VHO - Light Spectrum?

stranflow

New Member
Hi there-
Relatively new to the hobby. But this seems to be a great spot to get my questions answered.
I've got some VHO bulbs for my 28Gallon. I just recently moved and hadn't had my tank running for several months. I don't know how many hours I've had in the bulbs.
Is there a way to test to make certain bulbs on in their correct spectrum? If they are not in the correct spectrum, will it promote more algae growth?
How long can you run the bulbs for. I have them on for about 16 hours/day.
2 50/50 Acitinic Whites.
1 UV
Thanks in advance!
 
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