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#11
02-11-2008, 06:23 PM
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hey michika,
when i used to get alot of cyano issues i would just dose carbon sources ( sugar, vinegar, vodka ) they all work after a day or two i usually see the cyano at close to none. and if continued to dose after that the GHA would start to turn white but that takes more time than the GHA, before taking the tank down i would give this a try maybe it'll be worth a shot 
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