Great thread! Thank you guys for building and answering so many questions. I appologize if you have already answered a similiar question. I am also in the process of setting up a frag tank 48"x24"x11 inches deep. I think I have the courage now, do to this thread, to start an LED build. So it's a frag tank and I want max growth and color but need to minimize cost. ( don't recomend PC's ha) If I only need good PAR down 11" how far apart could I place the LEDS and still get the coverage, color and PAR I need. Could you place the LED's 6" apart on a row? That way each row would only need 7 LED's. Then place the rows 6" apart. This would only require 3 rows to light my Frag tank. Row 1 and row 3 would have the first light 6" from the end, then every 6 inches. Row 2 the first bulb would start at 9" from the end then the next bulb 6" down and so on.... Wish I could draw this out... I would not use any optics to get maximum spread of light. Just thought maybe I could get by with a lot less LED's since I only need coverage down 11 inches. Does this sound reasonable, or are they way to far apart? Also thought I could dim row one for zoas, and turn up row 3 for SPS. Your thoughts and recommendations are appreciated.
