The Planted Tank Forum - View Single Post - Is this GSA
Thread: Is this GSA
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post #3 of (permalink) Old 02-08-2013, 09:55 PM
Wannabe Guru
msawdey's Avatar
Join Date: Apr 2009
Location: Richmond, VA
Posts: 1,009
looks like GSA to me. maybe diatoms..... try reducing you photoperiod a bit if its above 6 or 7... how are your co2 levels?

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