UVB needs vary hugely, a uromastyx wants far more than a crested gecko. Pick your species for the right strength, Ferguson zone and replacement interval.
An active desert basker that benefits from strong UVB under a high-temperature basking spot.
Mount at the tube maker's stated distance above the basking spot, and replace fluorescent UVB every ~12 months, output fades long before the tube stops lighting.
baskr tracks your bulb's age and reminds you when the UVB is due for replacement.
Track my ackie monitor freeMore free tools