperated. I have a brand new bulb to compare it to and it looks ok.

I have noticed a drop of light intensity(very little), The bulbs are only about 6 months old, 12 hours aday....


Any Ideas?? Would Ushio replace them?? Is there any type of warrant on MH bulbs?
Thanks
MAtt