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Old July 6, 2006   #80
timcunningham
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Join Date: Feb 2006
Location: Middle Georgia
Posts: 241
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Mantis,

I am not 100% sure that blocking the light will stop the algae. I don't use clear bottoms, and at the end of the year there is invariably some green sludge in the water reserviour. I don't think it hurts anything, just looks ugly.
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