uvb bulb

[scottmax]

how offen should i change my uvb bulb i have had it for 6 months now
how can i tell it not givein out uvb

 

[jerseyrugby21]

year from first use

 

[Kansascity]

year from first use

thats what my bulb says as well, but have seen other members on this forum say every 6 mths.

 

[carol5208]

I went somewhere in between and change mine out at 9 months. I believe you can buy a UVB meter and measure the output.