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Elliott- no computer controller and I used to but no longer run UV or Ozone. Shallow sand bed in the main display with no remote deep sand. I have run systems that way but do not do this currently. I believe a top notch skimmer will provide filtration than a deep sand bed. To recreate the spawning area that a sand bed provides I have excess live rock in a remote refugium, lifted off the bottom on eggcrate so I can blow out any accumulated detritus.
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People who do things that count, never stop to count them.
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