T5 for 72" tank
Thinking of upgrading to T5's
Can anyone suggest a setup for 72" tank.
how many bulbs? 2x3ft next to each other or 1x5ft per row etc
its mixed reef....a little of everything
Also I heared that you can get 220volt ballast which supposable help output even when plugged into 120v. can someone elaborate?
Thanks for your help
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