Originally Posted by shinn
I query your idea of BLB. You say thay are black light which is not as I understand. A BLACK LIGHT is usually designated by BL not BLB which is black light BLUE.
The BL bulbs emit enough UV light that requires relitively short exposures, whereas, BLB bulbs emit less UV. The BLB bulbs are also more expensive.
Do you have any other ideas? Thanks Stan. L-B.