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Old 01/09/2008, 02:15 PM   #5
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Join Date: Jul 2006
Location: Columbus, OH
Posts: 331
i am currently getting this film as well....i recently changed from 3-250 to 2-250, 1-400 and added 3-140watt VHO's...i think this has to do with lighting...does anyone know if water quality has a relationship to lighting? does more light=the need for better water? can't hurt to 3 days i changed about 125 gallons on a 250 system....i still get the film..

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