10-14-2015, 06:29 PM
I found the following information on one of the bird-supply websites
Zoo Med Avian Sun 5.0 UVB Bulb
CRI = 88
26 Watt bulb
This bulb fits in the Zoo Med lamps and some similar lamps.
It screws in to regular fixtures, but is very long.
Position the bulb so that it is 12" above your bird when sitting on the highest perch. For birds that receive less sunlight in nature, the bulb can be positioned 18" above the bird when sitting on the highest perch.
DO NOT position the bulb where the bird will have to look into the bulb to look out of the cage, or on the side of the cage. The bulb should be above the bird at all times.