When I had the stuff growing out of control, I was generally able to pry it off using a screwdriver or other similar implement and once it started it would more or less come off in manageable sized chunks. 
		
	
		
		
		
		
			
				__________________ 
				 -- Tony 
 My next hobby will be flooding my basement while repeatedly banging my head against a brick wall and tearing up $100 bills.  Whee! 
 
			 
		
		
		
		
	
		
		
	
	
	 |