Lighting Question
I have a std 72 gal tank(4ft) 18in deep setup for SPS.( I currently run 2 175 watt MH and 2 40 watt 03 Actinics)
If I have 3 choices to light this tank...T5, VHO, MH
My question is how many bulbs do I need to run SPS?
My setup would be 2x 250 w MH and 4 T5s
Last edited by fencer; 05-13-2009 at 07:23 PM.
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