Baby tank question - T5

[Aquattro]

Originally Posted by ckmullin

Thought t5's should be changed every 6 months. Might have dim bulbs.

Yes, they don't last a long time. I just don't want to replace them at a cost of ~$100 if it's still not going to be enough, then have to spend more on another light. Honestly, these bulbs could be 5 years old