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  1. General Reef Discussion
    My tank is 2'W 4'L 31"T. I got 5" sand bed and 14"H live rock. I got a 16"H canopy with 2 150 watts Metal Halide 20K HQI is this enough light to keep some corals the light are 8" above the tank water line any information will help. Thanks in advance. :help:
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