The Planted Tank Forum - View Single Post - mahko's Ohko Stone Journal
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post #128 of (permalink) Old 12-26-2012, 06:07 PM Thread Starter
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Join Date: Dec 2011
Location: Calgary
Posts: 174
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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