I used eggcrate on my old cube and didn't find that it reduced the amount of light that got into the tank. I am open top now but only becuase I have a rimless tanks and nowhere to place the eggcrate on top.
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- Greg
90G : Light - Tek 6xT5 | Skim - EuroReef RS135 | Flow - 2xVortech MP40W | Control - Reef Keeper 2
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