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Old 01-12-2013, 02:45 PM   #1
bigbert22fishiz
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Default Lowering par?

My lighting for 75 gallon is too high, it's around 50 par or so. I want to have it a around low 40's or mid 30's. is there anyway that I can lower my par? Maybe putting a screen or some kind of paper over it?



Thanks.
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