I knew that I had seen them somewhere and here they are. They are made by Helios and sold at Premium Aquatics.

Helios 105W - 71" Actinic COMBO HO T5 Light Bulb
Code:VIA-25699
Price: $27.95


Helios 105W - 71" Super Blue 03 HO T5 Light Bulb
Code:VIA-27235
Price: $27.95

Helios 105W - 71" 11k Daylight HO T5 Light Bulb
Code:VIA-25408
Price: $23.95

I knew I wasn't crazy...

Steve