Sources fetched 13 November 2026. PawLine editorial team. Not professionally reviewed.
Care information, not veterinary or human medical advice. Contact a reptile-experienced veterinarian promptly for illness, injury, appetite or behaviour change, or concern. Seek a healthcare professional for human health concerns. Do not wait for this note or an app reply. No care change, treatment or safe waiting interval is supplied.
Different jobs can share a fixture
Washington State University lists light, heat and UVB as different needs. VCA explains UVB in relation to vitamin D3 and calcium use. Seeing a lamp glow does not establish what reaches an animal. This site does not verify a bulb, diagnose a deficiency or replace a review of the actual arrangement.
A box is not an exposure certificate
VCA discusses species-specific needs, barriers and declining lamp output. Those details are reasons to ask about the specific setup, not permission to move a lamp or copy a distance. We supply no installation diagram, target reading, timer, wattage, UV index or electrical procedure.
Maintenance examples are not one calendar
RSPCA UK points to manufacturer recommendations and output checks; VCA and WSU give their own replacement examples. Different contexts do not become a universal countdown. A purchase date or visible glow cannot certify useful output. Ask how the actual equipment and animal plan are meant to be reviewed.
No test to earn help
The temporary question needs no new meter reading, thermometer reading, handling or outdoor exposure. Do not change a fixture, remove a guard or try sunlight to complete it. Illness or injury needs prompt reptile-veterinary advice without waiting for a measurement or app response.
Sources and limits
RSPCA UK: Caring for your bearded dragon