UV filtering glass for HQI

[Delphinus]

+1 .. this isn't rocket science ... no need to make it harder than it has to be. If you really don't trust the glass then don't use DE lamps. Done and done.

Originally Posted by sphelps

Like I said "Low E" (low-emissivity) glass, it filters the most UV with it's special coating. It's not expensive and all glass shops will have it, if you don't want to spring for the tempering just go up to 5mm and you should be fine.

Otherwise use SE bulbs.