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- Mar 25, 2018
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Would 2 Red Sea LED 90w fixtures provide enough coverage for a standard 4ft 75g tank? Red Sea's website is showing good coverage over a 24"×24" area which would make 2 fixtures perfect. I am upgrading from 2 old PFO 250w DE metal halides. Red Sea's specs are also showing better PAR numbers, my 250w only put out mid 200s par in the middle of the tank and only 350 par at the surface directly under the bulbs. How is the spread on the 90w LED in the real world?

