Switching VHO's to T5's, how many bulbs?

LuHockey2

Premium Member
I currently have 4 48" VHO(440 total watts) bulbs over my 4 x 2 120gal. Question I have is how many T5 bulbs do I need to keep the same amount of light?

Thanks, Brian
 
Not sure. Looking at a 4 bulb used unit and was wonderimg I would have to supplement with more bulbs or some LED Strips.
 
I ran 4 t5ho over a 4x2 tank. But they had the individual reflectors. Go with 6 if it's the only source of light.
 
if you are going to be running a parabolic reflector on each bulb you are going to get more light than the standard reflector would provide.
 
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