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View Full Version : Making the switch from halide to led


indyroofer
08/02/2014, 05:41 AM
Setting up a 45 gallon cube with a full spectrum chinese led. Have a 48in long frag tank now with 250 halides with radium bulbs on m80 ballast.The frag tank lights run for 6 hours a day.Was wanting some input on the led how long to run... they are 12in away with no optics ..thanks