With T5's you can't save money. They burn lots of electricity and once a year you have to replace bulbs.I say t-5 over a frag tank. save a ton of money.
My 48x24x16 DeepBlue 80 with 2 Kessils only got little more than 200 par at bottom of tank. I added the t5 hybrid for higher par.
Food for thought.
You selling those ocean revives ?It's a good deal but I already order Radians. T5s might be too much par for my 12"deep frag tank. I already have light mount screwed to the stand that about 11" above the water so I won't be able to mount T5s any higher. Im waiting on Nero 5's and radions to arrive before I put any frags in tank. Im still printing 3D legs for egg crates.
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You selling those ocean revives ?