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			I am new to this fiberglass repair thing. The gelcoat on my boat has a lot of areas where it is cracked. I started by sanding those areas with a wirebrush and as I grind the area small "puck marks" start appearing. I was wondering if I have to grind all of it down untill the puck marks disappear or can I gelcoat with those puck marks in there.  
		
		
		
		
		
		
		
		
			Thanks Last edited by drbarbara; 07-01-2008 at 03:36 PM. Reason: Photo to big  | 
		
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