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Re: Aquatic Plants Digest V3 #1039

Hi, usually the problem that causes brown algae is not enough light.  What 
are your light wattage (total) that you have in your tank?  I had one 15 watt 
bulb over a 55 gal. tank and I was swamped with brown algae.  Once I 
increased my wattage to 80 (and that's still low), within a month I was brown 
algae free.