Refugium Guru, can I use this light for 10g refugium???

Use any light that will accomidate a particular Algae.
Some do very well with NO lighting, still others require brighter or even intense lighting. It really depends on what you are growing.
 
Just to clarify...
"Some do very well with NO lighting"
That's Normal Output lighting...not no lighting, as in not having any lighting! ;)
 
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