The Planted Tank Forum - View Single Post - mahko's Ohko Stone Journal
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Old 12-26-2012, 06:07 PM   #128
mahko
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It does. If I didn't do that the rocks would be a lot more algae covered than they already are. Actually when you look very close, you can see the bottom half that hasn't had any direct excel treatment and it's noticeable more covered.
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