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Old 01/02/2008, 03:32 PM
jnarowe jnarowe is offline
2011.5
 
Join Date: Feb 2005
Location: Poulsbo, WA
Posts: 9,742
One way to learn if in fact it is dinos, is to blow it off into the water column. If it's dinos, IME, you will find the rocks covered again the next day. Algaes cannot do that.
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